Structural elements and building materials (E04C)

E   Fixed constructions(158735)
E04   Building(24567)
E04C              Structural elements; building materials (for bridges e01d; specially designed for insulation or other protection e04b; elements used as building aids e04g; for mining e21; for tunnels e21d; structural elements with broader range of application than for building engineering f16, particularly f16s)(4335)

Wall panel with installed window block // 2642745
FIELD: construction.SUBSTANCE: wall panel with an installed window block comprises a base with a slab with an outer face and an inner face that are made larger in size compared to other slab faces, first two vertical ribs, two second vertical ribs, two larger horizontal ribs, two smaller horizontal ribs, a window opening, as well as a window block, an inner insulating layer, an outer insulating layer, first heat-insulating layers, a second heat-insulating layer, third heat-insulating layers, fourth heat-insulating layers, fifth heat-insulating layers, a protective layer, U-shaped elements with a crossbar, two first fastening elements, second fastening elements, an inner slope, an outer slope. The window opening is located between the smaller horizontal ribs and the second vertical ribs. The first heat-insulating layers are located between the larger horizontal ribs, the first vertical ribs, the second vertical ribs and the smaller horizontal ribs. Besides the window opening, flush with said ribs, from the side of said ribs and the first heat-insulating layers, opposite to the slab, a second heat-insulation layer adjacent thereto is located. The U-shaped elements are installed along the vertical ribs and attached to them by means of the second fastening elements. Each third heat-insulating layer is located between the U-shaped element and the part of the second heat-insulating layer, corresponding to it. The crossbar is located on the side of the third heat-insulating layer opposite to the slab, the second fastening elements being attached to the crossbar and passing through the corresponding third heat-insulating layer. The window block is fastened with a gap in the window opening by means of the first fastening elements with filling the gaps with the fifth heat-insulating layer closed from the inner face by the inner insulating layer, and from the opposite side - by the outer insulating layer. A fourth heat-insulating layer adjacent to the outer insulation layer and separated by it from the second heat-insulating layer is located between the window block and the third heat-insulating layer. The outer slope is connected to the window block and the nearest U-shaped element. The protective layer is arranged on the side of the U-shaped element, opposite to the slab, and is attached thereto with providing the protection of the second heat-insulating layer from destructive environment factors. The inner slope is located on the inner insulating layer with an overlap.EFFECT: increasing the thermal insulation level of the wall panel with the installed window block.2 dwg
Gypsum composites used in fire-resistant building elements // 2641872
FIELD: fire safety.SUBSTANCE: composite product contains gypsum in the amount of 60-90 wt %, fibre in the amount of 1.5-26 wt %, essentially, uniformly distributed in the composite, and rheology modifier in the amount of 0.5-6 wt %. The composite is cured or allowed to solidify to form a cured composite. The cured composite is a fire-resistant element used in a fire-resistant core of a door, a fire-resistant door or a fire-resistant structural panel. The fire-resistant element may be a structural panel, a door panel, a door core, a door rail, a door stile, a door lock, a door frame or a door insert.EFFECT: increased fire resistance.52 cl, 30 dwg

Curved closed profile // 2641333
FIELD: construction.SUBSTANCE: in the curved closed profile of rectangular section with a hinge in the middle of one of the long sides, where each part of an aligned edge is continued in the form of I-shaped rib, the size of short edges is half the size of the I-shaped ribs and three times smaller than the long edges.EFFECT: same stability of the curved closed profiles from the plane and in the plane of the supporting structure, reduction of additional costs.2 cl, 21 dwg
Light steel structure // 2641153
FIELD: construction.SUBSTANCE: light steel structure comprises at least two first positioning elements, respectively located at the two ends of the two opposing C-shaped steel plates in the longitudinal direction of the C-shaped steel plates to form a beam in a rectangular tubular moulde. Wherein the first positioning elements form respectively combined points on the two end surfaces of the beam. Several beams are connected to one another by means of the combined points and form the transverse beams and columns of the building. Also, at least two second positioning elements, respectively, are located at the two ends of the C-shaped steel plate in the longitudinal direction of the C-shaped steel plate to form a rafter. Wherein the second positioning elements form assembly points on the two end surfaces of the rafter, respectively. Several rafters are located between the adjacent beams through the assembly points and are made in the form of a floor surface, a wall surface, and a roof of a building.EFFECT: increasing the bearing capacity of the structure.7 cl, 8 dwg

Long-dimensional pipe concrete element // 2641142
FIELD: construction.SUBSTANCE: long-dimensional pipe concrete element containing a concrete core and reinforcement in the form of a closed outer shell having radial holes is proposed. According to the invention, of new is that the shell is designed as a steel pipe across the length of the element and is equipped with an external protective coating being capable of preventing the concrete mixture from escaping from the shell holes during the core concreting without using a removable formwork. In addition, the holes may be of different shapes and with different arrangements with respect to the longitudinal axis of the element for perceiving the effective loads and efficient joint operation of the concrete core and the steel shell.EFFECT: increased efficiency of the construction of the long-dimensional pipe concrete element and the technology of its erection, improved performance and expanded field of use.18 cl, 24 dwg

Long-dimensional steel concrete element // 2641141
FIELD: construction.SUBSTANCE: long-length steel concrete element is proposed, including a concrete element with a strengthening body encompassing it from rolling profiles interconnected by transverse elements. New is that the strengthening body is connected to a concrete element for joint work with the help of transverse elements located in the concrete body connecting diagonally located corner sections.EFFECT: increased bearing capacity, reduction of labour intensity of manufacturing and reduction of overall dimensions.6 cl, 10 dwg
Three-layer resource-saving reinforced concrete panel // 2640838
FIELD: construction.SUBSTANCE: three-layer resource-saving reinforced concrete panel includes a thermal insulation layer, outer and inner reinforced concrete layers connected to each other by rigid links made in the form of reinforced concrete dowels passing through the heat-insulating layer and reinforced concrete ribs arranged on the panel perimeter. It is additionally equipped with at least two reinforced concrete dowels arranged on opposite panel sides, and the reinforced concrete ribs in the cross section parallel to the panel layers have an area determined by the ratio of the panel area, the thickness of its middle layer, the thermal conductivity coefficients of the rib materials, the layers of the panel, the reinforcement and the heat insulation material, as well as the required heat transfer resistance. The thermal conductivity coefficient of the material of the reinforced concrete dowels passing through the heat-insulating layer is 2.5-3 times higher than the thermal conductivity coefficient of the material of the reinforced concrete dowels arranged on the opposite panel ends. The heat-insulating layer is made of a fine-fibrous material and is arranged in the form of twisted bundles longitudinally extended along the panel length. Wherein curvilinear grooves arranged in pairs, in the form of sine waves longitudinally stretched from one end to the opposite one, are made on the outer side of the reinforced concrete dowels passing through the heat-insulating layer, in the number of at least two. The areas of greatest convergence of the curvilinear grooves arranged in pairs form nodes causing the formation of transverse standing waves.EFFECT: maintaining normalized parameters of reliable operation of an energy-saving three-layer reinforced concrete panel under changing climatic and vibration impacts, due to reducing the concentration moving of longitudinal thermal stresses and seismic waves by means of making curvilinear grooves, at least two, in the form of longitudinally elongated sine waves on the outer surface of the reinforced concrete dowels passing through the insulating layer, forming nodes in the areas of greatest convergence between each other, which contribute to the formation of transverse standing waves leading to partial displacement of the vibration effect, as well as to the partial movement of thermal stresses in the panels.3 dwg

ulti-layered restoration construction element // 2640834
FIELD: construction.SUBSTANCE: invention relates to a multi-layered restoration construction element having a central part of a heat-insulating material and surface panels covering it on both sides, the surface panels having a tongue at one longitudinal edge and a groove at the opposite edge. The multi-layered restoration construction element (2) has a central part (2c) of a heat-insulating material and surface panels (2a, 2b) covering it from both sides. The surface panels have a tongue (5) on one longitudinal edge and a groove (4) on the opposite longitudinal edge. Wherein at least one opening (7) covered with a water-permeable membrane material (6) is formed in the inner surface panel of the restoration construction element. In the heat-insulating material of the central part (2c) of the restoration construction element (2), at least one ventilation duct (9) is formed, which opens directly or through a separate connecting channel into the outer air space. The heat-insulating material allows moisture to be transferred between said at least one opening (7) and the ventilation duct (9).EFFECT: creating a reliable restoration element for the restoration of old buildings, especially the facades of office buildings, this element providing good heat insulation and fit tightness and simultaneously ensuring good ventilation.9 cl, 3 dwg

Lightweight construction slab and method of its manufacturing // 2640624
FIELD: construction.SUBSTANCE: invention relates to a lightweight construction slab, in compliance with the restrictive part of paragraph 1 of the claim, to the use of lightweight construction slab to create the building shell, in compliance with the restrictive part of paragraph 10 of the claim; and to the method of manufacturing the lightweight construction slab, in compliance with the restrictive part of paragraph 11 of the claim. A lightweight construction slab (100) with a rectangular base shape and flatly interconnected layers (01, 02, 03, 04 …), each of which is formed by a plurality (20) of boards (2). The boards (2) of each layer (01, 02, 03, 04, …) on their lateral surfaces are connected with one another on the sides and on at least one principal surface (205, 205') have a plurality of grooves parallel to one another. The boards of the first and the second layer (01, 02) are oriented at a first acute angle (+α, -α) from 25 to 60° with respect to the longitudinal side surfaces (200, 200') of the lightweight construction slab (100). The boards (2) of the first layer (01) are oriented with respect to the boards (2) of the second layer (02) at an angle (2α). The lightweight construction slab (100) on at least two longitudinal lateral surfaces (101, 101') parallel to each other has at least one connecting tongue (102) and a connecting ridge (102') interacting with it with the form closure, for connecting with the form closure on both sides with lightweight construction slabs (100) made in the same manner. Wherein the boards of at least one layer are connected at the sides to one another with the form closure through the tongue (202) and the ridge (202), and the boards (2) of at least one layer (01, 02) located in the middle stratum (Ml) on both sides (205, 205') or, respectively, on both main surfaces (205, 205') are equipped with a first and a second plurality of grooves (3, 3') crossing one another at angles (γ) from 5 to 100°, the grooves of each plurality passing parallel to one another. The application of a lightweight construction slab and the method for manufacturing a lightweight construction slab are also described.EFFECT: finding a simple solution, by means of which it is possible to make lightweight construction slabs having no tensions, if possible, with a sufficiently high elasticity and a high residual strength at strong bending; the possibility for applying the lightweight construction slabs in buildings in places subject to earthquake hazards should be ensured.13 cl, 19 dwg
ethod of wall assembly construction // 2640527
FIELD: construction.SUBSTANCE: method of wall assembly construction consists in stacking building blocks (1) in rows one on the other with a sequential displacement of each successive row by an amount necessary for the coaxial arrangement of the holes (2) of the previous and subsequent rows, with further placement in the holes (2) of the fastening elements (3). The building blocks (1) have the form of a parallelepiped with at least two through holes (2) located symmetrically from the edges of the building block (1). The length of the fastening elements (3) is more than the height of the building block (1). The fastening elements (3) are installed in the holes (2) through one and securely fixed. In each successive row of building blocks (1), the fastening elements (3) are installed in the holes (2) free from the fastening elements (3) of the previous row, forming a staggered arrangement of the fastening elements (3) in the wall assembly.EFFECT: acceleration of structure construction with increased reliability.5 cl, 7 dwg

Cone-shaped locking coupling for butting up reinforcing rods and tool for its installation // 2640327
FIELD: construction.SUBSTANCE: cone-shaped locking couplings for butting up reinforcing rods comprise a clamp set - it is a single piece in the form of a shuttle, equipped with a serrated groove for locking from the inside, and cone-shaped sleeves or couplings are arranged in pairs, and their inner space is conical in shape, and the pair of couplings is symmetrically mounted around a flat clamp. The mounting tool for locking the reinforcing rods into the cone-shaped coupling comprises press heads and an engine, either rigidly connected or movable and matched to the pressing heads, and the pressing heads are combined into a pair where one end is left open and the diameter of this opening must be more than the shank of the cone-shaped coupling. Locking the clamp at the reinforcement rods by snapping and fixing between the couplings and the clamp are carried out according to the principle of inclined self-gripping surfaces.EFFECT: simplicity of construction, ease of handling, reliability of connection, convenience and efficiency during installation, safety when lifting, increasing the process productivity, the connection is reliable and durable, without play.8 cl, 8 dwg

Set of wall elements for laying hollow wall // 2640325
FIELD: construction.SUBSTANCE: in a set comprising a longitudinal and a longitudinal-transverse wall element, a transverse outer wall element and a transverse inner wall element, a corner outer wall element and a corner inner wall element, horizontal contact surfaces of the wall elements included in the set are equipped with a means for fixing their position from displacement in a direction perpendicular to the wall length, the length of each wall element included in the set of the wall elements for the laying of hollow walls is determined by the amount of the sum consisting of a combination in the given order of two values: the width of the wall elements included in the set of the wall elements for the laying of hollow walls, and the magnitude of the thermal gap located in the masonry of a hollow wall between the butt of the projection formed by each transverse wall element built into its thin wall of the hollow wall and the other thin wall opposite thereto. In addition, the horizontal contact surfaces of the wall elements included in the set are additionally equipped with a means for fixing the position of one wall element relative to the other, with the possibility of stepwise changing the position of each listed wall element along the other one and to exclude the formation of cracks in seams between the wall elements while laying thin walls.EFFECT: improving the quality of laying a hollow wall, increasing the ease of use of wall elements and simplifying the installation of a hollow wall.2 cl, 3 dwg
Anchor for composite reinforcing element // 2639337
FIELD: construction.SUBSTANCE: in anchor for a composite reinforcing element comprising a crimping sleeve with an opening in the form of an inverted cone, a collet of a glass-filled material is installed inside the opening, the end part of the reinforcing element is arranged inside the collet, the cone of the crimp sleeve opening and the outer collet surface is formed with a generatrix in the form of a rotation tangentoid for the reinforcing element made in the form of a twisted stranded rope, and the number of lobes of said collet is equal to the number of the rope strands in the upper lay, the inner collet surface being made with a shape corresponding to the outer rope surface. The implementation versions of the collet are proposed.EFFECT: effective tension of composite rods due to uniform anchoring and the same force of its crimping along the entire length, increasing the device reliability, its load capacity.7 cl, 3 dwg
ethod of manufacturing products based on binder with thermal insulating layer from mineral wool thermal insulation for construction of buildings and structures // 2639218
FIELD: construction.SUBSTANCE: method of manufacturing long products is characterized by the fact that a thermal insulating layer represented by mineral wool insulation is laid in a mould, so that fibres of mineral wool insulation are directed mainly perpendicular to the carrier layer made on the basis of a binder. The reinforcing cage of the carrier layer is laid. After that, the carrier layer is laid or poured. Wherein the possibility for the mineral wool insulation fibres to at least partially penetrate into at least a carrier layer part larger by area is provided.EFFECT: improving the reliability of fastening a thermal insulating layer to concrete layers due to the interaction of the mineral wool thermal insulation fibres with the concrete layers, that allows to considerably increase the strength, reliability and durability of products, to increase the service life of buildings and structures, and simplifying the manufacturing technology of the products.28 cl

ethod of determining fire safety characteristics of elements and materials of complex facing of steel beam with corrugated wall // 2639209
FIELD: construction.SUBSTANCE: method for determining the fire safety characteristics of elements and materials of the complex facing of a steel beam with a corrugated wall includes determining the type of rolled steel, the steel grade and the geometrical characteristics of the welded I-beam of the steel beam; identification of the number of sides of the cross-section of the steel beam exposed to heat under fire conditions; finding the reduced metal thickness of the welded I-beam elements and the intensity of force stresses in the metal; establishing the indices of thermal diffusion of the insulation coating of facing materials; determining the required fire protection degree of the welded I-beam elements; finding the required fire resistance of the steel beams of the building. First, the element of the welded I-beam, weakest in the static and thermal sense, is revealed: the corrugated wall, the lower and the upper flanges; a reference point in the section of the welded I-beam element is found, the type of the reference material and the materials corresponding to it that make up the complex facing are determined; the index of the heating conditions of the reference point is determined, the dimensions of the bent profile for the welded I-beam shelves in the form of a channel and the angle for the steel beam are chosen, then the reduced thickness of the metal of the welded I-beam element is calculated with the gain. Determining the required fire protection degree for the elements of the welded I-beam of the steel beam with the corrugated wall, the optimal geometric and fire safety characteristics of the elements and materials for the complex fire protection of the welded I-beam of the steel beam are found.EFFECT: invention allows to increase the accuracy of the choice of the geometric dimensions of the elements of the welded I-beam of the steel beam with a corrugated wall and the materials of its complex facing, optimal for fire resistance and sufficient for fire safety, to reduce the consumption of steel and large-sized sheet and plate materials of the facing, to increase the resource-saving in the process of carrying out the fire protection facing of a welded I-beam of a steel beam with a corrugated wall.7 cl, 5 dwg, 1 tbl

ethod of heating unit of columning rigels to column in assembly-monolithic frame of building // 2638677
FIELD: construction.SUBSTANCE: method of heating the junction of the crossbar to the column in a prefabricated monolithic frame includes the heating of the concrete mixture of a monolithic site with the shelter of the heated parts with a heater. The heating of concrete monolithic parts site is carried out by means of heat transfer from the national portions of the columns heated valves coils that are placed close to the plane of the columns. Inductors are placed below and above from the monolithic section.EFFECT: improving the uniformity of concrete mixture warming-monolithic plot site, thus reducing the formation of cracks, lack of elements in construction site adjacent to the column bolts, not participating in the design, reducing the cost performance.2 dwg

ultilayer construction block and method of its manufacture // 2638197
FIELD: construction.SUBSTANCE: invention relates to the manufacture of construction materials, namely the manufacture of heat-efficient multilayer blocks (heat blocks) intended for erecting external fencing structures of residential, public, heated industrial and agricultural buildings. A multilayer construction block consists of an outer layer, an inner layer, and a heat-insulating layer arranged therebetween, fastened together by basalt plastic reinforcing bars, the heat-insulating layer being made of polyurethane foam. The outer layer consists of a texture layer and a carrier layer. The thermal insulation layer is made of rigid foam polyurethane and additionally has surface perforation on both sides. The basalt plastic reinforcement is made with sandy covering and is inserted at different angles in an amount of 4-6 pieces at a distance of 30 mm from the block edge and evenly distributed along the block plane. A method for manufacturing such a block is also described.EFFECT: high operation indices, such as heat and sound insulation, strength, durability; is environmentally friendly and safe.6 cl, 2 dwg

ethod of manufacturing reinforcing cage for reinforced concrete beams // 2638193
FIELD: construction.SUBSTANCE: in method for manufacturing a cage for reinforced concrete beams with a rectangular contour by means of making horizontal and vertical flat cages of mutually perpendicular rigidly fixed longitudinal and transverse reinforcement rods, the feature is that the reinforcing cage is made with the possibility of perceiving an increased load with multispan reinforced concrete beams, wherein the vertical flat cages are made from integral reinforcement zigzag-shaped rods along the entire length of the span with a certain pitch and the inclination of the reinforcement branches formed as a result of winding the reinforcement rods on the projecting ends of the transverse reinforcement rods of the upper and lower horizontal flat cages.EFFECT: increasing the strength, the crack resistance and the durability of multispan reinforced concrete beams, increasing the strength of inclined sections in the areas near the supports of multispan beams, reducing labour intensity, energy intensity and material consumption while manufacturing reinforcing cages for multispan reinforced concrete beams.7 cl, 6 dwg

achine and method of manufacturing construction panel // 2637677
FIELD: construction.SUBSTANCE: machine for finishing construction panels comprises a conveyor line designed to receive incoming housing elements of construction panels and to transport the housing elements in the working direction (F) along the group of treatment stations (A, B, C, D) in the machine. Moreover, construction products are essentially made in the form of rectangular parallelepipeds having: a base, main, side and an opposite additional main side, each of which has a relatively large contoured area; and four edge sides having a relatively small contoured area. Wherein the first treatment station (A) from said treatmentstations comprises treatment means acting in the width direction, designed for introducing, by means of gluing, a first edge strip along the first edge side, from the four edge sides, so that the first edge strip is located parallel to the base, main, side. The second treatment station (B) from said treatment stations, comprises treatment means acting in the vertical direction, designed for introducing, by means of gluing, a basic surface layer covering the entire base, main, side and the base side of the first edge strip. Thereinafter, vertical pressure is applied to the housing element and the first edge strip in the direction transverse to the working direction (F), when the housing element and the first edge strip are passed through the second treatment station, so that the basic side of the first edge strip is aligned with base, main, side of the housing element when they are passed through the second treatment station (B).EFFECT: improving the panel finishing efficiency.19 cl, 6 dwg

Reinforcing cage for multispan reinforced concrete beams // 2637668
FIELD: construction.SUBSTANCE: in a cage for reinforced concrete beams with a rectangular contour containing faces from flat frameworks made of mutually perpendicular rigidly fixed longitudinal and transverse reinforcement rods, the feature is that it is made with the possibility of perceiving an increased load with multispan reinforced concrete beams, while the flat cages of the lateral faces have a zigzag transverse reinforcement integral along the entire structure span, with a certain pitch and inclination of the branches formed as a result of winding reinforcing rods on the projecting ends of the transverse reinforcement rods of the upper and lower flat cages.EFFECT: increasing the strength, the crack resistance and the durability of multispan reinforced concrete beams, increasing the strength of inclined sections in the areas near the supports of multispan beams, reducing labour intensity, energy intensity and material consumption while manufacturing reinforcing cages for multispan reinforced concrete beams.8 cl, 6 dwg

Device for prevention of stab-lacerated wounds, installed above and around open ends of set of spatially distributed reinforcement bars // 2637263
FIELD: human life necessities satisfaction.SUBSTANCE: device for stab-lacerated wounds prevention, which can be installed on a set of spatially distributed reinforcement bars, is proposed. The device includes an elongated upper part with a shape allowing the upper part to be extended around the open ends of the reinforcement bars when the device is installed. The open end, spaced apart from the top of the device, is larger than the top of the device. The device includes a pair of elongated and spatially distributed side portions adjacent to and extending upwardly from the top. The device includes a pair of spatially distributed end portions, each of which is adjacent to the side portions and is extended between the side portions. The upper part, the side parts and the end parts form a protective casing that can be mounted around the open ends of reinforcement bars.EFFECT: increased security.15 cl, 18 dwg

Production line for manufacturing composite reinforcement // 2637226
FIELD: machine engineering.SUBSTANCE: production lines for continuous manufacturing of reinforcement elements made of polymeric composite materials for reinforcement of conventional and prestressed building structures. The production line for the manufacture of composite reinforcements includes successively mounted creel, a levelling device in the form of a comb, an annealing chamber, an impregnating bath with a tensioning device, a squeezing device, a matrix unit with a longitudinal channel, a polymerisation chamber, a pulling device and units for cutting and coiling. The line is equipped with a calibrating bushing, which is made with the possibility of forced rotation in direction opposite to direction of winding head rotation and installed coaxially to the winding head so that t<Dinput, Dinput=N1/2×Din, where t is axial distance between the winding plane of the winding rope and the outlet end of the calibrating bushing; Dinput - calibrating diameter of the bushing; N is the number of longitudinal channels of the matrix; Din - is calibrating diameter of longitudinal channels of matrix.EFFECT: improvement of composite reinforcement quality due to reduction of air inclusions.3 dwg
Hollow-core floor slab // 2637006
FIELD: construction.SUBSTANCE: hollow-core floor slab contains the lower and upper reinforced belt, voids, monolithic areas and embedded items. Monolithic areas are made in all voids of the end sections of the slab. The embedded items are installed in at least two voids. The embedded items are made in the form of a corner with anchor elements welded to the inner side of the angle, which is turned by its open part with anchor elements to the body of the slab. The angle has two horizontal anchor elements which are connected at the free ends by a plate, and one vertical anchor element extending between the horizontal anchor elements and terminating in a plate. All anchor elements are recessed in monolithic areas of the voids of the slab. The angle is installed in such a way that the upper leg of the angle is buried in the upper part of the slab, and the end leg is buried in the end part of the slab.EFFECT: increase in the strength of butt joints.4 dwg

ethod for applying coating on construction panel by method of digital printing or digital coating // 2636516
FIELD: construction.SUBSTANCE: in method for applying a coating on a construction panel (1) having a decorative wooden surface (5), a UV-curable coating layer is applied by a digital printing head (30) to the decorative wooden surface (5) of the construction panel (1) by means of applying the UV-curable coating drops with the digital printing head (30). The drops are arranged so that they overlap each other. The UV-curable coating layer is then cured by UV radiation (23), thereby forming a transparent protective surface layer (L1, L2, L3). The decorative surface (5) is visible through said transparent protective surface layer (L1, L2, L3). The floor panel (1) has a core (3), a surface layer (2) comprising a surface (5) of a wood material, a print (P), and transparent layers (L1, L2, L3). The lower transparent layer (L1) is under the print (P). The upper transparent layer (L3) is above the print (P). The lower transparent layer (L1) is a UV-curable polyurethane. A part of the wood material surface (5) and the print (P) form a part of the visible surface layer (2), and the print is at least partially synchronized with the visible design and/or the structure of an individual floor panel. In the method for forming the decor on the construction panel (1), by means of a digital control system (39) of technical vision, providing the digital input to the digital printing head (30), a digital image of the surface (2) of the construction panel (1) is created by means of the digital control system (39) of technical vision. In addition, the digital control system of technical vision is used to provide the digital input to the digital printing head (30) based on said digital image. Thereafter, digital printing is performed on at least a part of said surface (2) of the construction panel (1) by means of the digital printing head and by means of a print. The print is at least partially adapted to the digital image of said surface (2) of the construction panel (1).EFFECT: improving the surface quality and improving the design of wooden building panels.21 cl, 11 dwg

Wall element // 2636065
FIELD: construction.SUBSTANCE: invention relates to a wall element, in particular for facing facades of buildings, made of a sandwich-like composite material consisting of metal covering sheets and at least one core layer between them. The wall element (1, 1'), in particular for facing facades of buildings, is made of a sandwich-like composite material consisting of metal covering sheets (2.1, 2.2) and at least one core layer (2.3) between them. Wherein the core layer (2.3) is made of a fiber-containing, temperature-resistant, at least to 600°C, sealing material, the thickness of the core layer (2.3) being up to 2 mm. The thickness of the core layer (2.3) is at least 1.5 times the thickness of one of the covering sheets (2.1, 2.2) or the thinnest of them.EFFECT: creating a wall element of the kind described above, which would be harmless to health, relatively lightweight, stable, durable and relatively inexpensive to produce.11 cl, 1 dwg

Spiral winding device for production line for producing composite reinforcement // 2636061
FIELD: construction.SUBSTANCE: in a spiral winding device for a production line for producing composite reinforcement, including a creel with roving spools, a levelling device, an annealing chamber, an impregnating bath with a tensioner, a squeezing device, a forming unit, a spiral winding device of two units arranged one behind the other, successively mounted, each of which includes a winding tow coil with a yarn guide, polymerization chambers, a pulling device, a cutting unit and a winding unit, each spiral winding unit is made in the form of a pipe of circular cross-section for advancing the tow and of a length not less than one and a half lengths of the winding tow coil installed in bearings, the pipe on the one side is connected to an electric motor drive through a chain transmission, and at the opposite end of the pipe, there is a yarn guide with an eyelet at a distance C from the pipe axis, where Rmax≤C≤Rmax+50, where Rmax is the maximum packing radius of the winding tow, and the winding tow coil is fixed coaxially with the main pipe on bearings mounted on the outer pipe surface with the possibility of free rotation, and is rigidly connected to a half-coupling with the ability to be connected to the other half-coupling located on the main pipe, the main pipes of the winding units being located at a distance C≤H≤C+20 mm from each other.EFFECT: increasing the composite reinforcement length due to increasing the volume of packages with a winding tow on two coils and the continuity of winding the winding tow while improving the quality of the composite reinforcement by reducing the coil rise angle of the winding tow while reducing the noise and vibration of the winding mechanism of the production line and reducing the number of line stops, which leads to increased productivity.1 dwg,1 tbl
ethod of manufacturing products based on binder with thermal insulating layer from mineral wool thermal insulation for construction of buildings and structures // 2635666
FIELD: construction.SUBSTANCE: invention relates to a method of manufacturing concrete products with a thermal insulating layer for the construction of buildings and structures, in particular flooring panels. A layer of thermal insulation, which is mineral wool insulation, is placed in a mould in such a way that the fibers of the mineral wool insulation are directed predominantly perpendicular to the carrier layer made on the base of a binder. The reinforcing framework of the carrier layer is laid in such a way that a clearance is formed between the thermal insulation layer and the reinforcing framework of the carrier layer. After that, the carrier layer is laid or filled. Wherein it is possible for the mineral wool insulation fibers to at least partially penetrate into at least a larger by area part of the carrier layer.EFFECT: increasing the strength, reliability and durability of products, increasing the service life of buildings and structures and simplifying the production technology of such products.28 cl

Expansion for reinforcement layer, reinforcing device for concrete element, as well as method of manufacturing reinforcing device // 2634674
FIELD: construction.SUBSTANCE: by means of the described spacers, it is possible to distance from other bodies first of all reinforcement layers in the form of a grid quite simply. The spacers are mounted due to the fact that they are inserted into a reinforcement layer cell and are connected thereto by means of rotation.EFFECT: increasing the reliability.13 cl, 21 dwg

ethod of manufacturing monolithic reinforced concrete beam flooring slabs with round voids, with use of non-extractable cardboard-polyethylene core drivers // 2634156
FIELD: construction.SUBSTANCE: manufacturing method of monolithic reinforced concrete beam flooring slabs with round voids, with the use of non-extractable cardboard-polyethylene core drivers, includes arranging a formwork, reinforcing, installing non-extractable core drivers and laying concrete. Wherein the core drivers are made of round cardboard pipes covered with a waterproof polyethylene film with the thickness of 0.045 mm. Wherein the pipe butts are closed with cardboard-polyethylene lids.EFFECT: weight reduction of monolithic reinforced concrete slabs.1 tbl, 2 dwg

Construction block // 2634136
FIELD: construction.SUBSTANCE: invention can be used for manufacturing or warming walls of buildings. A construction block of polystyrene concrete comprises inside hollow channels arranged perpendicular to the block base, and a front panel of strong concrete. The channels have a circular cross-section and are formed by tubes of a light and strong thermal insulation material. Bottles from polyethylene terephthalate (PET) or a similar material are used as tubes, and the faceplate is attached to the block by means of the PET bottle tops embedded into it and into the block body, the necks of these bottles being embedded in the front panel, and the remaining part - in the block body.EFFECT: increase of thermal resistance.4 dwg

ethod to produce multilayer article of polymer composite material // 2634016
FIELD: technological processes.SUBSTANCE: method comprises forming a middle layer block of consecutively stacked long bars, each of which side faces have an outer shell of reinforced material; laying the block in a setup on a lower bearing layer based on a mat formed from consecutively stacked layers of a resin mesh, release fabric and at least one layer of reinforcing material; consecutive laying on the block of the upper bearing layer based on the mat; forming a vacuum bag; feeding a vacuum and polymer binder. The middle layer in the matrix setup is formed with a cross-section profile that consists of L-shaped blocks positioned oppositely to longitudinal-vertical plane of symmetry and placed between horizontal-oriented block sections in the direction of said plane of symmetry of wedge-like stop block to fix the L-shaped blocks therebetween and pressing thereof to the lower bearing layer of the mat placed in the matrix setup.EFFECT: invention enables production of a large bridge bay of high strength and stiffness while optimising material intensity costs.9 cl, 4 dwg

Connection joint of fiberglass profiles in lattice structure // 2633927
FIELD: construction.SUBSTANCE: in known connection joint of fiberglass profiles in lattice structures, including a gird and bars of the lattice, overlapped together by a fiberglass sheet gusset plate on bolts, the sheet fiberglass gusset plate manufactured by the pultrusion method is made of several layers with different orientations of the pultrusion direction. To increase the load-bearing capacity for crushing, the pultrusion direction of the outer layers of the sheet gusset plate is oriented along the gird axis, and that of the middle layers made of two parts connected by a height with a serrated profile - along the axis of each adjacent lattice bar. In a number of cases, it is advisable to orient the pultrusion direction of the outer layers of the sheet gusset plates along the axis of a lattice bar with the greatest stress, and that of the middle layers - along the axis of a lattice bar with the least stress. In the above cases, the outer and the middle layers of the sheet gusset plate are made of various thicknesses, and the girds and the bars of the lattice are made of paired profiles, for example, channels.EFFECT: reducing the material consumption for sheet fiberglass gusset plates manufactured by the pultrusion method.4 cl, 5 dwg

Construction element for manufacturing lattice structures // 2633851
FIELD: construction.SUBSTANCE: construction element is made of a steel sheet billet by means of bending it along the length to form the polygonal section. Both edges are bent to the outside, and between them a reinforcing sheet strip is installed for the entire length, and they are joined together along the length by bolts inserted into coaxial openings. On the joint edges and the sheet strip, coaxial openings are provided for fixing the lattice bars. The manufactured construction elements are the lattice structure belts joined by the lattice bars by fixing them with bolts inserted into the coaxial additional openings.EFFECT: ensuring and simplifying the fixing of the lattice bars and increasing the bearing capacity, including in the collapsible version.1 cl
External wall panel and method of its application // 2633836
FIELD: construction.SUBSTANCE: external wall panel includes an external concrete layer and an internal concrete layer and a thermal insulation layer, which are interconnected by ties. The ties are made in the form of rigid brackets of a polymeric material, one end of which is mountingly attached to the reinforcement of the internal layer and fixed in the same layer with concrete, and the second end is attached to the reinforcement of the external layer and fixed with concrete in the same layer. A method of the external wall panel application is also described.EFFECT: increasing heat-protective properties, with periodically turning on a vacuum pump and reducing operating costs.4 cl, 3 dwg

Wooden beam // 2633721
FIELD: construction.SUBSTANCE: invention relates to curved wooden beam-type structures, mainly of glued wood, and can be used for new construction, as well as for strengthening in coatings and floorings of industrial and civil buildings and structures. The wooden beam is made in the form of a pack of glued boards, to the lateral surfaces of which, by means of C-shaped toothed strips, paired frameworks are attached, comprising in their composition longitudinal upper rods, longitudinal lower rods, and inclined rods. The C-shaped toothed strips have teeth in the area of their attachment to the side surfaces of the pack of glued boards and openings on their horizontal faces for attaching by means of nails to the pack of glued boards. The width of the C-shaped toothed strips increases from the middle of the wooden beam to its supports, and their pitch reduces from the supports of the wooden beam to its middle.EFFECT: increasing the load-carrying capacity and reducing the labour manufacturing intensity and the material consumption of a wooden beam.3 dwg

Long-length steel concrete element // 2633624
FIELD: construction.SUBSTANCE: element is proposed, including a concrete element (1) covered by a reinforcing ring from rolled sections (2), with openings (5) in flanges, arranged in rows with the same pitch and connecting cross elements, the ring being connected to the concrete element for the joint operation by means of concrete keys (6) located in the openings (5) of the rolled sections. According to the invention, the long-length steel concrete element is made with the possibility to increase the length, changing the shape by length and the position in space, wherein the concrete element and the reinforcing ring elements are connected monolithically, and the openings in the rolled sections are made with the possibility to be filled with concrete, forming simultaneously the concrete element (1) and the keys (6). As rolled sections (2), either corner sections or channels are used, and either reinforcing rods or plates are used as connecting cross elements.EFFECT: expanding the area of using the steel concrete element as long-length bearing and non-bearing elements, reducing the labour consumption of manufacture due to the possibility of monolithically forming the long-length steel concrete element.22 cl, 9 dwg

Bracing lattice of rod structures with additional y-shaped or ψ-shaped braces // 2633024
FIELD: construction.SUBSTANCE: bracing lattice of the rod structures, besides the upper (compressed or compressed-bending) and the lower (stretched) belts, the main braces and racks is also provided with additional braces. The upper nodal junctions of these braces divide the panels of the upper belt into the component parts, and the lower nodal junctions of the same braces are combined with the nodal junctions of the lower belt and the lattice rods (main braces and racks). Additional braces are Y-shaped or Ψ-shaped.EFFECT: shortening of additional rods of the bracing lattice, simplification of their nodal junctions with the lower belt, main braces and racks, reduction of labour costs and structural material consumption.6 dwg, 1 tbl

Butt joint of tubular rods // 2632990
FIELD: construction.SUBSTANCE: invention can be used while manufacturing rod structures from pipes. In the butt joint of tubular rods, including end caps fixed to the rods and cut-in crosses interconnected by bolts in overlap, each the bolted beam of the cut-in crosses is symmetrically bent in opposite directions by the thickness of the beams.EFFECT: reducing the structural material consumption and additional labour costs.3 dwg, 1 tbl

Tube-concrete prestressed beam // 2632798
FIELD: construction.SUBSTANCE: tube-concrete prestressed beam, containing a shell in the form of a pipe and a reinforced concrete core with reinforcing elements, cross section of the core contains two segments. The first one has concrete filling, and the second one - concrete filling and pre-tensioned reinforcing elements located longitudinally and providing compression stress of concrete core in unstressed beam with peak values, based on the strength of the concrete in extrusion in this segment and the peak tensile stresses, based on the absence of crack formation in concrete in the first segment, when workloads on the beam are aimed from the first segment of the core to the second one. The shell can be made of used oil and gas pipe or can be made non-metallic. The core can consist of fiber-reinforced concrete or other composite material, fully or partly. The shell can have a non-circular cross-section in the transverse extent. The shell can be of variable cross-section in the longitudinal extent.EFFECT: increased carrying capacity during the operation of the tube-concrete element by bending and reduced concrete core crack formation, increased manufacturability.6 cl, 5 dwg

Butt joint of stretched bent-welded rods // 2632724
FIELD: construction.SUBSTANCE: butt joint of stretched bent-welded rods is described, which includes zigzag-shaped flanges attached to the rods, with bolt-tightened walls reinforced with corner pieces rigidly fastened to them and mutually resting against each other in the assembled joint.EFFECT: reducing the labour intensity of its manufacture, assembly and installation, reducing the consumption of structural material.3 dwg, 1 tbl

Anchor, tensioning device, wind power plant and method of tensioning stretch cords on anchor // 2632610
FIELD: construction.SUBSTANCE: anchor for a tensioning device intended for fixing to the structure for holding stretch cords, such as cables, rods, stretch cables, tension rods or the like, on the anchor with multi-part anchor head, in which the anchor head has anchor plate in form of perforated disc with input for separate direction of the stretch cord, in which the input is one of plurality of inputs and the stretch cord is one of plurality of stretch cords; an intermediate disc mounted on one side of the perforated disc and having an additional input for a separate direction of the stretch cord, in which the additional input is one of plurality of additional inputs in the intermediate disc, and the stretch cord is one of plurality of stretch cords; the protective disc located from the other side of the perforated disc. The intermediate disc is made in the form of transition plate, which supports a protective bushing at least in an additional input, which is designed to automatically anchor the stretch cord under tension. The protective disc also has an additional input for a separate direction of the stretch cord, in which the auxiliary additional input is one of a plurality of auxiliary additional inputs in the intermediate disc, and the stretch cord is one of a plurality of stretch cords. A tensioning device, a wind power plant with a gondola, and a method of tensioning the stretch cords on an anchor are described as well.EFFECT: increasing the strength of fastenings.26 cl, 9 dwg
Panel for additional thermal insulation of walls // 2630932
FIELD: construction.SUBSTANCE: invention relates to the field of developing structures for the additional thermal insulation of walls while constructing and repairing buildings, designed to reduce the heat input from the room to the wall thickness when installing insulation panels inside the room or for protecting the walls from the effects of adverse atmospheric processes while installing panels on the external side of the building. The panel for additional thermal insulation of walls comprises sheets forming the front and the rear panel planes with an air layer between them. The structural elements of the panel are made of materials that do not support combustion, have low thermal conductivity and are selected from the "polyurethane foam" group for the rear plane, rigid polyurethane foam with the closed-mesh structure for delimiters, expanded polystyrene, fibreboard, drywall sheets for the front plane. Wherein the panel sheets are structurally grouped in packages by eight pieces with the rigid connection between the rear and the front plane and the ninth one in the center, which has the ability to move horizontally relative to the wall, due to attaching a vibrator with a drive and a motion speed regulator connected to an air temperature sensor located inside the panel. On the rear plane of the panel sheets, curvilinear grooves with the opposite tangent direction on each adjacent pair of panel sheets are made. The panel is characterized in that the curvature of each curvilinear groove is made in the form of cycloid as brachistochrone, and its cavity has the form of a "dovetail".EFFECT: maintaining normalized thermophysical parameters of enclosing structures and panels for additional thermal insulation of the walls of a building and increasing the heat transfer coefficient compared to pure air.6 dwg

Wall panel and method of its manufacturing // 2629510
FIELD: construction.SUBSTANCE: wall panel consists of two elements: a panel-frame consisting of a crossbar and racks, made of heavy concrete, including reinforcing articles and parts, and an element for filling the space in the panel-frame plane. Wherein the element for filling the space in the panel-frame plane is represented by a liner made of light or cellular concrete with retainers on the surfaces connected to the panel-frame. A method for manufacturing the wall panel is also described.EFFECT: reductiing the weight and material intensity of load-bearing and self-supporting wall panels, reducing the labour intensity of the wall panel manufacturing, increasing the industriality of construction and increasing the strength of the contact seams between the composite elements of the wall panel.7 cl, 9 dwg

I-beam with corrugated wall // 2629270
FIELD: construction.SUBSTANCE: i-beam with a corrugated wall comprises flanges and a wall made of metal corrugated sheet welded to them with a transverse arrangement of free-form corrugations. Wherein, the wall consists of two or more parallel interconnected corrugated sheets, and the flanges are made of steel-reinforced concrete, consisting of rigid reinforcement in the form of a corrugated metal sheet and reinforcing frame including longitudinal reinforcement and transverse reinforcement, which surrounds the longitudinal reinforcement, is connected to it, and its ends are bend-inwardly welded to the corrugated sheet of metal with an offset from the beam wall equal to not less than 50 mm.EFFECT: increased durability, fire resistance, bearing capacity and cross-breaking strength of a beam with a corrugated wall in two planes and torsion strength, expansion of its application range in construction.14 cl, 4 dwg

anufacturing method of concrete construction, premanufactured element of concrete construction, as well as concrete construction // 2629183
FIELD: construction.SUBSTANCE: objects of the present invention are manufacturing method of concrete construction, a prefabricated element serving as a semi-finished product for the manufacture of the concrete construction produced using the mentioned method, as well as corresponding concrete construction. The mentioned method comprises the following steps: manufacture of the prefabricated structural element comprising first reinforcing structures, which have three-dimensional textile net structures and first thermal insulating elements, pouring into the concrete formwork to form the first concrete layer, lowering of the prefabricated element onto the first concrete layer.EFFECT: reduced costs, increased strength.14 cl, 12 dwg

Gypsum products with high-efficient heat-absorbing additives // 2628347
FIELD: construction.SUBSTANCE: gypsum article comprises a cured gypsum core layer, at least partially covered with at least one facing sheet, at least one of the liner sheets comprising paper and aluminium trihydrate, the paper being obtained from at least a pulp and aluminium trihydrate, and wherein the aluminium trihydrate is present in an amount of from about 5% to about 40 wt % relative to the pulp in a dry state.EFFECT: increasing the stability of gypsum products to high temperatures.9 cl, 12 dwg, 4 tbl

Steel concrete beam // 2627810
FIELD: construction.SUBSTANCE: steel concrete beam comprising the upper and lower belts, the wall and the concrete located in a closed loop in the upper part of the beam section, has a closed loop for the concrete location. The closed loop is formed by the upper belt and the wall consisting of two sheets bent outwards in the upper part of the beam in accordance with the diagram of normal compressive stresses in the cross sections of the beam. The upper edges of the wall sheets are spaced in the horizontal plane and form along the beam length two curves corresponding to the bending moment diagram in the beam. The upper interface points of the wall sheets are located on a vertical curve corresponding to the bending moment diagram in the beam. And the wall sheets are united by retainers of variable length, which give it the curved shape along the beam height and length.EFFECT: reducing the material consumption of the steel-concrete beam.7 dwg

Coating from trihedral trusses // 2627794
FIELD: construction.SUBSTANCE: coating comprises trihedral trusses combined by a profiled flooring. Each truss includes the upper tubular belts of the pentahedral composite section and the lower belt from a single angle with the heel oriented downwards. The walls of the channels of the upper belts are oriented vertically and into the trihedral truss towards each other. The diagonal web is welded overlapped to the flanges of the belt angles.EFFECT: increasing the structure rigidity while reducing the material and labour consumption.3 dwg

ultilayered wall panel // 2627434
FIELD: construction.SUBSTANCE: multilayered wall panel consists of an inner wooden layer, an outer facing layer, and a layer of a heat insulation from foamed polymeric material, located between them. The wooden layer is made of a pack of boards glued together. Wherein in the boards through openings are made, which coaxially extend to the entire height of the pack, and reinforcing elements poured with a curable composition are arranged in the openings.EFFECT: manufacturing a wall panel more lightweight, simple in manufacturing and sufficiently strong to be used as bearing elements.10 cl, 5 dwg

ethod for gluing plates in multilayer panel (versions) // 2627396
FIELD: construction.SUBSTANCE: method for gluing veneer sheets in a multilayer panel consists in applying a layer of a glue, or adhesive, or binding composition. Then, at least two thin veneer sheets of wood with the thickness of 0.1 to 10 mm each are connected through said layer by means of applying the pressing force over the entire outer surface area of one of the thin veneer sheets of wood to the polymerisation of this layer. To form a layer of a glue, or adhesive, or binding composition, a mesh is used, which is moistened with this composition, the excess of this composition is drained, and the mesh is laid on a dry surface over the entire area of one of the thin veneer sheets of wood. Then another thin veneer sheet of wood is laid on the mesh, followed by applying said pressing force to the superficially arranged thin veneer sheet of wood.EFFECT: simplifying the method of gluing and reducing the adhesive composition consumption.2 cl, 2 dwg
 
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