Device for repair of vertical wall of steel scroll tank
SUBSTANCE: metal support is designed in the form of interconnected vertical pillars and horizontal beams, assembled in a single frame, intended for mounting and fixing inside the tank. Vertical pillars in the upper part of the tank are fixed to the support ring of the tank by means of bolt connection, and are welded to the edge sheet in the lower part of the tank through the glass. Metal support is also provided with fixing anchors, located along the perimeter of the repair area perpendicularly to the vertical pillars and horizontal beams. Metal support comprises the mean for moving fixing anchors relative to the vertical pillars, horizontal beams and vertical wall of the tank.
EFFECT: improving the repair quality of the tank wall.
4 cl, 4 dwg
The technical field to which the invention relates.
The invention relates to the repair of tanks, and more particularly to a device for repair of a vertical wall of the tank scrolled steel, including the metal support and can be used in the repair of vertical steel tanks as scrolled and tanks collected sheet method.
The level of technology.
A device for repair of a vertical wall steel coiled tank comprising a metal support (patent RF N 2256757 published in 2005).
The disadvantage of this mounting device is the low quality of the installation scrolled vertical cylindrical steel tanks due to the lack of frame stiffness on the wall, which prevents coagulation of the cut sheets of the main wall inside the procedure of drawing out the repair area of the wall to reduce thermal influence of the shrinkage of welds, possible appearance of Lapunov, which is unacceptable, as it can lead to accidents due to violations of the integrity of the shell wall of the tank, including environmental disasters due to oil spill in large volumes.
It is also known a device for repair of a vertical wall steel coiled tank on�sponding metal support (see the description of "rules of technical operation, diagnosis and repair of tanks" WITH 02-04-ACTP-077-2006 OJSC "AK "Transnefteproduct" K. 3 map.25 p. 361,and K. 3.26 p. 364).
This device is the closest to the technical essence and the achieved technical result and selected as a prototype of the invention.
The disadvantage of this device installation is also low quality of installation of vertical cylindrical steel coiled tanks due to the lack of frame stiffness on the wall, which prevents coagulation of the cut sheets of the main wall inside the procedure of drawing out the repair area of the wall to reduce thermal influence of the shrinkage of welds, possible appearance of Lapunov, which is unacceptable, as it can lead to accidents due to violations of the integrity of the shell wall of the tank, including environmental disasters due to oil spill in large volumes.
Disclosure of the invention.
Based on this original observation, the present invention mainly aims to provide a device for repair of a vertical wall steel coiled tank, which allows at least to smooth out one of the above disadvantages, namely to ensure the quality of repair of a wall of vertical tanks �the rest by preventing repair the appearance of Lapunov.
To achieve this, metal bearing made in the form of interconnected uprights and horizontal beams are assembled in a single load frame adapted for installation and fixing scrolled inside a steel tank, Vertical posts at the top of the tank adapted for attachment to the support ring steel coiled tank by bolting, and in the lower part of the tank through the glass, welded to Arrechea sheet. The upright is adapted to placing vertically by means of wedges of the sheet. Metal bearing further includes a fixing anchor located on the perimeter of the repair area perpendicular to the vertical posts and horizontal beams and adapted for attachment to the vertical wall of the coiled tank sheet. The number of vertical pillars and horizontal beams is selected depending on the area of the repair area of the sheet. Metal bearing further includes means for moving the locking anchors relative to vertical posts, horizontal beams and the vertical wall of the tank.
Thanks to this advantageous characteristic becomes possible to improve the quality of repair of the walls of the tanks, as it becomes possible to fit a new �emotie the list (s) in the design position instead remove old leaves, forming the walls of the tank, thus facilitating the repair of tanks. Indeed, from the inside to bend outward curving inwards the edges of the sheets easier.
There is a variant of the invention, in which each vertical column and each horizontal beam is made in the form of a pair of metal profiles, u-shape, each of which has a middle flat portion and two side flat plot facing middle flat portions to each other. Each pair of metal sections adapted to ill connection with each other through have between them fixing anchors. The size of the metal profiles of the horizontal beams is less than the size of metal profiles uprights.
Thanks to this advantageous characteristic becomes possible to allow movement and locking of the locking anchors, hardening of the overall design.
There is a variant of the invention in which the locking of the anchor is made in the form of segments of metal profiles u-shaped. The size of the metal profile of the fixing anchor is smaller than the metal profile of the horizontal beams.
Thanks to this advantageous characteristic makes it possible to use robust versions of parts of the device.
There is a variant of the invention in which a�m means of displacement of the locking anchors and the local zone to the vessel wall is in the form of Jack.
Thanks to this advantageous characteristic becomes possible to permit movement of the locking anchors and the local zone of the wall of the tank with the Jack.
There is an alternative variant of the invention, in which the means for moving the locking anchors are made in the form of a set of threaded holes in the vertical uprights and horizontal beams and placed them in threaded fasteners.
Thanks to this advantageous characteristic becomes possible to permit movement of the locking anchors using threaded fasteners.
The set of essential features of the invention are unknown in the art for devices of similar purpose, which allows to make a conclusion on compliance with the criterion of "novelty" of the invention.
Brief description of the drawings.
Other distinctive features and advantages of the invention clearly emerge from the description given below for illustration and non-restrictively, with reference to the accompanying drawings, in which:
- figure 1 schematically shows a device for repair of a vertical wall scrolled steel tank, inside view of the tank according to the invention.
- figure 2 schematically shows a device for repair of a vertical wall of steel romanroman�th tank type (cut) side of the tank according to the invention.
- figure 3 schematically shows a device for repair of a vertical wall steel coiled tank, view (view) at the top of the tank, according to the invention.
- figure 4 depicts the stages of application of the device according to the invention.
According to Fig. 1-3, the device for repair of a vertical wall steel coiled tank includes a metal support, which is made in the form of interconnected uprights 1 and horizontal beams 2, which are adapted for installation and fixing scrolled inside a steel tank 3.
The upright 1 is intended for mounting to a supporting ring 31 scrolled steel tank bolted ofconnectivity and through the "glass" 32 by means of wedges 33 and welding to Arrechea sheet steel coiled tank (see Fig. 3).
Metal bearing further includes a fixing anchor 4 located on the perimeter of the repair area perpendicular to the vertical posts 1 and horizontal beams 2 and adapted for attachment to the vertical wall of the coiled tank. The number of uprights 1 and horizontal beams 2 is selected depending on the area of the repair area. Metal bearing further includes selectedto move the locking anchors relative to vertical uprights and horizontal beams.
Each vertical column 1 and each horizontal beam 2 can be made in the form of a pair of metal profiles, u-shape, each of which has an average flat plot (for uprights is the profiles 11 and 12, medium flat areas 111 and 121) and two lateral flat section (for sections 11 and 12 of the uprights is 112, 113 and 122, 123), medium facing flat portions to each other. The size of the metal profiles of the horizontal beams (21 and 22) may be less than the size of the metal profiles of the vertical struts (11 and 12).
The fixing of the anchor 4 is made in the form of segments of metal profiles u-shaped, the size of the metal fixing profile of the anchor may be less than the size of the metal profile of the horizontal beams.
The means for moving the fixation anchors can be made in the form of the Jack 5.
In the figures of the repair insert is indicated as 6. The position of the vessel wall in the calculated position is labeled on the figures as 7, but a temporary bump out the position of the wall as 8.
The implementation of the invention.
Device for repair of a vertical wall steel coiled tank install and use as follows. (Reproduced non-limiting application of the invention an example of a scrolled mounting of the tank with the use of predlagaemaya according to figure 4.)
Stage A1. In scheduled the repair area from the inside of the reservoir using winches mounted under the support ring 31 or (in the area of contiguity of the roof to the wall depending on the design of the reservoir) uprights 1, which are attached to the support ring 31 by bolting through the "glass" 32 by means of wedges 33 and welding to Arrechea the sheet, and welding by welding horizontal beams between them. The number of simultaneously used uprights depends on the size of the repair area.
Stage A2. Around the perimeter of the repair area by welding are fixing anchor 4 between the uprights 1 and the wall of the tank 3. Fixing anchor 4 are welded to the vessel wall 4, but at the stage the plants have the possibility of movement relative to the uprights 1, for example, by means of jacks.
Stage A3. Produce layout and removal from repair areas of defective sheets of a wall.
Stage A4. A seat is mounted with crane new repair insert (grade) 6, which are mounted between itself and the wall of the tank with the mounting fixtures and fixing of anchors 4.
Stage A5. Using the locking anchors 4 and jacks 5 pull outward on the estimated f=20-40 mm collected the wall, locking it in position with regard to the prevention and PEFC�blowing effects from the shrinkage of the welding Assembly seams (regulations 8 and 7 in the figures). Fix locking of the anchor 4 in position by welding to the vertical racks 1.
Step A6. Produce welding work. Upon completion of welding works on this repair section the equipment for repair, disassemble, and if necessary, the cycle of operations is repeated on the remaining sections until complete repair of the tank.
Step A7. Thus, produce a gradual replacement of all subsequent repair areas of the tank.
We present variants of the invention are exemplary and allow you to add new options to modify or described. For example, to use the stages selectively or simultaneously repair the wall at two diametrically opposite sections.
The proposed device for repair of a vertical wall steel coiled tank can be carried out by a specialist in practice and in the implementation provides an implementation of the stated purpose, which allows to make a conclusion on compliance with the criterion of "industrial applicability" for invention.
The described apparatus for repair of a vertical wall steel coiled tank is realized on the basis of traditional technologies, and the possibility of its implementation is not associated with any additional technical problems.
In accordance with the proposed invention by the applicant repeatedly tested in practice, the technology and device for repair of a vertical wall steel coiled tank on the objects of OJSC "AK "Transneft" and the prospects of the proposed device.
Tests have shown that such a device for repair of a vertical wall scrolled steel tank allows for:
- quality repair,
- avoid the appearance of Lapunov.
Thus, due to the fact that metal bearing made in the form of interconnected uprights and horizontal beams are assembled in a single load frame designed for installation and fixing scrolled inside a steel tank, and the vertical column in the top part of the tank is made with the possibility of attachment to the support ring steel coiled tank by bolting, and in the lower part of the tank is made with the possibility of fastening using a glass welded to Arrechea sheet, and the metal pillar includes the fixing of the anchor, located on the perimeter of the repair area perpendicular to the vertical posts and horizontal beams and designed to adhere to the vertical wall of the coiled tank sheet, while the number of vertical pillars and horizontal beams is selected depending on the area of the repair area of the sheet, and metal bearing includes means for moving the locking anchors relative to vertical posts,horizontal beams and the vertical wall of the tank and achieved the claimed technical result namely: improving the quality of repair of a wall of vertical steel tanks, by preventing repair the appearance of Lapunov.
Additional useful technical result of the claimed invention is that the device provides:
- to avoid the need to install after repair work additional stiffeners on tank walls;
to increase the reliability of the repaired tanks;
- made once the inventory kit a snap for the same type of tanks can be used unlimited number of times during the repair works at the enterprises operating tanks that will significantly reduce the material costs of the enterprise in the future.
Thus, the technology and the design of the device used in practice for repair of a wall of vertical steel tanks, it is recommended for extensive application in industries.
1. Device for repair of a vertical wall steel coiled reservoir, which includes the metal support, wherein the metal bearing made in the form of interconnected uprights and horizontal beams are assembled in a single load frame designed for installation and fixing inside a steel scrolled RES�of rvoir, a vertical column in the top part of the tank is made with the possibility of attachment to the support ring steel coiled tank by bolting, and in the lower part of the tank is made with the possibility of fastening using a glass welded to Arrechea the sheet, and the metal bearing includes a retainer anchor located on the perimeter of the repair area perpendicular to the vertical posts and horizontal beams and designed to adhere to the vertical wall of the coiled tank sheet, while the number of vertical pillars and horizontal beams is selected depending on the area of the repair area of the sheet, and metal bearing includes means for moving the locking anchors relative to the uprights, horizontal beams and the vertical wall of the tank.
2. The device according to claim 1, characterized in that each vertical column and each horizontal beam is made in the form of a pair of metal profiles, u-shape, each of which has a middle flat portion and two side flat plot, facing middle flat portions to each other, and the size of the metal profiles of the horizontal beams is less than the size of metal profiles uprights.
3. The device according to claim 2, characterized in that the locking Anke�and is made in the form of segments of metal profiles u-shaped form, and the size of the metal profile of the fixing anchor is smaller than the metal profile of the horizontal beams.
4. The device according to claim 2, characterized in that the means for moving the locking anchors are in the form of Jack.
SUBSTANCE: device to seal areas of metal-concrete adjacency comprises a plate steel part of protective sealed doors, hatches or flanges of tubular inputs of engineering utilities with holes for injectors. Holes are evenly arranged along the steel part. The device comprises a source of DC current with a rheostat or an autotransformer and an electromagnet. The electromagnet is installed on the steel part, with a coil in the form of a winding from current-conducting wire with insulation and ends of this wire, closed to poles of the source of DC current. The coil of the electromagnet is arranged on a crossbeam of the U-shaped magnetic conductor. The lower part of each stand of the magnetic conductor fully complies with the shape, volume and geometric dimensions of the inner space of the hole for the injector. The height of the lower part of magnetic conductor stands is equal to thickness of the steel part. The distance between centres of cross sections of the electromagnet magnetic conductor stands is equal to double distance between centres of holes for injectors.
EFFECT: device makes it possible to increase quality of sealing, to reduce power inputs and consumption of materials.
SUBSTANCE: invention relates to the field of construction, in particular, to the method to reinforce precast panels of cellular concrete surface. The method of reinforcement consists in the fact that the roof structure is opened along the seam of coupling of adjacent panels for the width of 300-400 mm. Then they cut through slots with width of 85-90 mm along the seams through the entire length of the panel, afterwards they insert longitudinal steel beams into the slots from the top, having gussets at the bottom to fix cross beams. Cross beams are connected to longitudinal beams and are connected by gussets with longitudinal beams by assembling bolts. Gaps between cross beams and the reinforced panel are filled with concrete, and gaps between longitudinal beams and side surfaces of panels are filled with construction foam. The slot above the surface of longitudinal beams is filled with a heat insulation material, then the roof design is restored, and steel reinforcing elements protruding beyond the ceiling surface are coated by protective materials.
EFFECT: increased bearing capacity of a coating panel.
4 cl, 8 dwg
SUBSTANCE: method to reconstruct a building or a facility includes installation of stiffening cores inside a building or their erection to perceive load from bearing elements of the building or facility carcass. Stiffening cores are installed with a gap in respect to reinforced spans of floors, under which bearing girders are mounted. Girders are fixed in stiffening cores at the depth of at least half of thickness of the appropriate stiffening core perpendicularly to the latter and are connected as fixed with spans. Spans are made in the form of crossbars and floors, or crossbars, or floors. Ends of bearing girders are embedded into stiffening cores.
EFFECT: increased stability of a building.
SUBSTANCE: invention relates to the field of construction and may be used for radical reinforcement of slabs exposed to durable impact of aggressive medium and having practically lost bearing capacity. The device to reinforce a solid reinforced concrete slab includes several reinforcement elements and comprises two additional solid reinforced concrete slabs arranged on the top and at the bottom and combined to each other by means of reinforced concrete keys. The lower slab is equipped with rods with helical thread at the ends, performing the function of the pre-stressed working reinforcement, connected on nuts with anchors, which serve as stops for them. Anchors are connected with the main slab as a dowel by epoxide glue. Keys are equipped with vertical rods performing simultaneously the function of working reinforcement of keys and function of suspension in fixation of the lower slab formwork. The surface of contact between the main and lower slabs is equipped with a layer of compound on the basis of epoxide resin preventing access of aggressive medium to working reinforcement.
EFFECT: increased bearing capacity, stiffness and crack resistance of a slab.
SUBSTANCE: method to reinforce structures of a building cover, comprising bearing structures, runs and an enclosure, consists in installation of reinforcement beams from channels resting against bearing structures between existing runs. In the areas of resting of reinforcement beams onto bearing structures they cut a section of an upper shelf of a channel, using welding, they fix a similar section at the opposite side, turning cross sections of the channel into a z-shaped one. Final installation of reinforcement beams is carried out by means of their rotation around the longitudinal axis.
EFFECT: reduced labour intensiveness during installation of a cover and increased reliability of joint operation of cover structures after reinforcement.
SUBSTANCE: invention relates to the field of construction, namely, to a support element designed for pasting-in into brick masonry and used in assemblies of slab support. The support element comprises a central rod and end anchor parts. The central rod is made of a concrete cylinder, having longitudinal corrugations on the outer side for better spread of an injectable formulation with depth of 0.1-0.5 cm and two transverse corrugations for installation of fixing rings with depth of 0.1-0.5 cm: an inner aligning ring in the form of a sprocket and an outer fixing ring with a reference hole in the upper part. In the centre of the cylinder there is a through hole for installation of the nozzle into it for injection of the chemical formulation.
EFFECT: increased strength of a support element.
3 cl, 3 dwg
SUBSTANCE: device to reinforce beam structures includes prestressed four-branch braced ties fixed at ends of the beam in its upper part, resting in areas of bending at hinged cylindrical supports with a pad, installed in the lower part of the beam and tightened by yokes. In the upper end zone of the beam there are angular profiles installed onto a footing, where braced ties are fixed as a tightened assembly.
EFFECT: increased bearing capacity due to balance of forces in all bands of a braced system.
2 cl, 4 dwg
SUBSTANCE: invention relates to the field of construction, in particular to protection against oxidation of the active and passive frames laid in the concrete mass. A method of injecting fluid into a porous material or a material having boundary lines, comprising the following steps is revealed in the invention: attachment of an injector to the indicated material, which defines the boundaries of a compression chamber at least with one surface of the indicated material; injection of the indicated fluid into the indicated compression chamber under low pressure; influence on the indicated fluid by an acoustic wave of high power by means of an oscillating element, passing directly into the indicated compression chamber.
EFFECT: provision of deep impregnation of surfaces or boundary lines of heterogeneous materials.
14 cl, 3 dwg
SUBSTANCE: invention relates to methods of reinforcing power constructions, which have existing or predictable collapsing sections, by means of strips of composition material. As strips used is woven or non-woven reinforcing filling agent from glass, basalt, synthetic polymer or carbon fibres. Said fibres are impregnated with polymer composition in amount 30÷60% from composite weight, providing their adhesion to power constructions and further hardening from +5°C to +100°C for from 5 minutes to two days. Polymer composition contains in wt %: epoxy resin 100, active epoxy diluent 5÷130, hardening agent 15÷110, thickening agent 5÷50, pigment or dye 0.5÷50. As gardening agent it contains product of interaction of amine component with monocarboxylic acids. as amine component used is mixture, consisting of primary aromatic amine or mixture of aromatic amines (A), secondary aliphatic amino alcohol (B) and tertiary aliphatic amino alcohol (C) in weight ratio A:B:C from 98:0.2:1.8 to 80:5:15. Monocarboxylic acid (D) is introduced in form of 25÷80% solution in monoatomic aliphatic or aromatic alcohol, or their ether with mono- or dicarboxylic acid, in ratio (A+B+C):D from 90:10 to 60:40 counted per 100% acid with further interaction by mixing in reactor at temperature from 50 to 130°C for from 20 to 120 minutes at rate of mixer from 100 to 3000 revolutions per minute.
EFFECT: increased adhesion of reinforcing strips from composition materials to the surface of constructions and their more effective reinforcement are provided.
SUBSTANCE: in the method to repair a building facade, including dismantling, of at least a part of masonry of oil facing bricks and development of new masonry of facing bricks with fixation on the bearing wall of the building, according to the invention, development of new masonry and its fixation is done by fixing anchors in the bearing wall of the building, onto which horizontal rows of reinforcement are laid, on each of which, using mortar, they lay several rows of bricks with a gap relative to the bearing wall of the building, at the same time the first and last rows of the new masonry of facing bricks are arranged with horizontal ventilation gaps in respect to the old masonry. Besides, as the masonry is fixed onto the bearing wall of the building, in the specified gap they lay mortar in the form of vertical strips that connect areas of fixation of anchors, for additional fixation of bricks and elimination of anchor corrosion.
EFFECT: increased service life of a repaired facade of a building without change in its appearance, elimination of moisture condensation on a facing brick and in a facing brick due to formation of a ventilation gap in the facade, due to which a directed air flow from bottom up, which carries away warm moist air from a wall, preventing moisture condensation, increased service life of a facade happens due to suggested reliable fixation of facing brick masonry on a bearing wall of a building.
FIELD: building, particularly for concrete structures reinforcing.
SUBSTANCE: structure includes trussed tie bar and additional compressed member. Structure is provided with telescopic post having spring. Post is arranged between trussed tie bar and compressed member formed of channel bar. Compressed member is located in level with lower belt of beam to be reinforced and encloses it. Trussed tie bar ends are connected to compressed member, which in turn is secured to beam to be reinforced by compressed member ends through collars.
EFFECT: increased load-bearing capacity, reliability and service life of reinforced concrete floor beams and longitudinal ribs of ribbed slabs, possibility of full residue bearing capacity usage of structure.
FIELD: building, particularly to prevent separation of roofing material layers during roof repair.
SUBSTANCE: method involves injecting material forming liquid bitumen layer in roof area of separation through orifices arranged in waterproofing mat above the area; consolidating the area to be repaired. Orifices are spaced 0.2-2.0 m apart. At the beginning of material injection process air or water is removed from the cavities through above orifices and then emulsified bitumen, including 30-80% of bitumen, is fed. Emulsified bitumen is spread in cavity over the full area of separation using weight, which is moved over the roof surface. Before compaction the area of separation is heated up to 100-160°C and then held at this temperature up to bitumen dewatering and water vapor discharge from the area through above orifices in atmosphere.
EFFECT: increased reliability of waterproofing mat gluing in presence of water cavities regardless of separation area and reduced time of roof repair.
FIELD: building, particularly building reconstruction.
SUBSTANCE: method involves forming main drilled piles along building foundation perimeter, where the piles are arranged outside the foundation; mounting the main load-bearing supports on the drilled piles so that load-bearing supports are arranged in pairs from opposite sides of the building; mounting load-bearing girders on load-bearing vertical support heads, wherein the bearing girders are arranged in rows; erecting additional stories on the bearing girders. Main drilled piles extend for depth not less than building foundation depth in ground. Upper pile parts are pulled together in pairs. Additional drilled piles adapted to support additional load-bearing vertical supports are driven outside the building foundation beyond the main ones. At least one additional load-bearing support is arranged in the main vertical support row from one building side.
EFFECT: prevention of service performance reduction.
16 cl, 2 dwg, 2 ex
FIELD: building, particularly to recover load-bearing capacity of reinforced concrete frames of industrial and civil buildings.
SUBSTANCE: method to recover load-bearing capacity of reinforced concrete column subjected to concrete and reinforcement corrosion by column surface moistening, scoring, column cross-section widening, enclosing with ferrule and reduction of longitudinal compressing force application eccentricity involves deforming steel pipe; reducing steel pipe cross-section by compressing thereof with two rollers to impart oval cross-section to the pipe so that major oval axis is equal to three minor axes; cutting the pipe in longitudinal direction; inserting damaged column in steel ferrule so that major cross-sectional axis is directed in plane of compressing force application eccentricity and reducing eccentricity; connecting two halves of oval pipe in air-tight manner and filling gaps between steel ferrule and damaged column with expanding fine concrete injected through nozzles in the cavities in bottom-top direction; compacting concrete with vibratory action and applying stress to cross-section during concrete setting by compressing thereof from all sides by steel form to reinforce the whole structure.
EFFECT: possibility to recover load-bearing building frame capacity without production process stopping and decreased labor inputs.
FIELD: building, particularly to repair beams, walls, columns and poles.
SUBSTANCE: method involves installing reinforcing members on structure to be reinforced and connecting the members with fastening members; welding the fastening members to one reinforcing member; heating thereof and welding the heated members to opposite reinforcing member; terminating the heating operation. The fastening members may be installed between reinforcing member surfaces or laid on ends thereof. In the first case initial fastening member length is determined from the following equation: L=SBH-α·(T-Ta), where SBH is distance between inner reinforcing member surfaces, α is linear expansion factor of fastening member material, T is fastening member heating temperature, Ta is ambient temperature. In the second case fastening member length is defined as L≥So, where So is distance between outer surfaces of reinforcing members.
EFFECT: increased reliability of structure to be reinforced.
FIELD: building, particularly roof repair and waterproofing.
SUBSTANCE: method involves arranging roof paper between coating area to be repaired and movable heating member; heating organic binding material to soften thereof by means of the heating member; compacting the coating along with rolling-on roofing paper to heated coating.
EFFECT: increase service life of waterproof covering.
5 cl, 1 tbl
FIELD: building, particularly to repair waterproof coatings and roof coverings including organic binding agent.
SUBSTANCE: method involves determining brittle temperature of organic binding agent; calculating plastic range thereof; heating organic binding covering with heating member laid on the covering and compacting the covering. The organic binding agent is heated up to temperature 1.6-3.2 times greater than plastic range.
EFFECT: increased service life of repaired coating and increased quality thereof.
FIELD: repairing, for instance filling cracks, restoring, altering, enlarging, particularly for repairing monuments, museum pieces and applied and decorative art pieces.
SUBSTANCE: method involves drying joint and filling thereof with dry non-combustible materials before lead-based molten material pouring in joint; filling the joint with lead-based molten material, which is supplied through pouring channel system made of molding material, wherein the molding material provides predetermined geometry of sealed joint. The molten material is supplied as continuous jet. Joint to be sealed may be located in vertical or horizontal planes or in plane inclined at 0-90° angle with respect to horizontal plane. The lead-based molten material may be reused for repairing work performing.
EFFECT: reduced labor inputs and material consumption, increased environmental safety and joint sealing reliability, elimination of additional mechanical or chemical treatment.
17 cl, 2 dwg
FIELD: construction, particularly building reconstruction.
SUBSTANCE: method involves erecting foundation of inserted structure, forming through pass in-between and constructing one or several stories over the foundation. The stories are built of kit including vertical panels and floor panels, which are connected with existent building walls by tie members. Joints are hermetically sealed. Floor panels are installed on guiding means having opened parts. Opened parts of guiding means are welded with each other after structure assemblage. Roofs of adjacent buildings are extended up to inserted structure walls. Projection adapted to drain water from the structure is hermetically installed over joint between the roof and the inserted structure. Guiding means are made as outer centralizers in upper parts of vertical and floor panels and as inner centralizers in lower panel parts.
EFFECT: increased strength and air-tightness.
12 cl, 14 cl, 2 ex
FIELD: construction, particularly working measures on existing buildings.
SUBSTANCE: superstructure skeleton comprises lower row transversal frames arranged within the limits of building length and lower end transversal frames projecting out of the building length and including two belts. The end transversal frames have columns and trusses located from building outside and provided with parallel belts. Arranged in the trusses are upper row and end frames having two belts and including columns and trusses. Skeleton also comprises floor panels. Lower superstructure stories are provided with central columns installed in lower frame truss joints and are united with each other by structural stands of intermediate stories. Space of one intermediate story is free of frame structures. Main beams of upper intermediate stories are secured to upper frame trusses by means of suspension brackets.
EFFECT: decreased metal consumption of superstructure skeleton.