CN108277904B - Assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall - Google Patents
Assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall Download PDFInfo
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- CN108277904B CN108277904B CN201810223341.3A CN201810223341A CN108277904B CN 108277904 B CN108277904 B CN 108277904B CN 201810223341 A CN201810223341 A CN 201810223341A CN 108277904 B CN108277904 B CN 108277904B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 135
- 239000010959 steel Substances 0.000 title claims abstract description 135
- 239000011381 foam concrete Substances 0.000 title claims abstract description 41
- 239000004567 concrete Substances 0.000 claims abstract description 70
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 238000004321 preservation Methods 0.000 abstract description 7
- 238000010008 shearing Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
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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
- E04B2/562—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Panels For Use In Building Construction (AREA)
- Door And Window Frames Mounted To Openings (AREA)
Abstract
The invention relates to an assembled lattice type light steel frame-reinforcing mesh-foamed concrete combined wall. According to the invention, the steel pipe concrete frame columns, the steel pipe concrete frame beams and the wall steel pipe concrete ribs are combined to form the light steel frame lattices of the wall board, and form the combined wall steel frame together with the reinforcing mesh, so that the integrity of the wall board is improved. The assembled combined wall structure integrates heat preservation, has better bending resistance, shearing resistance and plane external rigidity, and good anti-seismic performance, and meanwhile, the wall boards are produced by factories and assembled on site, so that the common quality problems caused by site construction are effectively solved, the engineering construction efficiency is greatly improved, the engineering labor is reduced, and the assembled combined wall structure is suitable for being widely popularized and applied in low-multi-layer rural house structures in villages and small towns.
Description
Technical Field
The invention belongs to the technical field of manufacturing of assembled combined walls in building structure engineering, and particularly relates to an assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall and a manufacturing method thereof.
Background
At present, China is in a novel urbanization and new rural construction brisk development period, and a large amount of new rural construction and urgent new rural reconstruction targets lead simple integrated houses and low-rise fabricated houses to be developed in low-rise multi-storey rural house structures. In the present stage, the beam column frame formed by steel structural members or reinforced concrete structural members is mostly adopted by the integrated house and the fabricated house as a main stress system of the house structure, and the wall body is an external wall panel or a filler wall, so that the integrated house and the fabricated house have the excellent characteristics of convenience in disassembly and assembly, flexibility in layout, short construction period and the like. Meanwhile, as main components of the house structure, the external wall board and the filling wall board can only be used as an enclosure component of the house and can not participate in stress, the problems of low bearing capacity, poor ductility and frequent brittle failure of the house structure exist, the whole house also has the problems of poor stability and poor anti-seismic capacity, and thus the application of the integrated house and the fabricated house in the house is greatly restricted.
The building amount of villages and towns in China accounts for 60% of the total building amount of China, most of the rural houses are located in earthquake-resistant fortification areas, how to reasonably design and utilize the wall bodies, improve the bearing capacity of low-rise integrated houses and prefabricated houses, enhance the earthquake resistance of the low-rise integrated houses and the prefabricated houses, and not influence the advantage of flexible spatial layout of the low-rise integrated houses and the prefabricated houses, the wall bodies with the bearing capacity and the earthquake resistance function are applied to low-rise buildings, particularly to the low-rise rural farm house structure in the new rural construction period, and the method is the key for promoting novel urbanization and new.
Therefore, the development of the assembled combined wall which is economical, practical, low in manufacturing cost and simple and convenient to construct and is suitable for low-rise buildings, particularly low-rise rural farmhouse structures in villages and small towns has very important practical significance and social and economic values.
Disclosure of Invention
The invention provides an assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall, provides a construction method of a structural heat-preservation integrated assembled wall for low-rise integrated houses and assembled houses, has better bearing capacity and shock resistance compared with the traditional assembled wall, is suitable for being widely popularized in low-rise buildings with shock resistance fortification requirements, particularly low-rise rural houses in villages and small towns, and solves the problems that the structure of the existing rural houses lacks shock resistance measures and the shock resistance is weak. Meanwhile, the components are easy to assemble and construct on site, and the development target of new rural construction can be promoted to be completed.
In order to achieve the purpose, the invention adopts the following technical scheme:
an assembled lattice type light steel frame-reinforcing mesh-foamed concrete combined wall comprises steel pipe concrete frame columns (1), steel pipe concrete frame beams (2), reinforcing meshes (3), wall steel pipe concrete ribs (4), foamed concrete (5), connecting end plates (6) and connecting bolts (7); respectively welding and connecting end plates (6) at the positions of the top and the base of the steel pipe concrete frame column (1), and prefabricating bolt holes on the connecting end plates (6); the steel pipe concrete frame columns (1) are welded with the steel pipe concrete frame beams (2) to form a combined wall light steel frame, a reinforcing mesh (3) is welded inside the frame, then horizontal and vertical wall steel pipe concrete ribs (4) are arranged on two sides of the reinforcing mesh, and two ends of each wall steel pipe concrete rib (4) are welded and fixed with the combined wall light steel frame, so that a combined wall steel frame is formed; the wall board foamed concrete (5) is poured by the formwork, and an assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall is formed after curing; during assembly, the combined wall is connected with an external structure through a connecting bolt (7).
The assembled lattice type light steel frame-reinforcing mesh-foamed concrete combined wall is characterized in that:
the steel pipe concrete frame column (1) and the steel pipe concrete frame beam (2) are square or rectangular steel pipes, the wall thickness of each steel pipe is not more than 8mm, the side length of the section of each steel pipe is not less than 50mm, and concrete is filled in the steel pipes. The steel pipe concrete has higher shearing bearing capacity, and the steel pipe concrete frame column (1) and the steel pipe concrete frame beam (2) are welded to form the combined wall light steel frame, so that the shearing strength of the wallboard is obviously improved.
The diameter of the steel bar used by the steel bar mesh (3) is not less than 4mm, the spacing between the steel bars is not less than 50mm, the steel bars are vertically arranged and fixed to form an orthogonal steel bar mesh, and the steel bar mesh (3) is singly laid in the combined wall and is simultaneously poured in the middle of the foamed concrete (5). The reinforcing mesh (3) can be formed by welding reinforcing steel bars in a factory through a spot welding machine, the welding program is controlled by a computer, the welding meshes are uniform, the welding quality is good, and the mechanical properties of the reinforcing steel bars before and after welding are unchanged.
The wall steel pipe concrete ribs (4) are formed by filling concrete into square or rectangular steel pipes, the wall thickness of the steel pipes is not more than 5mm, and the horizontal and vertical wall steel pipe concrete ribs (4) on the two sides of the reinforcing mesh (3) are vertical to each other and form wall plate sashes together with the wall light steel frame frames; when the foamed concrete (5) is poured, the steel pipe concrete ribs (4) are partially or completely poured in the wall board. Due to the arrangement of the wall steel pipe concrete ribs (4), the bending resistance, the shearing resistance and the out-of-plane bearing capacity of the wallboard are increased, and the anti-seismic level of the wallboard is improved.
The pouring thickness of the wallboard foamed concrete (5) is not less than 60 mm. According to the engineering requirement, adding the required admixture to prepare the foaming concrete with the performance required by the engineering. The foaming concrete forms a large number of closed foam holes in the concrete, realizes the light weight and the heat preservation and insulation of the building filling material, is a novel light heat preservation material, obviously reduces the weight of the member, and is convenient to transport and install.
The thickness of the steel plate adopted by the connecting end plate (6) is not less than 6mm, and bolt holes corresponding to the aperture of the connecting bolts (7) are machined in the connecting end plate. When the connecting end plate (6) is welded with the steel pipe concrete frame column (1), the reinforcing rib can be welded to strengthen the connection.
The connecting bolts (7) are not less than M16, the strength is not less than 8.8 grade, and when the combined wall is installed, the number of the connecting bolts (7) on each connecting end plate (6) is not less than 4.
Compared with the prior art, the assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall has the following advantages:
(1) the assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall provided by the invention is used as a stressed member in the structure, has bearing and anti-seismic capabilities, is suitable for being widely popularized in low multi-storey buildings with anti-seismic fortification requirements, particularly low multi-storey rural houses in villages, and can promote the completion of the development target of new rural construction.
(2) The combined wall is selectively arranged in the column network as an anti-seismic unit and is arranged at the weak stress position of the low-rise building structure, so that the lateral rigidity and the anti-seismic capacity of the building structure are increased, and the building bay and the layout are not influenced.
(3) The steel pipe concrete frame columns, the steel pipe concrete frame beams and the wall body steel pipe concrete ribs form light steel frame lattices of the wallboard, the damage and damage form of the wall body is changed, and the bearing capacity and the ductility of the wall body can be effectively improved.
(4) The design of the steel tube concrete frame beam column-shaped wall body light steel frame improves the integrity of the wallboard, makes up the problem that the use of the concrete thin wallboard is influenced by the angle knocking and the cracking which are easily caused in the hoisting, transporting and constructing processes at the frame position of the concrete thin wallboard component, and improves the quality of the assembled wallboard.
(5) The steel pipe concrete and the reinforcing mesh form the design of the steel skeleton of the wall plate, so that the bending resistance, the shearing resistance and the out-of-plane bearing capacity of the wall plate are increased, and the anti-seismic performance of the wall plate is improved.
(6) The novel building material foamed concrete is adopted, a large number of closed hole structures are arranged in the foamed concrete, the lightweight and heat preservation and insulation of the building filling material are realized, the novel light heat preservation material is a novel light heat preservation material, the weight of the component is obviously reduced, and the transportation and the installation are convenient. Meanwhile, the foamed concrete also has the advantages of sound insulation, fire resistance, water resistance, environmental protection, good durability and the like, and is a novel building material which is rapidly developed and popularized.
(7) The traditional anti-seismic wall is mostly a cast-in-place component, the combined wall is an assembled component, the combined wall is prefabricated in a factory, the pouring quality of the wallboard is guaranteed, the combined wall is directly installed on a building site, resources are effectively saved, energy consumption is reduced, and meanwhile, the construction time is greatly shortened. The assembled structure can quickly and effectively improve the earthquake resistance of the house, and has great promotion effect on realizing housing industrialization and urbanization construction. Is a research and development result of a novel combined structure agricultural house technology, and has an important role in promoting the improvement of the traditional agricultural house structure technology.
Description of the drawings:
fig. 1 is a partial schematic view of an assembled lattice type light steel frame-reinforcing mesh-foamed concrete composite wall;
FIG. 2 is a schematic view of the assembled lattice type light steel frame-steel bar mesh-foamed concrete combined wall steel frame;
fig. 3 is a diagram showing the assembly effect of the assembled lattice type light steel frame-reinforcing mesh-foamed concrete composite wall.
In the figure: 1-a steel pipe concrete frame column; 2-a steel pipe concrete frame beam; 3-reinforcing mesh; 4-wall steel pipe concrete ribs; 5-foaming concrete; 6-connecting the end plate; 7-connecting bolt.
The specific implementation mode is as follows:
the invention discloses an assembled lattice type light steel frame-reinforcing mesh-foamed concrete combined wall, which is prepared by combining the following steps of 1-3:
the first step is as follows: pouring concrete in the steel pipes and curing to form the steel pipe concrete frame columns, the steel pipe concrete frame beams and the wall steel pipe concrete ribs of the wallboard; processing bolt holes corresponding to the diameters of the connecting bolts on the connecting end plates, and then respectively welding the connecting end plates to the top and the bottom of each steel pipe concrete frame column; and welding the steel pipe concrete frame column and the steel pipe concrete frame beam to form the light steel frame of the combined wall.
The second step is that: and welding a reinforcing mesh in the combined wall light steel frame, arranging horizontal and vertical wall steel pipe concrete ribs on two sides of the reinforcing mesh, and welding and fixing two ends of each rib on the combined wall light steel frame to form the combined wall steel frame.
The third step: and manufacturing a wallboard pouring template, configuring foamed concrete, pouring the wallboard foamed concrete, and curing to form the assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall. When the combined wall is assembled, the combined wall is installed and connected with an external structure through a connecting bolt.
The above is a typical embodiment of the present invention, but the implementation of the present invention is not limited thereto. The dimensions of the structures and the selection of the materials listed in the invention can be selected according to actual needs, and are not listed.
Claims (8)
1. Assembled frame type light steel frame-reinforcing bar net-foaming concrete composite wall, its characterized in that: the concrete-filled steel tube frame comprises steel tube concrete frame columns (1), steel tube concrete frame beams (2), a reinforcing mesh (3), wall steel tube concrete ribs (4), foamed concrete (5), connecting end plates (6) and connecting bolts (7); respectively welding and connecting end plates (6) at the positions of the top and the base of the steel pipe concrete frame column (1), and prefabricating bolt holes on the connecting end plates (6); the steel pipe concrete frame columns (1) are welded with the steel pipe concrete frame beams (2) to form a combined wall light steel frame, a reinforcing mesh (3) is welded inside the frame, then horizontal and vertical wall steel pipe concrete ribs (4) are arranged on two sides of the reinforcing mesh, and two ends of each wall steel pipe concrete rib (4) are welded and fixed with the combined wall light steel frame, so that a combined wall steel frame is formed; the wall board foamed concrete (5) is poured by the formwork, and an assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall is formed after curing; during assembly, the combined wall is connected with the external frame structure beam through the connecting bolt (7).
2. The fabricated sash-type light steel frame-reinforcing mesh-foamed concrete composite wall as claimed in claim 1, wherein: the steel pipe concrete frame column (1) and the steel pipe concrete frame beam (2) are rectangular steel pipes, the wall thickness of each steel pipe is not more than 8mm, the side length of the section of each steel pipe is not less than 50mm, and concrete is filled in the steel pipes.
3. The fabricated sash-type light steel frame-reinforcing mesh-foamed concrete composite wall as claimed in claim 1, wherein: the diameter of the steel bar used by the steel bar mesh (3) is not less than 4mm, the spacing between the steel bars is not less than 50mm, the steel bars are vertically arranged and fixed to form an orthogonal steel bar mesh, and the steel bar mesh (3) is singly laid in the combined wall and is simultaneously poured in the middle of the foamed concrete (5).
4. The fabricated sash-type light steel frame-reinforcing mesh-foamed concrete composite wall as claimed in claim 1, wherein: the wall steel pipe concrete ribs (4) are formed by filling rectangular steel pipes with concrete, the wall thickness of the steel pipes is not more than 5mm, and the horizontal and vertical wall steel pipe concrete ribs (4) on the two sides of the reinforcing mesh (3) are mutually vertical and are combined with the wall light steel frame frames to form wall panel lattices; when the foamed concrete (5) is poured, the wall steel pipe concrete ribs (4) are partially or completely poured in the wall board.
5. The fabricated sash-type light steel frame-reinforcing mesh-foamed concrete composite wall as claimed in claim 1, wherein: the pouring thickness of the foamed concrete (5) is not less than 60 mm.
6. The fabricated sash-type light steel frame-reinforcing mesh-foamed concrete composite wall as claimed in claim 1, wherein: the thickness of the steel plate adopted by the connecting end plate (6) is not less than 6mm, and bolt holes corresponding to the aperture of the connecting bolts (7) are machined in the connecting end plate.
7. The fabricated sash-type light steel frame-reinforcing mesh-foamed concrete composite wall as claimed in claim 1, wherein: the connecting bolts (7) are not less than M16, the strength is not less than 8.8 grade, and when the combined wall is installed, the number of the connecting bolts (7) on each connecting end plate (6) is not less than 4.
8. The fabricated lattice-type light steel frame-reinforcing mesh-foamed concrete composite wall according to any one of claims 1 to 7, which is manufactured by the following method:
the first step is as follows: pouring concrete in the steel pipes and curing to form the steel pipe concrete frame columns, the steel pipe concrete frame beams and the wall steel pipe concrete ribs of the wallboard; processing bolt holes corresponding to the diameters of the connecting bolts on the connecting end plates, and then respectively welding the connecting end plates to the top and the bottom of each steel pipe concrete frame column; welding the steel pipe concrete frame column and the steel pipe concrete frame beam to form a light steel frame of the combined wall;
the second step is that: welding a reinforcing mesh in the combined wall light steel frame, then arranging horizontal and vertical wall steel pipe concrete ribs on two sides of the reinforcing mesh, and welding and fixing two ends of each rib on the combined wall light steel frame to form a combined wall steel frame;
the third step: manufacturing a wallboard pouring template, configuring foamed concrete, pouring the wallboard foamed concrete, and curing to form the assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall; when the combined wall is assembled, the combined wall and the external frame structure beam are installed and connected through the connecting bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810223341.3A CN108277904B (en) | 2018-03-19 | 2018-03-19 | Assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall |
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| CN201810223341.3A CN108277904B (en) | 2018-03-19 | 2018-03-19 | Assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall |
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| CN108277904A CN108277904A (en) | 2018-07-13 |
| CN108277904B true CN108277904B (en) | 2020-09-25 |
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| CN201810223341.3A Expired - Fee Related CN108277904B (en) | 2018-03-19 | 2018-03-19 | Assembled frame type light steel frame-reinforcing mesh-foamed concrete combined wall |
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| CN112343172B (en) * | 2020-11-02 | 2022-04-22 | 浙江高盛钢结构有限公司 | Assembled steel structure house body and assembling process |
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| US4472919A (en) * | 1982-05-19 | 1984-09-25 | Con-Tex Elements, Inc. | Prefabricated building panel |
| JPH10176378A (en) * | 1996-12-18 | 1998-06-30 | Maeda Corp | Installation structure of earthquakeproofing wall |
| CN1995579A (en) * | 2006-12-29 | 2007-07-11 | 北京工业大学 | Steel pipe concrete frame-steel truss-concrete combined shear wall and its manufacture method |
| CN101457560A (en) * | 2008-12-19 | 2009-06-17 | 北京工业大学 | Section steel concrete- punched steel plate-concrete combined shear wall and method for producing the same |
| CN104746773A (en) * | 2015-03-27 | 2015-07-01 | 海南大学 | Prefabricated assembled type self-resetting shear wall structure |
| CN106869367A (en) * | 2017-03-29 | 2017-06-20 | 天津大学 | A kind of concrete filled steel tube organ timbering shear wall with type steel support and preparation method thereof |
| CN208267162U (en) * | 2018-03-19 | 2018-12-21 | 北京工业大学 | Assembled sash type light steel frame-steel mesh-foamed concrete faced wall |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201103B (en) * | 2015-10-09 | 2018-07-31 | 北京工业大学 | A kind of assembled band frame ribbing steel plate shear force wall |
| CN105696730A (en) * | 2016-04-20 | 2016-06-22 | 福州大学 | Concrete-filled steel tube frame column-steel plate shear wall system and construction method |
-
2018
- 2018-03-19 CN CN201810223341.3A patent/CN108277904B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4472919A (en) * | 1982-05-19 | 1984-09-25 | Con-Tex Elements, Inc. | Prefabricated building panel |
| JPH10176378A (en) * | 1996-12-18 | 1998-06-30 | Maeda Corp | Installation structure of earthquakeproofing wall |
| CN1995579A (en) * | 2006-12-29 | 2007-07-11 | 北京工业大学 | Steel pipe concrete frame-steel truss-concrete combined shear wall and its manufacture method |
| CN101457560A (en) * | 2008-12-19 | 2009-06-17 | 北京工业大学 | Section steel concrete- punched steel plate-concrete combined shear wall and method for producing the same |
| CN104746773A (en) * | 2015-03-27 | 2015-07-01 | 海南大学 | Prefabricated assembled type self-resetting shear wall structure |
| CN106869367A (en) * | 2017-03-29 | 2017-06-20 | 天津大学 | A kind of concrete filled steel tube organ timbering shear wall with type steel support and preparation method thereof |
| CN208267162U (en) * | 2018-03-19 | 2018-12-21 | 北京工业大学 | Assembled sash type light steel frame-steel mesh-foamed concrete faced wall |
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