CN111058553A - Anti-seismic light steel framework shear wall with external wall heat insulation system and construction process thereof - Google Patents
Anti-seismic light steel framework shear wall with external wall heat insulation system and construction process thereof Download PDFInfo
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- CN111058553A CN111058553A CN202010025738.9A CN202010025738A CN111058553A CN 111058553 A CN111058553 A CN 111058553A CN 202010025738 A CN202010025738 A CN 202010025738A CN 111058553 A CN111058553 A CN 111058553A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 176
- 239000010959 steel Substances 0.000 title claims abstract description 176
- 238000009413 insulation Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 32
- 238000007906 compression Methods 0.000 claims description 32
- 238000003466 welding Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 20
- 229920001971 elastomer Polymers 0.000 claims description 18
- 229920002635 polyurethane Polymers 0.000 claims description 18
- 239000004814 polyurethane Substances 0.000 claims description 18
- 210000003205 muscle Anatomy 0.000 claims description 17
- 238000009415 formwork Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004321 preservation Methods 0.000 abstract description 6
- 230000035939 shock Effects 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
Abstract
The invention relates to an anti-seismic light steel framework shear wall with an external wall thermal insulation system and a construction process thereof, and the anti-seismic light steel framework shear wall comprises an external wall thermal insulation board and an embedded light steel framework, wherein the embedded light steel framework comprises longitudinal ribs and transverse ribs made of U-shaped steel, the longitudinal ribs are arranged in two rows, the transverse ribs are fixedly connected between the two rows of longitudinal ribs, the longitudinal ribs comprise upper U-shaped steel and lower U-shaped steel, the end surface of the lower U-shaped steel is fixedly connected with an installation seat, the end surface of the upper U-shaped steel is fixedly connected with a fixed block, the fixed block is fixedly connected with an inserting column, the installation seat is provided with an inserting hole, an anti-seismic pressure spring is placed in the inserting hole, the inserting column is inserted into the inserting hole, a buffer cushion layer is laid on the upper surface formed by the two rows of. The light steel framework shear wall achieves the heat preservation effect through the outer wall heat preservation plate, and meanwhile, the light steel framework shear wall has the shock-resistant effect through the matching of the shock-resistant pressure spring and the buffer cushion layer.
Description
Technical Field
The invention relates to a shear wall with a light steel framework, in particular to an anti-seismic shear wall with a heat insulation system of an outer wall and a construction process thereof.
Background
At present, for the wall construction of houses, the processes of bundling ribs, formwork erecting, pouring and formwork removing are generally adopted, a large amount of labor force can be wasted in the construction process, the consumed working hours are long, and the green building concept is not met, so that the construction process of the wall is simplified in more and more building industries at present, and the working hours are shortened and the waste of the labor force is reduced.
At present, chinese patent with publication number CN102966189A discloses an outer wall insulation system integrated with construction of a light steel frame shear wall structure, including an insulation board, an inner side steel mesh, an outer side steel mesh, oblique steel wires which obliquely cross through the insulation board and are connected with the inner side steel mesh and the outer side steel mesh, and an outer facing base layer outside the insulation board, the outer wall insulation system can be produced in a factory according to specific specifications, and the insulation board can be compounded with the outer facing base layer in a factory to form a prefabricated composite insulation board according to needs, and the prefabricated composite insulation board can be used as a dismantling-free template outside an outer wall during construction, and after concrete pouring, the outer wall insulation system is formed together with a main body structure to be insulated and structurally integrated.
Although above-mentioned outer wall insulation system has realized the heat preservation effect through the heated board, the composite insulation board that forms simultaneously can form the template in the outer wall outside to reach the effect of exempting from formwork, form removal, but in the in-service use process, because behind the concrete setting becomes the wall body, the wall body can become a holistic structure, and its inside light steel skeleton also belongs to the rigidity piece simultaneously, consequently under the earthquake condition, above-mentioned structure can't slow down the energy that comes from the earthquake, and the antidetonation effect is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the anti-seismic light steel framework shear wall with the external wall heat insulation system, which has the advantages of slowing down seismic energy and achieving the anti-seismic effect.
The above object of the present invention is achieved by the following technical solutions:
an anti-seismic light steel framework shear wall with an outer wall thermal insulation system comprises an outer wall thermal insulation board and a pre-buried light steel framework, wherein the pre-buried light steel framework comprises longitudinal ribs and transverse ribs made of U-shaped steel, the longitudinal ribs are provided with two rows, the two rows of longitudinal ribs are oppositely arranged, the transverse ribs are fixedly connected between the two rows of longitudinal ribs, the longitudinal ribs comprise an upper U-shaped steel and a lower U-shaped steel which are sequentially arranged from top to bottom, the end surface of the lower U-shaped steel facing the upper U-shaped steel is fixedly connected with an installation seat, the end surface of the upper U-shaped steel facing the lower U-shaped steel is fixedly connected with a fixed block, an inserting post is fixedly connected with the fixed block, an inserting hole for inserting the inserting post is formed in the installation seat, the inserting hole is a step hole with a large upper part and a small lower part, a distance is formed between the hole bottom of the inserting hole and the bottom surface of, the top of antidetonation pressure spring is contradicted in the fixed block, and the cushion has been laid to the upper surface that two rows of lower U shaped steel are constituteed, it has the hole of stepping down that supplies the antidetonation pressure spring to pass to open on the cushion, the laminating of outer wall insulation board is on the lateral surface of muscle is indulged in the outside, outer wall insulation board sets up respectively in the top and the below of cushion.
Through adopting above-mentioned technical scheme, when carrying out the structure of light steel framework shear force wall, indulge the muscle and divide into U shaped steel and lower U shaped steel, simultaneously, last U shaped steel and lower U shaped steel pass through the setting of antidetonation pressure spring, have realized elastic connection each other, under the earthquake condition, the longitudinal load that the muscle received can be alleviated to the antidetonation pressure spring to this reaches antidetonation effect. In addition, the buffer cushion layer can form a buffer layer between the walls and is matched with the anti-seismic compression spring together, so that the anti-seismic performance of the invention is improved. The cushion pad layer can protect the anti-seismic compression spring in the concrete pouring process, the possibility that the concrete permeates into the anti-seismic compression spring is reduced, and the elasticity of the anti-seismic compression spring is guaranteed. The light steel framework shear wall achieves the heat preservation effect through the outer wall heat preservation plate, and meanwhile, the light steel framework shear wall has the shock-resistant effect through the matching of the shock-resistant pressure spring and the buffer cushion layer.
The present invention in a preferred example may be further configured to: the welding base is embedded in one surface, facing the longitudinal ribs, of the outer wall insulation board, a tensioning rod is fixedly connected to the welding base, a guide pipe is welded between the two rows of longitudinal ribs, the guide pipe is coaxial to the tensioning rod, the tensioning rod is located in the guide pipe, one end, far away from the outer wall insulation board, of the tensioning rod is fixedly connected with a transition seat, the transition seat is rotatably connected with a tensioning screw rod, the tensioning screw rod is in threaded connection with the guide pipe, and one end, far away from the transition seat, of the tensioning screw rod extends out of the guide pipe.
Through adopting above-mentioned technical scheme, when carrying out laying of external wall insulation board, the staff at first twists the tensioning screw for the one end of tensioning screw orientation pre-buried light steel skeleton lateral surface stretches out the stand pipe. Then, the staff laminates the external wall insulation board on the lateral surface of pre-buried light steel skeleton, and the laminating in-process for the straining rod is contradicted to the transition seat. Then, the staff adopts the welded mode to weld the tightening rod and the transition seat into a whole. After the welding is finished, the staff twists the tensioning screw rod, and the tensioning screw rod drives the pull-in rod to enter the guide pipe, so that the outer wall insulation board is firmly attached to the outer side face of the embedded light steel framework. The tensioning screw rod can tension the outer wall insulation board, so that the outer wall insulation board is tightly attached to the prefabricated light steel framework, an outer side template is formed when the wall body is poured, the process of building a wall body template on one side is omitted in the pouring process, the work efficiency is improved, the labor force of workers is saved, and the green building concept is met.
The present invention in a preferred example may be further configured to: the outer side wall of the upper U-shaped steel is fixedly connected with a guide rod pointing to the ground, and the outer side wall of the lower U-shaped steel is fixedly connected with a butt joint pipe for inserting the guide rod.
By adopting the technical scheme, on one hand, the guide rod and the butt joint pipe have a guide effect, and the alignment precision between the upper U-shaped steel and the lower U-shaped steel is improved; on the other hand, the guide rod and the butt joint pipe play a role of reinforcing ribs, and structural strength between the upper U-shaped steel and the lower U-shaped steel is improved.
The present invention in a preferred example may be further configured to: the anti-pulling steel wire mesh layer is embedded in the outer wall insulation board, the area of the anti-pulling steel wire mesh layer is equal to that of the outer wall insulation board, and the anti-pulling steel wire mesh layer is attached to the side face, facing the tension rod, of the welding base.
Through adopting above-mentioned technical scheme, tensile steel wire net layer is pre-buried back in external wall insulation board, has great tensile ability, can carry out the separation to the welding base, has reduced the welding base and has pulled too big and break away from the possibility in the external wall insulation board.
The present invention in a preferred example may be further configured to: the anti-seismic compression spring is sleeved with a sealing rubber sleeve, the outer side wall of the sealing rubber sleeve is extruded on the inner side wall of the insertion hole, and the fixing block is provided with a containing groove for containing the top end of the sealing rubber sleeve.
Through adopting above-mentioned technical scheme, the rubber seal sleeve has improved the guard action to the antidetonation pressure spring, cooperates jointly with the cushion, has further reduced the possibility on the concrete infiltration antidetonation pressure spring.
The present invention in a preferred example may be further configured to: and the upper surface and the lower surface of the cushion layer are respectively hot-pressed with a polyurethane plate layer.
Through adopting above-mentioned technical scheme, the polyurethane plate layer can protect the cushion layer, and its self has elasticity simultaneously, cooperates jointly with the cushion layer, has the effect that improves anti-seismic performance.
The present invention in a preferred example may be further configured to: and the surfaces of the polyurethane plate layers, which are far away from the cushion pad layer, are respectively hot-pressed with tensile gridding cloth.
Through adopting above-mentioned technical scheme, tensile net cloth can the interlock in the concrete, when later stage concreting, has realized the stable connection between concrete and the polyurethane slab layer.
The invention also aims to provide a construction process of the anti-seismic light steel framework shear wall with the external wall heat insulation system, which comprises the following steps:
s1, building the following U-shaped steel: embedding lower U-shaped steel on the ground according to design requirements, and after the embedding is finished, welding transverse ribs between the two rows of U-shaped steel to limit the distance between the two rows of lower U-shaped steel;
s2, paving an outer wall insulation board on the outer side surface of the lower U-shaped steel:
a. screwing the tensioning screw rod, so that the tensioning screw rod faces to enable one end of the tensioning screw rod, which faces to the outer side face of the embedded light steel framework, to extend out of the guide pipe;
b. the outer wall heat insulation board is attached to the outer side face of the embedded light steel framework, in the attaching process, the tension rod is abutted to the transition seat, and a worker welds the tension rod and the transition seat into a whole in a welding mode;
c. a worker twists the tensioning screw rod, and the tensioning screw rod drives the pull-in rod to enter the guide pipe, so that the external wall insulation board is firmly attached to the outer side surface of the embedded light steel framework;
s3, building a wall forming template of the inner side surface of the lower U-shaped steel: supporting a template at one side of the embedded light steel framework, which is far away from the outer insulation board, wherein in the supporting process of the template, when encountering a tensioning screw rod, a through hole for the tensioning screw rod to pass through is formed in the template, and the through hole is connected with a sealing cover plate through a bolt to realize plugging;
s4, pouring a wall between two rows of lower U-shaped steel: pouring concrete into the space between the facing formwork and the outer wall heat insulation plate, and pouring and tamping;
s5, paving a cushion layer: before the concrete is solidified, a cushion layer with a polyurethane plate layer is laid on a plane formed by the lower U-shaped steel, and in the laying process, the abdicating hole is communicated with the inserting hole, and meanwhile, the anti-pulling column is inserted into the concrete;
s6, installing an anti-seismic pressure spring: the anti-seismic compression spring penetrates through the abdicating hole, is placed in the inserting hole, and meanwhile, a sealing rubber sleeve is sleeved outside the anti-seismic compression spring, and the outer side wall of the sealing rubber sleeve is extruded on the inner side walls of the inserting hole and the abdicating hole;
s7, building U-shaped steel: aligning the guide rod to the butt joint pipe, then putting down the U-shaped steel by a worker to enable the plug-in post to enter the plug-in hole, sleeving the anti-seismic compression spring on the plug-in post at the moment, and abutting the top end of the anti-seismic compression spring against the mounting seat;
s8, paving the outer wall heat-insulation plate on the outer side surface of the U-shaped steel: repeating the step of S2 on the upper U-shaped steel;
s9, building a wall forming template of the inner side surface of the upper U-shaped steel: repeating the step S3 on the inner side surface of the upper U-shaped steel;
s10, pouring the wall between the two rows of upper U-shaped steel: pouring concrete into the space between the facing formwork and the outer wall heat insulation plate to form a wall structure;
s11, trimming excess materials: after the wall body is formed and the mold is removed, the worker saws off excessive tension screws, and simultaneously, the sawed end faces of the tension screws are fixed in the guide rods in a welding mode to form an internal reinforcing structure of the wall body.
By adopting the technical scheme, when the wall body is poured, the outer wall heat-insulating layer is tightly attached to the light steel framework through the tensioning screw rod, so that the outer side template for pouring the wall body is formed. When pouring, the staff only need build the inboard template of wall body, has reduced the volume of formwork, has consequently improved work efficiency, has saved the labour simultaneously. After the pouring is finished, the guide pipe and the tension bolt are left in the wall body to form a connecting structure between the outer wall heat-insulation board and the wall body, and the connecting stability of the outer wall heat-insulation board on the wall body is improved.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the anti-seismic compression spring and the cushion layer are matched together, and under the earthquake condition, the anti-seismic compression spring and the cushion layer can absorb part of energy from the earthquake, so that the light steel framework shear wall has an anti-seismic effect;
2. when the wall body is poured, the outer wall heat preservation layer is tightly attached to the light steel framework through the tensioning screw, so that an outer side template for pouring the wall body is formed, workers only need to build the template on the inner side of the wall body, the quantity of formwork supporting is reduced, the working efficiency is improved, and the labor force is saved.
Drawings
Fig. 1 is a schematic structural diagram for embodying the present invention.
Fig. 2 is a sectional view of the anti-seismic compression spring according to embodiment 1.
Fig. 3 is an enlarged view for embodying a portion a in fig. 2.
Fig. 4 is a sectional view for embodying the anti-plucking cylinder in example 1.
FIG. 5 is a schematic structural diagram for showing a connection relationship between the external wall insulation board and the embedded light steel framework.
In the figure, 1, an external wall insulation board; 11. welding a base; 12. a tension bar; 13. a tensile steel wire mesh layer; 14. a guide tube; 15. a transition seat; 16. tensioning the screw rod; 2. embedding a light steel framework; 3. longitudinal ribs; 31. feeding U-shaped steel; 311. a fixed block; 3111. accommodating grooves; 312. inserting the column; 313. a guide bar; 32. feeding U-shaped steel; 321. a mounting seat; 321. inserting holes; 322. butt-joint pipes; 33. an anti-seismic pressure spring; 34. sealing the rubber sleeve; 4. transverse ribs; 5. a cushion layer; 51. a hole of abdication; 52. a polyurethane board layer; 53. tensile gridding cloth; 54. a through hole; 55. and (4) anti-pulling columns.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
the embodiment discloses light steel framework shear force wall of antidetonation with external wall insulation system refers to fig. 1 and fig. 2, including external wall insulation board 1 and pre-buried light steel skeleton 2, and pre-buried light steel skeleton 2 is including indulging muscle 3 and horizontal muscle 4, indulges muscle 3 and horizontal muscle 4 and makes by U shaped steel. Indulge muscle 3 and be equipped with two rows, two rows are indulged muscle 3 and are parallel to each other set up, and two rows are indulged single muscle 3 of indulging in the muscle 3 and are set up relatively in proper order, and horizontal muscle 4 is through welded mode fixed connection between two rows of indulging muscle 3, and the interval of indulging between the muscle 3 realizes the restriction through horizontal muscle 4.
Referring to fig. 2 and 3, the longitudinal rib 3 includes an upper U-shaped steel 31 and a lower U-shaped steel 32 which are sequentially arranged from top to bottom, the lower U-shaped steel 32 has a mounting seat 321 welded to the end surface of the upper U-shaped steel 31, and the upper U-shaped steel 31 has a fixing block 311 welded to the end surface of the lower U-shaped steel 32. The fixed block 311 is welded with a plug column 312, and the plug column 312 is perpendicular to the fixed block 311. The mounting base 321 is provided with a plugging hole 321 for the plugging column 312 to be inserted into, and the bottom of the plugging hole 321 has a distance from the bottom surface of the mounting base 321.
Referring to fig. 2 and 3, the insertion hole 321 is a stepped hole with a large top and a small bottom, the anti-seismic compression spring 33 is placed in the insertion hole 321, and the bottom end of the anti-seismic compression spring 33 abuts against the interface of the insertion hole 321. The plug column 312 is inserted into the plug hole 321 through the anti-seismic compression spring 33, and the plug column 312 slides in the plug hole 321. The top end of the anti-seismic pressure spring 33 is higher than the inserting hole 321 and is abutted against the fixing block 311. The upper U-shaped steel 31 and the lower U-shaped steel 32 are elastically connected with each other through the anti-seismic compression spring 33, and under the earthquake condition, the longitudinal load on the longitudinal rib 3 can be relieved, so that the anti-seismic effect is achieved.
Referring to fig. 2 and 3, a cushion 5 is laid on the upper surface of the two rows of lower U-shaped steels 32, and the cushion 5 is made of rubber. The cushion layer 5 is provided with a yielding hole 51 for the anti-seismic compression spring 33 to pass through. When the inserting-connecting column 312 is inserted into the inserting-connecting hole 321, the cushion layer 5 is pressed between the mounting seat 321 and the fixing block 311, on one hand, the cushion layer 5 can fill the space between the mounting seat 321 and the fixing block 311, and when concrete is poured in the later period, the possibility that the concrete penetrates into the anti-seismic compression spring 33 is reduced. On the other hand, after concrete is poured on the embedded light steel framework 2 in the later period, the buffer cushion layer 5 can form an elastic buffer layer between the concrete, and the elastic buffer layer is matched with the anti-seismic compression spring 33 together, so that the anti-seismic performance of the invention is ensured.
Referring to fig. 2 and 3, polyurethane plate layers 52 are respectively thermally compressed on the upper and lower surfaces of the cushion layer 5, and tensile meshes 53 are respectively thermally compressed on the surfaces of the polyurethane plate layers 52 facing away from the cushion layer 5. The polyurethane board layer 52 can protect the cushion layer 5, and has elasticity, and cooperates with the cushion layer 5, thereby improving the anti-seismic performance. The tensile mesh cloth 53 can be occluded in the concrete, and when the concrete is poured in the later period, the stable connection between the concrete and the polyurethane slab layer 52 is realized.
Referring to fig. 4, the surfaces of the polyurethane board layer 52 away from the cushion layer 5 are respectively and fixedly connected with an anti-pulling column 55, and a plurality of barbs are arranged on the column body of the anti-pulling column 55. The anti-pulling columns 55 can be tightly engaged in the concrete wall when the wall is formed, thereby reducing the possibility that the concrete structure is separated from the polyurethane slab layer 52 and improving the structural stability of the wall.
Referring to fig. 4 and 5, a guide rod 313 pointing to the ground is welded to an outer side wall of the upper U-shaped steel 31, an abutting pipe 322 into which the guide rod 313 is inserted is fixedly connected to an outer side wall of the lower U-shaped steel 32, the abutting pipe 322 is a pipe with an open top end and a closed bottom end, and a through hole 54 through which the guide rod 313 passes is formed in the cushion 5. When the upper U-shaped steel 31 and the lower U-shaped steel 32 are butted, the guide rod 313 and the butting pipe 322 play a role in guiding, and the alignment accuracy of the upper U-shaped steel and the lower U-shaped steel is improved. Meanwhile, when the concrete wall is formed, the guide rod 313 and the butt joint pipe 322 can improve the strength of the space between the mounting seat 321 and the fixing block 311, and the concrete wall has the advantage of improving the overall shear strength.
Referring to fig. 2 and 3, a sealing rubber sleeve 34 is sleeved outside the anti-seismic compression spring 33, an outer side wall of the sealing rubber sleeve 34 is extruded on an inner side wall of the insertion hole 321, and a holding groove 3111 for holding a top end of the sealing rubber sleeve 34 is formed in the fixing block 311. The sealing rubber sleeve 34 further improves the sealing performance against the anti-seismic compression spring 33, thereby further reducing the possibility of the concrete penetrating to the surface of the anti-seismic compression spring 33.
Referring to fig. 4, the outer wall insulation board 1 is attached to the outer side surface of the embedded light steel framework 2, and the outer wall insulation board 1 is arranged above and below the cushion layer 5 respectively. The one side that outer wall insulation board 1 orientation indulges muscle 3 is pre-buried to have welding base 11, and the welding has tightening rod 12 on the welding base 11, and the tightening rod perpendicular to outer wall insulation board 1. In addition, in order to improve the anti-pulling capacity of the welding base 11 in the outer wall insulation board 1, a tensile steel wire mesh layer 13 is pre-embedded in the outer wall insulation board 1, the area of the tensile steel wire mesh layer 13 is equal to that of the outer wall insulation board 1, and the tensile steel wire mesh layer 13 is attached to the side face, facing the tension rod 12, of the welding base 11.
Referring to fig. 4, a guide tube 14 is welded between the two rows of longitudinal ribs 3, the guide tube 14 is arranged coaxially with the tension rod 12, and the tension rod 12 is located in the guide tube 14. One end fixedly connected with transition seat 15 that outer wall insulation board 1 was kept away from to straining rod 12, and transition seat 15 deviates from the terminal surface of straining rod 12 and opens there is the circular slot, and the circular slot internal fixation inlays and is equipped with the bearing, and the inner circle internal fixation of bearing is inserted and is equipped with straining screw 16, and straining screw 16 passes through the bearing rotation and connects in transition seat 15. The tensioning screw 16 is screwed into the guide tube 14, and its end remote from the fixing base extends out of the guide tube 14.
Referring to fig. 4, when the external wall insulation board 1 is installed, a worker first twists the tension screw 16 so that one end of the tension screw 16, which faces the outer side surface of the embedded light steel framework 2, extends out of the guide pipe 14. Then, the staff laminates the external wall insulation board 1 on the lateral surface of pre-buried light steel skeleton 2, and in the laminating process, make the tightening rod 12 contradict to the transition seat 15. Then the worker welds the tightening rod 12 and the transition seat 15 into a whole by welding. After the welding is finished, the staff twists the tension screw 16, and the tension screw 16 drives the pull-in rod to enter the guide pipe 14, so that the external wall insulation board 1 is firmly attached to the outer side surface of the embedded light steel framework 2.
The implementation principle of the embodiment is as follows: when the light steel framework 2 is embedded in advance, the longitudinal ribs 3 are of the upper U-shaped steel 31 and the lower U-shaped steel 32, the upper U-shaped steel 31 and the lower U-shaped steel 32 are in elastic connection through the cooperation of the anti-seismic pressure spring 33, the buffer cushion layer 5 and the polyurethane slab layer 52, and when disasters such as an earthquake occur, the buffer capacity of the anti-seismic pressure spring 33, the buffer cushion layer 5 and the polyurethane slab layer 52 can absorb energy from the earthquake, so that an anti-seismic effect is achieved.
Example 2:
the embodiment discloses a construction process of an anti-seismic light steel framework shear wall with an external wall insulation system, which comprises the following steps:
s1, building the following U-shaped steel 32: the lower U-shaped steel 32 is embedded on the ground according to the design requirement, after the embedding is finished, the transverse ribs 4 are welded between the two rows of U-shaped steel, and the distance between the two rows of lower U-shaped steel 32 is limited;
s2, laying an outer wall heat insulation board 1 on the outer side surface of the lower U-shaped steel 32:
a. screwing the tensioning screw 16 to enable the tensioning screw 16 to face to enable one end, facing the outer side face of the embedded light steel framework 2, of the tensioning screw 16 to extend out of the guide pipe 14;
b. the outer wall heat insulation board 1 is attached to the outer side face of the embedded light steel framework 2, in the attaching process, the tension rod 12 is abutted to the transition seat 15, and a worker welds the tension rod 12 and the transition seat 15 into a whole in a welding mode;
c. a worker twists the tensioning screw 16, and the tensioning screw 16 drives the pulling rod to enter the guide pipe 14, so that the external wall insulation board 1 is firmly attached to the outer side surface of the embedded light steel framework 2;
s3, building a wall forming template of the inner side surface of the lower U-shaped steel 32: supporting a template at one side of the embedded light steel framework 2 far away from the outer insulation board, wherein in the supporting process of the template, when encountering a tensioning screw 16, a through hole for the tensioning screw 16 to pass through is formed in the template, and the through hole is connected with a sealing cover plate through a bolt to realize plugging;
s4, pouring a wall between two rows of lower U-shaped steel 32: pouring concrete into the space between the facing formwork and the outer wall heat-insulation board 1, and pouring and tamping;
s5, paving the cushion layer 5: before the concrete is solidified, a cushion layer 5 with a polyurethane plate layer 52 is laid on a plane formed by the lower U-shaped steel 32, and in the laying process, the abdicating hole 51 is communicated with the inserting hole 321, and meanwhile, the anti-pulling column 55 is inserted into the concrete;
s6, mounting the anti-seismic compression spring 33: the anti-seismic compression spring 33 penetrates through the abdicating hole 51 and is placed in the inserting hole 321, meanwhile, the sealing rubber sleeve 34 is sleeved outside the anti-seismic compression spring 33, and the outer side wall of the sealing sleeve is extruded on the inner side walls of the inserting hole 321 and the abdicating hole 51;
s7, building the U-shaped steel 31: aligning the guide rod 313 to the butt joint pipe 322, then putting down the upper U-shaped steel 31 by a worker to enable the plug-in post 312 to enter the plug-in hole 321, at the moment, sleeving the anti-seismic compression spring 33 on the plug-in post 312, and abutting the top end of the anti-seismic compression spring against the mounting seat 321;
s8, paving the outer wall heat-insulation plate 1 on the outer side surface of the U-shaped steel 31: repeating the step of S2 on the upper U-shaped steel 31;
s9, building a wall forming template of the inner side surface of the upper U-shaped steel 31: repeating the step of S3 on the inner side surface of the upper U-shaped steel 31;
s10, casting the wall between the two rows of upper U-shaped steel 31: pouring concrete into the space between the facing formwork and the outer wall insulation board 1 to form a wall structure;
s11, trimming excess materials: after the wall is formed and demolded, the worker saws off the extra tension screw 16, and simultaneously fixes the sawed end surface of the tension screw 16 in the guide rod 313 in a welding manner to form an internal reinforcing structure of the wall.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides an antidetonation lightweight steel framework shear force wall with external wall insulation system, includes external wall insulation board (1) and pre-buried lightweight steel skeleton (2), its characterized in that: the embedded light steel skeleton (2) comprises longitudinal ribs (3) and transverse ribs (4) made of U-shaped steel, the longitudinal ribs (3) are arranged in two rows, the two rows of longitudinal ribs (3) are oppositely arranged, the transverse ribs (4) are fixedly connected between the two rows of longitudinal ribs (3), each longitudinal rib (3) comprises an upper U-shaped steel (31) and a lower U-shaped steel (32) which are sequentially arranged from top to bottom, the end face, facing the upper U-shaped steel (31), of the lower U-shaped steel (32) is fixedly connected with an installation seat (321), the end face, facing the lower U-shaped steel (32), of the upper U-shaped steel (31) is fixedly connected with a fixed block (311), the fixed block (311) is fixedly connected with an insertion column (312), the installation seat (321) is provided with an insertion hole (321) for the insertion column (312) to insert, the insertion hole (321) is a step hole with a large upper portion and a small portion, and a space is reserved between the hole bottom, antidetonation pressure spring (33) have been placed in spliced eye (321), spliced pole (312) insert spliced eye (321) through antidetonation pressure spring (33), the top of antidetonation pressure spring (33) is contradicted in fixed block (311), and cushion pad layer (5) have been laid to the upper surface that two rows of lower U shaped steel (32) are constituteed, it has abdicating hole (51) that supply antidetonation pressure spring (33) to pass to open on cushion pad layer (5), outer wall insulation board (1) laminating is on the lateral surface of muscle (3) is indulged in the outside, outer wall insulation board (1) sets up respectively in the top and the below of cushion pad layer (5).
2. The anti-seismic lightweight steel frame shear wall with the exterior wall insulation system according to claim 1, characterized in that: the welding base (11) is embedded in one surface, facing to the longitudinal ribs (3), of the outer wall insulation board (1), a tensioning rod (12) is fixedly connected to the welding base (11), a guide pipe (14) is welded between the two rows of longitudinal ribs (3), the guide pipe (14) is coaxially arranged in the tensioning rod (12), the tensioning rod (12) is located in the guide pipe (14), one end, far away from the outer wall insulation board (1), of the tensioning rod (12) is fixedly connected with a transition seat (15), the transition seat (15) is rotatably connected with a tensioning screw rod (16), the tensioning screw rod (16) is in threaded connection with the guide pipe (14), and one end, far away from the transition seat (15), of the tensioning screw rod (16) extends out of the guide pipe (14).
3. The anti-seismic lightweight steel frame shear wall with the exterior wall insulation system according to claim 1, characterized in that: the outer side wall of the upper U-shaped steel (31) is fixedly connected with a guide rod (313) pointing to the ground, and the outer side wall of the lower U-shaped steel (32) is fixedly connected with a butt joint pipe (322) for inserting the guide rod (313).
4. The anti-seismic lightweight steel frame shear wall with the exterior wall insulation system according to claim 2, characterized in that: the outer wall insulation board is characterized in that a tensile steel wire mesh layer (13) is embedded in the outer wall insulation board (1), the area of the tensile steel wire mesh layer (13) is equal to that of the outer wall insulation board (1), and the tensile steel wire mesh layer (13) is attached to the side face, facing the tension rod (12), of the welding base (11).
5. The anti-seismic lightweight steel frame shear wall with the exterior wall insulation system according to claim 1, characterized in that: the cover is equipped with sealing rubber sleeve (34) on antidetonation pressure spring (33), the lateral wall extrusion in the inside wall of spliced eye (321) of sealing rubber sleeve (34), it has holding tank (3111) that is used for holding sealing rubber sleeve (34) top to open on fixed block (311).
6. The anti-seismic lightweight steel frame shear wall with the exterior wall insulation system according to claim 1, characterized in that: and polyurethane plate layers (52) are respectively hot-pressed on the upper surface and the lower surface of the cushion layer (5).
7. The anti-seismic lightweight steel frame shear wall with the exterior wall insulation system according to claim 6, characterized in that: the surfaces of the polyurethane plate layers (52) departing from the cushion pad layers (5) are respectively hot-pressed with tensile gridding cloth (53).
8. A construction process of an earthquake-proof light steel framework shear wall with an external wall thermal insulation system according to any one of claims 1 to 7 comprises the following steps:
s1, building the following U-shaped steel (32): the lower U-shaped steel (32) is embedded on the ground according to the design requirement, after the embedding is finished, the transverse ribs (4) are welded between the two rows of U-shaped steel, and the distance between the two rows of lower U-shaped steel (32) is limited;
s2, laying an outer wall heat insulation board (1) on the outer side surface of the lower U-shaped steel (32):
a. screwing the tensioning screw rod (16) to enable the tensioning screw rod (16) to face to enable one end, facing the outer side face of the embedded light steel framework (2), of the tensioning screw rod (16) to extend out of the guide pipe (14);
b. the outer wall insulation board (1) is attached to the outer side face of the embedded light steel framework (2), in the attaching process, the tension rod (12) is abutted to the transition seat (15), and a worker welds the tension rod (12) and the transition seat (15) into a whole in a welding mode;
c. a worker twists the tensioning screw (16), and the tensioning screw (16) drives the pull-in rod to enter the guide pipe (14), so that the outer wall insulation board (1) is firmly attached to the outer side surface of the embedded light steel framework (2);
s3, building a wall forming template of the inner side surface of the lower U-shaped steel (32): supporting a template at one side of the embedded light steel framework (2) far away from the outer insulation board, wherein in the supporting process of the template, when a tensioning screw (16) is encountered, a through hole for the tensioning screw (16) to pass through is formed in the template, and the through hole is connected with a sealing cover plate through a bolt to realize plugging;
s4, pouring a wall between two rows of lower U-shaped steel (32): pouring concrete into the space between the facing formwork and the outer wall heat insulation board (1), and pouring and tamping;
s5, paving a cushion layer (5): before concrete is solidified, a cushion layer (5) with a polyurethane plate layer (52) is laid on a plane formed by the lower U-shaped steel (32), and in the laying process, the abdicating hole (51) is communicated with the inserting hole (321), and meanwhile, the anti-pulling column (55) is inserted into the concrete;
s6, installing an anti-seismic compression spring (33): the anti-seismic compression spring (33) penetrates through the abdicating hole (51) and is placed in the inserting hole (321), meanwhile, a sealing rubber sleeve (34) is sleeved outside the anti-seismic compression spring (33), and the outer side wall of the sealing rubber sleeve (34) is extruded on the inner side walls of the inserting hole (321) and the abdicating hole (51);
s7, building U-shaped steel (31): aligning the guide rod (313) to the butt joint pipe (322), then putting down the U-shaped steel (31) by a worker to enable the plug-in post (312) to enter the plug-in hole (321), sleeving the anti-seismic compression spring (33) on the plug-in post (312) at the moment, and enabling the top end of the anti-seismic compression spring to abut against the mounting seat (321);
s8, paving an outer wall insulation board (1) on the outer side surface of the U-shaped steel (31): repeating the step S2 on the upper U-shaped steel (31);
s9, building a wall forming template of the inner side surface of the upper U-shaped steel (31): repeating the step S3 on the inner side surface of the upper U-shaped steel (31);
s10, pouring a wall between the two rows of upper U-shaped steel (31): pouring concrete into the space between the facing formwork and the outer wall insulation board (1) to form a wall structure;
s11, trimming excess materials: after the wall is formed and demolded, a worker saws off the excessive tension screw rods (16), and simultaneously fixes the sawn end faces of the tension screw rods (16) in the guide rods (313) in a welding mode to form an internal reinforcing structure of the wall.
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