Construction thermal squared beam
SUBSTANCE: thermal squared beam comprises wooden parts-lamels, connected to each other by means of pins, with deepening of the latter by 1/3 of part thickness, and a sealant between parts-lamels. The sealant is a thermal insert either from foam polyethylene or from polyethylene with a single-sided or double-sided reflecting coating using foil and/or metallised lavsan, either from a different heat-sound insulating material. Dimensions of the thermal insert by length and width are equal to dimensions of wooden parts-lamels, and its thickness is taken within the 3 mm and above. Plastic spacer rings are installed onto pins, with thickness less than thickness of the thermal insert by 0.5-1 mm, in which holes are made for these rings in advance. With reduction of pin quantity on the squared beam the outer diameter of spacer rings is increased.
EFFECT: higher heat and sound protection properties of a squared beam.
The invention relates to the construction industry and wood processing industry, in particular to a wooden building materials, structures profiled bars.
Known multi-layer building block consisting of a decorative face layer, the base layer and located between the insulating layer, bonded polymer rods (utility model 109770 EN CL ES/40, dated 16.06.2011,). The unit is made in the form of a prism, trapezoid, the base of which are the ends of the block. An area equal in non-parallel faces of the prism are the upper and lower base unit. A large area of the parallel side faces of a prism is the outer side of the decorative layer unit, and a smaller area of the parallel side faces of a prism is the inner side of the base layer block. The angle between the planes of the bases of the prism and the outer side of the front decorative layer is 89° or less. The unit can be made in the form of a rectangular parallelepiped or a prism. On any of the grounds in the decorative and support layers are made grooves, the axes of which are in planes parallel to the front side of the decorative layer. The cross-sectional area of each groove 5 cm2and the other reason is executed corresponding to the grooves of the protrusions. And one of Bokovikov in the decorative and support layers are made grooves, and the other of the sides is performed corresponding to the grooves of the protrusions.
However, this known construction the material is quite complicated to manufacture.
The patent RU 109171, CL IS 2/10, dated 11.01.2011, known beam-thermos. This product for fencing (wall) structures made of two longitudinal boards located at a distance from each other, connected by struts. The plane stands perpendicular to the planes fastened boards, and third longitudinal boards that cover the side bar. All inner side of the formed box-like structure is covered with a layer of polyurethane foam.
The disadvantage of this timber-thermos is its complicated structure.
The objective of the invention is to create a beam with high thermal and sound properties without the use of glue.
The technical result when using the invention consists in obtaining turbobrush simple design of different thickness.
This technical result is achieved by the fact that the beam includes wooden parts-the slats in the amount of two or more interconnected through the dowel, with the depth of the latter, at least 1/3 of the thickness of the parts, and the seal between the parts-slats. As a sealer use thermostable or of polyethylene, or of panopolis the Lena one-way or two-way reflective coating using foil and/or aluminized Mylar, or from another teplozvukoizolirujushhejj material. Dimensions thermostable length and width are equal to the dimensions of the wooden parts-blades, and its thickness is taken in the range of 3 mm and above. To set the plastic dowels remote ring thickness 0.5-1 mm less than the thickness of thermostable, in which the pre-made holes for the rings. When reducing the number of dowels outer diameter distance rings increase.
Figure 1 is a simplified fragment of finished turbobrush construction; figure 2 is a transverse section of the beam dowel, A-a in figure 1.
Turbobrush construction, for example, consists of two identical parts of the lamellas 1, seal 2, dowel 3 and distance rings 4.
The example run. 2 PCs wooden parts-slat 1 thickness of 90 mm, and a width of 200 mm and a length of 6 m with thermostable 2 between them with the same dimensions, but with a thickness of 5 mm, connected by dowels 3 diametral 20 mm and a length of 64 cm with a depth in the body parts 1 and 30 mm (1/3 thickness). On the dowels 3 installed remote ring 4 with a thickness of 4.5 mm and an outer diameter of 32 mm and an inner - 21 mm. In thermostat 2 under these ring 4 holes damstrom 32 mm Thermostable 2 in this embodiment, two-way reflective coating. Received turbobrush construction durable, heat-sound and durable, just the design.
In the manufacture of turbobrush of wooden parts-slats more than 2, thermostable, only extreme, and also perform one-way reflective coating.
Turbobrush construction, including wooden parts-the slats in the amount from two or more seals between parts-slats interconnected by means of dowels, and as a sealer used foam with unilateral or bilateral reflective coating using foil or metallized material thickness in the range of 3 mm and above, characterized in that the connecting dowels are made with plastic remote rings thickness less than the thickness of the seal 0.5-1 mm, and in reducing the number of dowels outer diameter distance rings increases.
SUBSTANCE: method to manufacture a wooden composite building bar includes treatment of boards and their joining with the help of fastening elements. Fastening elements are represented by a tape. Between boards, inserts are installed, for instance, of trapezoidal section, and holes are made in external boards, perpendicular to the axis of the bar and direction of the heat flow via a building structure. The tape is pulled into holes, tightened, and ends are fixed, for instance, by means of welding.
EFFECT: reduced labour intensiveness of a bar, its lower weight and improved heat insulation properties.
SUBSTANCE: wooden precast element comprises at least two longitudinal parts joined to each other by embedded joints, and such parts are arranged in parallel at the specified distance from each other. Embedded links are discretely installed along the length of the precast element in oppositely arranged slots of a rectangular cross section, besides, each slot is cut in the middle part of the longitudinal part and is arranged as continuous along its entire length; fibres of the longitudinal part are aligned along the longitudinal axis of the precast unit, and fibres of embedded links are perpendicular to the direction of vertical fibres of the longitudinal part.
EFFECT: increased stiffness of a wooden element and a cladding structure assembled from specified elements.
19 cl, 8 dwg
FIELD: process engineering.
SUBSTANCE: method of producing glue board comprises sawing required number of glued boards of blank made by gluing strips together off said blank, glued boards being notable thinner than blank proper. Then, strips are made up of layer of strips by gluing at least two parts so that sides of annual rings of said parts are opposed in horizontal and/or vertical direction. Note here that layers of plates thus produced are glued in required amount one onto another. Direction of fibers of different parts in layer of strips and between layers arranged one above the other are selected so that annual rings of adjacent layers of almost all glued boards to be sawn off are located on opposite sides of glued board.
EFFECT: simple and fast method suitable for commercial production.
16 cl, 5 dwg
SUBSTANCE: invention relates to construction, and namely to methods for manufacturing of wooden laminated bars. Method for manufacturing of laminated wooden bars consists in assembly of multilayer pack from thickness-calibrated dried boards in each layer, at the side of wide faces of which there are stepwise-displaced longitudinally-aligned compensatory slots-grooves, in application of glue compound onto wide faces of boards in process of pack assembly, in pressing of boards pack to polymerise glue, in mechanical treatment of pack glued after polymerisation with formation of construction bar. When forming inner layers of pack, boards with various widths of faces are used, being joined to each other in forming layer of pack along side edges, and/or unedged boards are used, which are previously sawn longitudinally and joined to each other along unedged faces in forming layer of pack. Joined zones of boards are filled with glue compound, and zones of connection of according boards in each subsequent layer are displaced relative to zone of boards connection in previous layer of pack, or zone of boards connection in forming layer of pack are covered with boards calibrated along width of forming pack.
EFFECT: expansion of method functional capabilities.
4 cl, 4 dwg
FIELD: machine building.
SUBSTANCE: tooth connection contains at least one pin. Additionally required forms of pins are processed with a mill by means of a cutting tool, such as a milling cursor for both connected parts. Height of at least one additional pair of pins varies along length of blocking pair of pins.
EFFECT: increased strength of connection.
8 cl, 14 dwg
FIELD: construction industry.
SUBSTANCE: invention refers to methods of manufacturing of bonded building timbers. Method includes assembly of package of machined boards with displacement in relation to each other with formation of daps on one side and protrusions on the other side, bonding agent application, fixation of boards among themselves, pressing of package. Package assembly is performed using blanks for timber in form of machined boards with stop from side of plane of bonding agent application. Fixation of boards among themselves is performed with stop with locks formation preventing bonding agent extrusion on one or two flanks of bonded surface.
EFFECT: upgrades timber quality, reduces labour intensity upon manufacturing.
3 cl, 4 dwg, 3 ex
SUBSTANCE: invention is related to elements of building structures, in particular to composite glued wooden bars intended for application as beams, columns and composite parts of building blocks. Composite glued wooden bar consists of plates joined in groove and comb. Groove and comb are made of wide sides of plates, glue layers between plates are located between tops of combs and bottom of grooves, height of combs exceeds depth of grooves, and width of combs is less than width of their according grooves. Groove and comb on at least some plates have different width that varies from plate to plate according to required profile of bar cross section. Width of grooves is equal to width of plates reduced by value of allowance for finishing treatment. On one side edge of bar there may be additional groove or comb arranged for connection to structural or reinforcing element. In glue layers there are armoring net gaskets laid continuously along the whole length of bar.
EFFECT: cost reduction of timber due to lowering of requirements to quality of initial saw timber and accuracy of their processing prior to gluing.
5 cl, 6 dwg
SUBSTANCE: invention is related to construction, in particular, to manufacture of flitch girders. Method consists in adhesion of adjacent surfaces of metal core and wooden liners, drilling of through holes in wooden liners and metal core, insertion of tubular dowels in holes and their rolling. Through holes in metal core and in wooden liners are drilled simultaneously with different drills intended for metal and wood cutting with rotational speed different for metal and wood. Metal core and liners installed on above the other are placed and fixed on shifted tacking, being positioned relative to each other. Tacking is shifted during drilling operation by step equal to distance between neighbouring holes along girder length, after drilling liner placed on top is removed, surface of lower liner is treated with adhesive composition, core is shifted to lower liner, surface of core is treated with adhesive composition, the second liner is moved to core, previously assembled girder is turned by 90°, and metal core and liners are fixed with tubular dowels against mutual displacement by means of tubular dowels rolling.
EFFECT: increased efficiency of flitch girders manufacture.
2 cl, 25 dwg
SUBSTANCE: invention deals with constriction structures elements. The timber contains plates, glued interlayer between plates and reinforcing meshes inserted into interlayer. The reinforcing meshes are arranged continuously along the whole length of timber. Their edges project from the glued interlayer by, at least, one timber edge.
EFFECT: improvement of timber operational service life and stability.
2 cl, 2 dwg
FIELD: construction industry.
SUBSTANCE: invention refers to construction industry, and namely to wooden bar construction joints. Bar construction joint consists of two wooden in cross section I-beam bars connected to each other with straps; at that end of the first bar is connected with longitudinal edge of the second one. Bar web is made from veneer sheets located with a gap and attached to each other with transverse stiffeners, and their flanges are made in the form of blocks. Number of veneer sheets of second bar construction equals to that of veneer sheets of first bar construction plus one more sheet, and at that if bar construction consists of not less than two veneer sheets, the latter are located with a gap equal to thickness of plates of bar construction attached thereto. Veneer sheets are connected to each other with transverse stiffeners. End of the first bar passing through the gap between veneer sheets of second bar has no flanges, and edges of the rest flange sections bear against second bar flange surface facing them. Thickness of blocks fixed in the space between sheets complies with thickness of veneer used for sheets manufacturing. Inserts made from veneer are arranged in space between veneer sheets of second bar. Straps made from veneer are located on external side of second bar sheets.
EFFECT: improving strength and rigidity of joint.
6 cl, 3 dwg
SUBSTANCE: invention relates to multi-layer power structural elements in the form of columns, towers, beams, grooves, etc., used in construction. A multi-layer power structural element comprises inner and outer layers, made by winding of reinforcing threads or rovings onto a mandrel, impregnated with a polymer binder with specified protective properties to form a solid layer, and a structural layer placed between them and stiffly connected to them, made of previously prepared volume elements, providing for adhesion of inner and outer layers. The previously prepared volume elements are made in the form of meshed longitudinal power elements with transverse links formed from reinforcing threads or rovings impregnated by a polymer binder, and the formed cavity between the external and internal layers connected by the structural layer serves to introduce a filler. Also a version of a multi-layer element is described.
EFFECT: increased reliability of an item due to provision of higher adhesion of layers with simultaneous provision of non-combustibility of protective layers, higher strength and heat resistance, increased speed of manufacturing of a finished item.
19 cl, 1 tbl, 6 dwg
SUBSTANCE: multi-layer thermal block for construction comprises a stiff spatial element - a matrix, besides, the block comprises three bearing concrete layers and two thermal insulation layers from foam plastic arranged between them, for instance, foam polystyrene, having holes for connection of three concrete layers into a single monolithic structure with the help of formation of solid links during pouring, besides, heat insulation layers are shifted relative to bearing layers along the vertical line and along the horizontal line for production of a slot and comb connection of blocks, which insulates bearing layers from each other by thermal insulating layers along edges of the block in the zone of contact with an adhesive mixture. Concrete links in one heat insulating layer are shifted relative to links in the other heat insulating layer to the maximum possible value and have the size of cross section required for provision of strength of the structure, and in case of the slot and comb connection the adhesive layer having the highest heat conductivity, in process of mounting it is broken into 5 segments, in accordance with the number of layers. Also the method and the device for its manufacturing are described.
EFFECT: higher strength of connection between block layers, higher thermal protection properties of a block and heat and wind protection properties of an erected structure, higher quality of mounting, reduced time of construction.
4 cl, 7 dwg
SUBSTANCE: invention relates to flaky items used in construction for heat insulation of buildings and premises in it. The heat and sound insulation unit comprises filler webs laid one onto another, every of which comprises a corrugated sheet with corrugations of zigzag shape and a flat sheet connected to it. In each filler web, at least at one longitudinal side of the filler web, the flat sheet is arranged with a transverse size below the corrugated sheet by value of at least half of a pitch of a zigzag-shaped corrugation, thus producing a compensator from corrugations protruding beyond the flat sheet, capable of being compressed in transverse direction for gapless laying of the filler web into a building structure. A serrated line of corrugated sheet bend matches the edge of the flat sheet of the web. In the first version of block laying into a building structure the block is pressed with its longitudinal side with a compensator to the element of the building structure, and in this condition it is installed into the filled space of the building structure. The block compensator due to action of springing forces fills a gap produced between the block and the element of the building structure. In the second version, in case of layer-by-layer installation of block filler webs into a building structure, block filler webs that are adjacent along the height of the building structure are laid with a rotation relative to each other by 180°, and thus the compensator of the below block filler web is covered with a flat sheet of the filler web sheet. In the third version, in case of layer-by-layer installation of block filler webs into a building structure with equal longitudinal and transverse dimensions, block filler webs that are adjacent along the height of the building structure are laid with a rotation relative to each other by 90°, and thus gapless laying of the block is provided at all sides of the building structure.
EFFECT: invention provides for higher heat and sound insulation properties of blocks due to elimination of gaps between elements of building structures and fillers.
4 cl, 4 dwg
SUBSTANCE: multilayer building block consists of a decorative face layer, a bearing layer and a heat insulating layer provided in between, which are fixed to each other with polymer rods. The block is arranged in the form of a prism, trapezoid bases of which are ends of the block, and non-parallel prism faces of identical area are upper and lower bases of the block. The parallel side face of the prism of larger area is an outer side of the decorative layer of the block, the parallel side face of the prism of smaller area is an inner side of the bearing layer of the block, besides, the angle between planes of prism bases and the outer side of the face decorative layer makes 89 and less degrees, on one of bases in the decorative and bearing layers there are slots, axes of which are in planes parallel to the face side of the decorative layer, with the area of section of each slot of more than 5 sq. cm., on the other base there are ledges arranged as complying with slots. The method of construction of the multilayer construction blocks is also described.
EFFECT: higher labour efficiency in erection of a building, elimination of damages on a decorative layer when erecting a building, compensation of uneven subsidence of a block during laying, strict dosing of mortar, reduced flow of concrete mortar in laying and reduced costs for erection of a building.
4 cl, 3 dwg
SUBSTANCE: wall unit is arranged in the form of a faceted structure from a hardened material, having a face surface arranged on the outer face side of the unit, an inner surface arranged on the inner side of the unit, lower, upper and side surfaces, at the same time the unit comprises a face layer, an intermediate layer and an inner layer arranged serially along its width, besides, the face layer has thickness of s1, which is less than the thickness s2 of the intermediate layer, and the thickness s3 of the inner layer is less than the thickness s1 of the face layer, the latter contains cement, a plasticiser and ground haydite with fractions within 1 to 5 mm, the intermediate layer of the unit contains cement, a plasticiser and haydite with fractions within 5 to 20 mm, the inner layer of the unit contains sand, cement and a plasticiser, the specified thicknesses of the unit layers are selected depending on the width S of the unit and are in the ratio of s1:s2:s3=(0.10-0.17)S:(0.89-0.79)S:(0.007-0.037)S, the unit comprises a L-shaped crest made in the face layer and covering it at two adjacent lateral and lower sides, and also a L-shaped groove made in the face layer and covering at two other adjacent lateral and upper sides of the unit, the crest and the groove are installed in a single plane, parallel to the face surface of the unit, the surface of the crest and the groove, the face and inner surfaces are arranged as solid and smooth, and the lower, upper and lateral sides of the unit arranged between the face and inner layers are made as rough with grooves stretching inside the unit from 0.1 mm to 20 mm between fractions, at the same time the length of the unit L at its face side is selected depending on the width S of the unit within the limits of L=(0.99-1.01)S, the length Lin of the unit at its inner side is selected as equal to the length of the unit at its face side, the face surface of the unit is arranged at the distance s4 from the crest axis, the inner surface of the unit is arranged at the distance s5 from the crest axis, which is more than the distance s4, besides, s4 and s5 are in the ratio s4=(0.08-0.16)s5. Also the versions of units design are described, as well as a material for manufacturing of a unit, versions of molds for manufacturing of a unit, the method to manufacture the unit and a line for unit manufacturing.
EFFECT: reduced weight of units, its higher strength, provision of possibility to increase strength of units connection in a wall, simplified technology of production by usage of moulds from unified elements, using a simplified method for manufacturing of units and a line for method implementation.
41 cl, 61 dwg
SUBSTANCE: tape is designed to fill seams between construction slabs. It contains a non-woven base, containing fibres, selected from a group made of natural cellulose fibres, synthetic polymer fibres, glass fibres and their combinations. At the same time the nonwoven base has the following properties, determined according to ASTM C474-05: relative swelling in cross direction is below approximately 1.3%; relative swelling in longitudinal direction is below approximately 0.2% and breaking strength in cross direction is at least approximately 2625 N/m. Besides, a method is proposed for finishing treatment of a seam between slabs, including the following: (1) application of a tape for filling seams onto a seam between slabs by submersion of a tape for seam filling into the first layer of the composition for filling seams; (ii) application of the second layer of the composition for filling seams above the tape, besides, the stage (ii) is carried out before the tape for seam filling and the composition for seam filling applied at the stage (i), have dried substantially, and if required, (iii) application of the third, filling or final layer of the composition for filling seams above the tape, besides, the stage (iii) is carried out before the tape for seam filling and the second layer have substantially dried.
EFFECT: improved quality of the tape due to high strength and reduction of swelling during moistening at simultaneous acceleration of seams filling.
20 cl, 2 tbl, 1 ex
SUBSTANCE: light heat-insulation building unit arranged in internal and external walls of a building and formed from bubble synthetic resin, comprises a connecting ledge on the upper side, so that when it is laid, no cavity is formed, a connecting slot in the basement of the unit corresponding to the connecting ledge, and also a protruding section and a section of the slot arranged on the front and rear surfaces of the unit. At the same it is equipped with an auxiliary unit having the same shape as the heat insulation unit, which is cut as "L" on a segment of the upper section of its one surface, and has a ledge of cylindrical shape on the upper section of the cut element, and is joined to one side of the heat insulation unit. Also versions of the units are described.
EFFECT: development of units that make it possible to complete treatment of building walls by attachment of a finishing material to a unit, reduction of costs, simplified process of unit formation.
13 cl, 21 dwg
SUBSTANCE: multilayer building block comprises a decorative layer, a central layer arranged between an inner and outer structural layers made of ceramsite-concrete mix. The mix to make the central layer contains the following components, per 1 m3 of the mix: ceramsite gravel of 8÷22 mm fraction with apparent density of 350÷450 kg/m3 in volume of 1 m3; portland cement 130÷440 kg, polyvinyl acetate glue in volume of 1.3÷4.7 l, water in volume of 115÷125 l. The method is characterised to manufacture the multilayer building block.
EFFECT: increased strength of the block and simplified method of its manufacturing.
5 cl, 3 dwg
SUBSTANCE: method for production of multilayer structural material includes mould filling, subsequent supply of layer materials, moulding, soaking, withdrawal from mould. At the same time serial filling of layer materials is carried out through placement of basalt cloth layers impregnated with epoxide resin onto mould bottom, placement of foam polyurethane layer onto layers of basalt-plastic with further laying of basalt cloth layers impregnated with epoxide resin onto foam polyurethane layer, with intermediate arrangement of carbon threads in between. Ends of carbon threads are taken outside. Moulding and soaking of all layers is carried out simultaneously in process of heating up to temperature of 60°C and pressure of 0.5-1.0 MPa until resin hardens. At the same time ratio of foam polyurethane layer thickness to basalt-plastic layer thickness makes 20-80:0.5-1.5.
EFFECT: improved mechanical properties and reduced process cycle.
2 cl, 2 dwg, 1 tbl
FIELD: construction industry.
SUBSTANCE: invention refers to production of building materials used in particular in low-rise and frame housing and also during building of civil and industrial projects with high requirements to decorative outer cladding of buildings, heat- and acoustic insulation of rooms, for example of multistorey apartment houses, cottages and other buildings. Set of blocks includes sets of main, corner and aperture blocks containing face layer with thickness A, bearing layer with thickness C and heat-insulating layer with thickness B located between them, they are attached to each other by polymeric bars, at that basic thickness of blocks in each set is chosen discretely either 300 mm or 400 mm, at that relation of thickness B of heat-insulating layer to sum of thicknesses (A+C) of face and bearing layers, i.e. (B:(A+C)) is chosen completed with basic thickness of blocks 300 mm either 0.50 or 0.67, and completed with basic thickness of blocks 400 mm - either 0.60 or 1.00, at that sum of thicknesses (A+C) of face and bearing layers is constant for all sets, at that each set consists of two groups of blocks. Thickness A of decorative layer in each group increases in arithmetic progression according to relation Ai=A0+10·n, where A0 is chosen not less than 40 mm, and n is integral number and corresponds to range from 1 to 6, and thickness C of bearing layer decreases in arithmetic progression in each group correspondingly. Blocks in each group are made according to regional weather conditions requirement and are characterised by thickness B of heat-insulating layer being constant in group for region. Each group is provided additionally with belt blocks made one-piece and consisting of face and bearing layers, and with air-exchange block provided with through-hole and ventilating grill rigidly fixed in it. Blocks of corner type are made in two forms, one of them is provided with equidistant L-shaped face and heat-insulating layers, and in cavity of heat-insulating layer shortened bearing layer is located. The other form of blocks is provided with equidistant L-shaped bearing and heat-insulating layers, and in cavity of heat-insulating layer shortened face layer is located.
EFFECT: improvement of universalisation of set of blocks and enhancement of their use in low-rise and high-rise house building under various weather conditions, simplification of technology of walls construction observing all required technical and technological parametres, optimisation of ratio of all layers dimensions, improvement of their strength properties and cheapening of building.
3 cl, 1 tbl, 9 dwg
FIELD: construction industry, in particular, manufacture of multilayer construction stones.
SUBSTANCE: method involves forming undetachable frame by mounting of closed outer form onto pallet, with sides of frame being equipped with vertical slots; placing internal insert symmetrically in form, said insert being similar to form in shape and equipped with vertical slots; fixing form and insert with respect to one another with the help of vertical members introduced into vertical slots; filling space between form and insert with sand concrete; imparting monolith structure to filler by vibratory pressing or vibratory casting; withdrawing form, insert and vertical members; forming cells inside resultant undetachable frame by placing interconnected partition walls; fixing their free ends in slots formed in sides of undetachable frame by means of vertical members; filling cells with cellular concrete or light-weight concrete such as polystyrene, clay filler, sawdust, ash; holding; drying and removing partition walls to produce ready multilayer wall stone, which is further directed for stacking.
EFFECT: increased efficiency by combined employment of various construction materials and reduced labor consumed for performing frame forming and handling works.
5 cl, 6 dwg