CN114607069A - Built-in steel plate connecting column type double-steel-plate shear wall and mounting method thereof - Google Patents
Built-in steel plate connecting column type double-steel-plate shear wall and mounting method thereof Download PDFInfo
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- CN114607069A CN114607069A CN202210394254.0A CN202210394254A CN114607069A CN 114607069 A CN114607069 A CN 114607069A CN 202210394254 A CN202210394254 A CN 202210394254A CN 114607069 A CN114607069 A CN 114607069A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 241
- 239000010959 steel Substances 0.000 title claims abstract description 241
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Classifications
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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
- E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the 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
- 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
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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
- E04G21/14—Conveying or assembling building elements
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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 a built-in steel plate connecting column type double-steel-plate shear wall and an installation method thereof, and belongs to the field of structural engineering. The steel plate shear wall is composed of two outer steel plates, a plurality of built-in steel pipe columns arranged at the edges between the two steel plates, a plurality of connecting steel plates arranged in the middle of the built-in steel pipe columns, a plurality of connecting steel plates arranged between the steel pipe columns and light concrete filled in the connecting steel plates. The steel plates on the two sides are symmetrically arranged in parallel; the two outer steel plates are provided with vertical strip-shaped plug weld joint holes for connecting with each steel pipe plunger weld joint; the built-in steel pipe columns are connected by steel plates in a welding way; and light concrete is poured in the inner cavity of the steel pipe columns and the cavity between the steel pipe columns so as to improve the heat insulation performance and the energy consumption capability of the shear wall. The invention has good shearing rigidity and anti-seismic performance and also has enough vertical bearing capacity.
Description
Technical Field
The invention relates to the technical field of structural engineering, in particular to a built-in steel plate connecting column type double-steel-plate shear wall and an installation method thereof.
Background
Along with the continuous promotion of the current urbanization process of China, the demand on high-rise buildings is correspondingly improved. The steel frame-shear wall (core tube) structure system is more and more used in high-rise buildings due to the outstanding advantages of the steel frame-shear wall (core tube) structure system, the shear wall is used as an important component of the system, a concrete shear wall, a steel plate shear wall and the like can be adopted, and the research on the steel plate shear wall is greatly emphasized along with the development and scientific progress of the times. The research and application of the steel plate shear wall are continuously promoted to various stiffening single steel plate shear walls, buckling-restrained single steel plate shear walls and the current double steel plate shear walls from the single steel plate shear wall in the 70 s of the 20 th century. The double-steel-plate shear wall is a novel steel-plate shear wall formed by drawing and connecting two steel plates through internal stiffening ribs on the basis of a stiffening single-steel-plate shear wall.
At present, due to the fact that stiffening ribs arranged at intervals inside the double-steel-plate shear wall are welded with whole steel plates on two sides inconveniently, the double-steel-plate shear wall is divided into two main forms. The other method is to weld a stiffening rib and two parallel narrow steel plates to form an ultra-wide wing I-shaped shear wall unit, and then vertically weld the narrow steel plates butted with a plurality of shear wall units in sequence to form the integral shear wall. The shear wall units can be manufactured in a standardized manner in a factory, and the connection between the shear wall units can be completed in the factory or implemented in a construction site, so that the shear wall units are convenient to transport. And the other type is that a plurality of C-shaped steel and H-shaped steel are sequentially and vertically welded to form the integral double-steel-plate shear wall. Above-mentioned two kinds of two steel sheet shear force walls all need connect through many vertical through-going welding seams and form whole shear force wall, and welding work load is big, the welding defect control degree of difficulty is big to the shear force wall steel sheet is equivalent to being formed by many narrow steel sheet welding, compares complete steel sheet, and the atress ability weakens. In addition, the stiffening ribs between the double steel plates are equivalent to flat plates or corrugated plates, and the vertical bearing capacity is weak, so that the vertical bearing capacity of the integral double-steel-plate shear wall is insufficient.
Disclosure of Invention
The invention provides a built-in steel plate connecting column type double-steel-plate shear wall and an installation method thereof, aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical means:
the utility model provides a two steel sheet shear walls of built-in steel sheet connection column type which includes: two outer steel plates, a built-in steel pipe column assembly and light concrete filled in the steel pipe column assembly;
the built-in steel pipe column subassembly includes: the steel pipe columns are arranged at the two edges, and the steel pipe columns and the connecting steel plates are arranged in the middle between the steel pipe columns arranged at the edges;
the two outer steel plates are symmetrically arranged in front and back, and the built-in steel pipe column assembly is arranged inside the two outer steel plates;
the two steel pipe columns with built-in edges are respectively arranged at the left end part and the right end part of the outer steel plate, and the steel pipe column with built-in middle is arranged between the two steel pipe columns with built-in edges;
connecting steel plates are connected between the built-in steel pipe columns of the built-in steel pipe column assembly;
the built-in steel pipe column of the built-in steel pipe column assembly is fixedly connected with the outer steel plate;
and light concrete is poured in the inner cavity of the built-in steel pipe columns of the built-in steel pipe column assembly and the cavity between the built-in steel pipe columns.
Furthermore, the number of the middle built-in steel pipe columns is a plurality, and the middle built-in steel pipe columns are arranged at equal intervals.
Furthermore, the contact areas of the outer steel plate and the edge built-in steel pipe columns and the built-in middle column are symmetrically provided with intermittent vertical elongated plug weld holes, and the outer steel plate is connected with each built-in steel pipe column in a plug weld mode.
Furthermore, the edge built-in steel pipe column and the middle built-in steel pipe column are all rectangular steel pipes.
Furthermore, the two outer steel plates have the same size.
Further, the length-width ratio of the rectangular steel pipe is 1-3, the width-thickness ratio of the rectangular steel pipe is 9-15, the ratio of the width of the rectangular steel pipe in the thickness direction of the shear wall to the thickness of the shear wall is 0.65-0.85, and the ratio of the section length of the rectangular steel pipe to the distance between the rectangular steel pipes is 1-4.
Furthermore, the two edge built-in columns adopt rectangular steel pipes with the same size; a plurality of middle built-in columns all adopt rectangular steel pipes with the same size.
Furthermore, the connecting steel plates are the same in size, and the ratio of the thickness of the connecting steel plates to the wall thickness of the steel pipe column is 0.8-1.2.
A method for installing a built-in steel plate connection column type double-steel-plate shear wall is characterized in that the built-in steel plate connection column type double-steel-plate shear wall is the built-in steel plate connection column type double-steel-plate shear wall; the method comprises the following steps:
firstly, positioning an edge built-in steel pipe column and a middle built-in steel pipe column;
then, welding a connecting steel plate between adjacent built-in steel pipe columns; then the outer steel plate is connected with the edge built-in steel pipe column and the middle built-in steel pipe column through plug welding;
then, pouring lightweight concrete in the inner cavity of the steel pipe columns and the cavity between the steel pipe columns to form the column type double-steel-plate shear wall connected by the integrally-built steel plates
The advantages of the patent are mainly shown in the following aspects:
1. in order to solve the defects of the steel plate shear walls, the intermittent plug welding seam for the column type double-steel-plate shear wall connected by the steel plates, which is based on the concept of improving the elastic shear buckling load and the shear bearing capacity of the shear wall, replaces the through-height vertical butt welding seam between the steel plates of the steel plate shear wall, so that the welding construction is more convenient and the problem of weakening the performance of the steel plates is improved; the built-in steel pipe column is used for replacing the flat plate-shaped or corrugated stiffening rib, not only plays a role of the stiffening rib, but also bears the main force of the vertical load, so that the capability of the integral shear wall for bearing the vertical load is greatly improved; the steel pipe columns are connected by adopting steel plates, and the thickness of each cavity in the shear wall is uniform by reasonably controlling the thickness of the connecting steel plates, so that the overall performance is improved; pouring lightweight concrete in the inner cavity of the steel pipe columns and the cavity between the steel pipe columns to improve the shock resistance and the heat insulation performance of the shear wall; the steel structure part of the shear wall is completely processed and manufactured in a professional factory, and the quality is easy to control.
Based on the theory of improving outside steel sheet elasticity shear buckling load and its anti shear bearing capacity, this patent has set up a plurality of steel-pipe columns between two outside steel sheets, because the effective drawknot effect of steel-pipe column can restrict outside steel sheet outwards bulging is bent or inside buckling deformation, and then changes the buckling mode of whole wall body, makes the whole bucking of wall body become the local buckling between the steel-pipe column to effectively improve the steel sheet buckling threshold force that shears.
2. The steel pipe columns are arranged between the two outer steel plates, can participate in the side resistance of the shear wall together, are closed compared with a traditional pulling piece, have larger section modulus and stronger pulling effect, and can obviously improve the lateral rigidity of the shear wall, so that the steel pipe column is suitable for high-rise and super high-rise buildings; in the shear wall, the steel pipe column can also serve as a core stressed member to play a role of a framework, and the outer steel plate, the steel pipe column and the connecting steel plate form a multi-bending lateral force resisting member through plug welding with the outer steel plate and welding with the connecting steel plate, so that the lateral bearing capacity and the compressive bearing capacity of the structure can be effectively improved; the edge post is built-in to be favorable to guaranteeing welding quality, compares in that the edge post is external, more can reduce the deformation that the welding produced.
3. Connecting steel plates are arranged among the steel pipe columns, and the connecting steel plates and the steel pipe columns act synergistically to improve the compressive bearing capacity of the shear wall; by reasonably controlling the thickness of the connecting steel plate, the cross-sectional area of each cavity in the shear wall is close, the stress of each cavity is uniform, and the overall performance of the shear wall is improved.
4. The lightweight concrete in the shear wall cavity is made of lightweight materials, so that the self weight of the structure can be greatly reduced, and the earthquake action is reduced; the lightweight concrete has low elastic modulus, and can quickly disperse and absorb energy released by earthquake waves during an earthquake, thereby achieving a good shock absorption effect; the lightweight concrete has good heat insulation performance, and can remarkably improve the heat insulation performance of the shear wall; the double-side steel plates can be used as concrete templates, so that a formwork supporting procedure is omitted, and the construction period is shortened.
5. Based on the concepts of easy processing and industrialization, the shear wall mounting structure and the construction process are simple, the integral manufacture of the shear wall can be completed in a factory, the construction period is greatly shortened, the possible errors in site construction are effectively avoided, and meanwhile, the environmental pollution of the construction site is reduced.
6. The application patent wall body cross-section is little, can increase indoor usable floor area. The edge column is arranged in the outer steel plate, so that the problem of column protrusion is effectively solved, the indoor space is saved, and the edge column has good attractiveness.
Drawings
The invention will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the invention is not restricted.
FIG. 1 is a three-dimensional view of a built-in steel plate connection column type double-layer steel plate shear wall according to the invention;
FIG. 2 is a split view of a double-layer steel plate shear wall with built-in steel plate connection columns according to the invention;
FIG. 3 is a front view of a double-layer steel plate shear wall with built-in steel plate connection columns according to the present invention;
fig. 4 is a cross-sectional view of a double-layer steel plate shear wall with built-in steel plate connection columns according to the invention.
Detailed Description
Embodiments of the present patent are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, a double-layer steel plate shear wall with built-in steel plate connection columns comprises the following components:
1, arranging a steel pipe column in the edge;
2, arranging steel pipe columns in the middle of the steel pipe columns;
3-connecting steel plates;
4-outer steel plate;
5, vertical long strip plug weld holes;
6-lightweight concrete.
As shown in fig. 1 to 4, a double-deck steel sheet shear wall of built-in steel sheet connection column type includes: the steel pipe column comprises an edge built-in steel pipe column 1, a middle built-in steel pipe column 2, a connecting steel plate 3 and an outer steel plate 4;
during installation:
positioning the edge built-in steel pipe column 1 and the middle built-in steel pipe column 2;
then, welding a connecting steel plate 3 between adjacent built-in steel pipe columns; then the outer steel plate 4 is connected with the edge built-in steel pipe column 1 and the middle built-in steel pipe column 2 through plug welding seams 5 in a plug welding mode;
then, light concrete 6 is poured into the inner cavity of the steel pipe columns and the cavity between the steel pipe columns to form the column type double-steel-plate shear wall integrally connected by the built-in steel plates.
Claims (9)
1. The utility model provides a two steel sheet shear force walls of built-in steel sheet connection column type which characterized in that: it includes: the steel plate is arranged on the two outer sides of the steel plate, the built-in steel pipe column assembly is arranged on the steel plate, and light concrete is filled in the steel plate;
the built-in steel pipe column subassembly includes: the steel pipe columns are arranged at the two edges, and the steel pipe columns and the connecting steel plates are arranged in the middle between the steel pipe columns arranged at the edges;
the two outer steel plates are symmetrically arranged in front and back, and the built-in steel pipe column assembly is arranged inside the two outer steel plates;
the two steel pipe columns with built-in edges are respectively arranged at the left end part and the right end part of the outer steel plate, and the steel pipe column with built-in middle is arranged between the two steel pipe columns with built-in edges;
connecting steel plates are connected between the built-in steel pipe columns of the built-in steel pipe column assembly;
the built-in steel pipe column of the built-in steel pipe column assembly is fixedly connected with the outer steel plate;
and light concrete is poured in the inner cavity of the built-in steel pipe columns of the built-in steel pipe column assembly and the cavity between the built-in steel pipe columns.
2. The built-in steel plate connection column type double-steel plate shear wall according to claim 1, characterized in that: the number of the middle built-in steel pipe columns is a plurality, and the middle built-in steel pipe columns are arranged at equal intervals.
3. The built-in steel plate connection column type double-steel plate shear wall according to claim 1, characterized in that: the contact areas of the outer steel plate and the edge built-in steel pipe columns and the built-in middle column are symmetrically provided with intermittent vertical elongated plug weld holes, and the outer steel plate is connected with each built-in steel pipe column in a plug weld mode.
4. The built-in steel plate connection column type double-steel plate shear wall as claimed in claim 2, wherein: the edge built-in steel pipe column and the middle built-in steel pipe column are all rectangular steel pipes.
5. The built-in steel plate connection column type double-steel plate shear wall according to claim 4, characterized in that: the two outside steel plates have the same size.
6. The built-in steel plate connection column type double-steel plate shear wall according to claim 4, characterized in that: the length-width ratio of the rectangular steel pipe is 1-3, the width-thickness ratio of the rectangular steel pipe is 9-15, the ratio of the width of the rectangular steel pipe in the thickness direction of the shear wall to the thickness of the shear wall is 0.65-0.85, and the ratio of the section length of the rectangular steel pipe to the distance between the rectangular steel pipes is 1-4.
7. The built-in steel plate connection column type double-steel-plate shear wall as claimed in claim 1, wherein: the two edge built-in columns adopt rectangular steel pipes with the same size; a plurality of middle built-in columns all adopt rectangular steel pipes with the same size.
8. The built-in steel plate connection column type double-steel plate shear wall according to claim 1, characterized in that: the connecting steel plates are same in size, and the ratio of the thickness of the connecting steel plates to the wall thickness of the steel pipe column is 0.8-1.2.
9. A method for installing a built-in steel plate connection column type double-steel plate shear wall is characterized in that the built-in steel plate connection column type double-steel plate shear wall is the built-in steel plate connection column type double-steel plate shear wall according to claim 3; the method comprises the following steps:
firstly, positioning an edge built-in steel pipe column and a middle built-in steel pipe column;
then, welding a connecting steel plate between adjacent built-in steel pipe columns; then the outer steel plate is connected with the edge built-in steel pipe column and the middle built-in steel pipe column through plug welding seams in a plug welding mode;
then, light concrete is poured into the inner cavity of the steel pipe columns and the cavity between the steel pipe columns to form the column type double-steel-plate shear wall connected by the integrally-built steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210394254.0A CN114607069A (en) | 2022-04-14 | 2022-04-14 | Built-in steel plate connecting column type double-steel-plate shear wall and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210394254.0A CN114607069A (en) | 2022-04-14 | 2022-04-14 | Built-in steel plate connecting column type double-steel-plate shear wall and mounting method thereof |
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| Publication Number | Publication Date |
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| CN114607069A true CN114607069A (en) | 2022-06-10 |
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| CN202210394254.0A Pending CN114607069A (en) | 2022-04-14 | 2022-04-14 | Built-in steel plate connecting column type double-steel-plate shear wall and mounting method thereof |
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|---|---|---|---|---|
| CN103485441A (en) * | 2013-09-10 | 2014-01-01 | 华南理工大学 | Combined shearing wall |
| CN105863107A (en) * | 2016-04-05 | 2016-08-17 | 天津城建大学 | Sandwich-pipe low-yield-point steel plate shear wall and manufacturing method |
| CN106368348A (en) * | 2016-09-08 | 2017-02-01 | 重庆大学 | Overlapped combined shear wall with double-phase stress characteristic |
| CN206070803U (en) * | 2016-07-22 | 2017-04-05 | 中国建筑第八工程局有限公司 | The close post steel plate energy-consuming shear wall structure of L-shaped concrete filled steel tube |
| CN107514076A (en) * | 2017-09-27 | 2017-12-26 | 杭州铁木辛柯建筑结构设计事务所有限公司 | Exempt from the steel plate shear force wall that bearing capacity is only sheared |
| CN108005267A (en) * | 2018-01-03 | 2018-05-08 | 浙江绿筑集成科技有限公司 | A kind of yi word pattern assembled stem steel plate shear force wall and its assembling constructing method |
| CN111119379A (en) * | 2020-01-20 | 2020-05-08 | 广州大学 | Multi-cavity steel plate built-in steel pipe high-strength concrete shear wall |
| CN212336425U (en) * | 2020-09-15 | 2021-01-12 | 大连理工大学 | Double-corrugated steel plate shear wall with built-in vertical seam steel plates connected at two sides |
| CN112681568A (en) * | 2020-12-25 | 2021-04-20 | 重庆涛扬绿建科技有限公司 | Full-prefabricated steel tube concrete shear wall and building structure system |
| CN113279501A (en) * | 2021-04-30 | 2021-08-20 | 广东省建筑设计研究院有限公司 | Steel pipe and steel plate concrete shear wall structure with support rows |
-
2022
- 2022-04-14 CN CN202210394254.0A patent/CN114607069A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485441A (en) * | 2013-09-10 | 2014-01-01 | 华南理工大学 | Combined shearing wall |
| CN105863107A (en) * | 2016-04-05 | 2016-08-17 | 天津城建大学 | Sandwich-pipe low-yield-point steel plate shear wall and manufacturing method |
| CN206070803U (en) * | 2016-07-22 | 2017-04-05 | 中国建筑第八工程局有限公司 | The close post steel plate energy-consuming shear wall structure of L-shaped concrete filled steel tube |
| CN106368348A (en) * | 2016-09-08 | 2017-02-01 | 重庆大学 | Overlapped combined shear wall with double-phase stress characteristic |
| CN107514076A (en) * | 2017-09-27 | 2017-12-26 | 杭州铁木辛柯建筑结构设计事务所有限公司 | Exempt from the steel plate shear force wall that bearing capacity is only sheared |
| CN108005267A (en) * | 2018-01-03 | 2018-05-08 | 浙江绿筑集成科技有限公司 | A kind of yi word pattern assembled stem steel plate shear force wall and its assembling constructing method |
| CN111119379A (en) * | 2020-01-20 | 2020-05-08 | 广州大学 | Multi-cavity steel plate built-in steel pipe high-strength concrete shear wall |
| CN212336425U (en) * | 2020-09-15 | 2021-01-12 | 大连理工大学 | Double-corrugated steel plate shear wall with built-in vertical seam steel plates connected at two sides |
| CN112681568A (en) * | 2020-12-25 | 2021-04-20 | 重庆涛扬绿建科技有限公司 | Full-prefabricated steel tube concrete shear wall and building structure system |
| CN113279501A (en) * | 2021-04-30 | 2021-08-20 | 广东省建筑设计研究院有限公司 | Steel pipe and steel plate concrete shear wall structure with support rows |
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