CN110872873A - Steel frame shear wall structure system and implementation method thereof - Google Patents
Steel frame shear wall structure system and implementation method thereof Download PDFInfo
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- CN110872873A CN110872873A CN201911139256.XA CN201911139256A CN110872873A CN 110872873 A CN110872873 A CN 110872873A CN 201911139256 A CN201911139256 A CN 201911139256A CN 110872873 A CN110872873 A CN 110872873A
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- steel
- shear wall
- concrete
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- precast concrete
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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
- 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
- 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
- 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
- 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
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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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
- E04H9/024—Structures with steel columns and beams
Abstract
The invention discloses a steel frame shear wall structure system and an implementation method thereof. The assembled integral shear wall consists of two prefabricated wall boards, stressed reinforcing steel bars and cast-in-place concrete. The prefabricated wall boards are firstly positioned and installed on site through the embedded angle steels and the steel columns, then the distributed and stressed reinforcing steel bars are arranged inside the two wall boards, and finally concrete is poured in the wall boards, so that the integral structure of the steel columns, the prefabricated wall boards and the core shear wall is formed. The structural system has good lateral stiffness on the premise of not increasing the section of the steel member, and the prefabricated wallboard can replace a template in the traditional process, so that the working efficiency of a construction site is greatly improved. The invention can realize the standardization and modularization of building structural components, meet the industrialization requirement of building assembly and can be widely applied to high-rise steel structure buildings.
Description
Technical Field
The invention relates to a steel frame shear wall structure system and an implementation method thereof, and belongs to the technical field of structural engineering.
Background
The prefabricated structure is a product of industrial mass production, and has the advantages of fast construction rhythm, good product quality, low budget cost, high construction efficiency, simple production process and the like. The prefabricated components are easy to produce and maintain, high in economic benefit and wide in application range, and accord with the current building industrialization development trend in China. The steel frame can well realize the prefabrication and assembly of the structure, has the characteristics of large building space, flexible arrangement and the like, but has relatively insufficient lateral stiffness for a high-rise building structure. The reinforced concrete shear wall can effectively improve the lateral stiffness of the structure, improve the seismic performance of the structure and have better economic benefit, but the traditional shear wall process needs a series of complicated process flows such as formwork erection, support, maintenance, form removal and the like, cannot be synchronously assembled and constructed with a steel frame, and the connection between the prefabricated shear wall and the steel frame is not reliable and stable enough, so that the integrity of a structure system is difficult to ensure.
Disclosure of Invention
The invention provides a steel frame shear wall structure system, which can realize the prefabrication and assembly of the system and is reliable in integrity.
A steel frame shear wall structure system comprises a structure stress system, wherein the structure stress system comprises a steel frame structure, and the steel frame structure comprises a prefabricated steel column and a steel beam, wherein the prefabricated steel column is vertically arranged, and the steel beam is perpendicular to the prefabricated steel column; the reinforced concrete shear wall comprises precast concrete wallboards, wherein a plurality of distribution and stress reinforcing steel bars are arranged in two adjacent precast concrete wallboards, and the distribution and stress reinforcing steel bars are respectively arranged into horizontal reinforcing steel bars and vertical reinforcing steel bars;
and the concrete blocks are positioned in the hollow areas of the two adjacent precast concrete wallboards.
The precast concrete wallboard is a reinforced concrete slab, and angle steel for being connected with the steel column in a welding mode is pre-buried in each precast concrete wallboard.
The prefabricated steel column connected with the reinforced concrete shear wall is an H-shaped steel lattice column, the section size of the H-shaped steel lattice column is 150mm multiplied by 150mm, the thickness of the prefabricated concrete wall plate is 50mm, and the thickness of the whole shear wall is 250 mm.
The height of precast concrete wallboard is 600mm, sets up in prefabricated steel column both sides, and the setting of staggering of concatenation seam of both sides precast concrete board wall.
Two adjacent steel columns and two adjacent precast concrete wallboards form a transverse closed space, and the transverse closed space is filled with pump concrete.
And the stressed reinforcing steel bars longitudinally arranged in the concrete shear wall are bound in layers.
Another object of the present invention is to provide a method for implementing a steel frame shear wall structural system.
An implementation method of a steel frame shear wall structure system comprises the following steps:
s1, assembling and mounting the prefabricated H-shaped steel lattice column and the steel beam; the assembly mode is welding or high-strength bolt connection;
s2, the thickness of the precast concrete wallboard is 50mm, the height of the precast concrete wallboard is 600mm, and grid steel bars are placed in the precast concrete wallboard during prefabrication;
s3, assembling and mounting the precast concrete wallboard on site through embedded angle steel and steel columns, and arranging rubber plugs at two ends of the wallboard;
s4, welding the precast concrete wall panels on site through precast connecting components, and alternately installing the precast concrete wall panels upwards;
s5, binding horizontal steel bars and vertical steel bars of the reinforced concrete shear wall on site when the precast concrete wallboard is installed, and connecting and fixing the horizontal steel bars and the vertical steel bars through grid steel bars and S-shaped binding steel bars;
s6, after the prefabricated concrete wall panel is installed on one layer, pouring concrete into the prefabricated concrete wall panel by pumping, and vibrating after the prefabricated concrete wall panel is densely filled;
and S7, arranging steel structure fireproof containment plates at the positions except the reinforced concrete shear wall.
The invention has the following advantages:
the steel frame shear wall structure system provided by the invention integrates the advantages of two structures, namely the steel frame and the shear wall body, can realize the prefabrication and assembly of the system, has better integrity, and can greatly improve the lateral stiffness and the seismic performance of the structure by arranging the double lateral force resisting structure system formed by the steel frame and the shear wall body. Due to the existence of the cast-in-place shear wall in the core area, the steel frame system overcomes the defect of insufficient lateral stiffness in the high-rise building, and can be widely used in the high-rise building.
The invention is different from the conventional wall body in that the prefabricated concrete wall panel is adopted to replace a template in the conventional wall body, and more field installation modes are adopted, which is different from the conventional installation process.
Drawings
FIG. 1 is a schematic vertical section of the present invention;
FIG. 2 is a schematic plan view of the present invention;
in the figure, 1, a concrete block; 2. grid reinforcing steel bars; 3. prefabricating a concrete wallboard; 4. horizontal reinforcing steel bars; 5. binding steel bars; 6. vertical reinforcing steel bars; 7. a wall panel connecting member; 8. a rubber plug; 9. the steel structure fireproof enclosure plate; 10. and (5) steel columns.
Detailed Description
A steel frame shear wall structure system comprises a structure stress system, as shown in figures 1 and 2, wherein the structure stress system comprises a steel frame structure and a reinforced concrete shear wall. The steel frame structure comprises a prefabricated steel column 10 which is vertically arranged and a steel beam which is perpendicular to the prefabricated steel column 10; the prefabricated steel column 10 and the steel beam are assembled on the construction site, and the prefabricated steel column 10 and the steel beam are welded or connected through bolts, so that the vertical prefabricated steel column 10 and the horizontally arranged steel beam form a steel frame structure.
As shown in fig. 1 and 2, each reinforced concrete shear wall includes prefabricated concrete wall panels 3 on two sides, an airspace is formed between the prefabricated concrete wall panels 3 on two sides, that is, a transverse enclosed space is formed between two adjacent steel columns 10 and two adjacent prefabricated concrete wall panels 3, and distribution and stress steel bars are arranged in the airspace. The distributed and stressed steel bars are respectively arranged as horizontal steel bars 4 and vertical steel bars 6; for reinforcement, the transverse closed space is also filled with concrete blocks 1, in this embodiment, pumping concrete is adopted, and the concrete blocks are cast in situ in sections on a construction site. After the space is poured and filled, the space is vibrated to be compact, and the space, the steel column 10 and the prefabricated wall board form an integral cast-in-place structure together. The prefabricated concrete wall plate 3 is used for replacing a template, and forms a structural stress system together with cast-in-place concrete and a steel frame. And filling the airspace between the precast concrete wallboards 3 with pumping concrete, and vibrating to be compact, so that the construction of the next section of reinforced concrete shear wall can be repeated.
The precast concrete wall panels 3 are reinforced concrete plates, and angle steel for being connected with the steel columns 10 in a welding mode is embedded in each precast concrete wall panel 3. The angle steel and the prefabricated steel column 10 are connected by welding or bolts. The precast concrete wall panel 3 is used to replace the formwork in the prior art and bears part of the construction load.
In the steel frame structure, the frame prefabricated steel column 10 connected to the reinforced concrete shear wall is an H-shaped steel lattice column with a cross-sectional size of 150mm × 150 mm. The thickness of the precast concrete wall panel 3 is 50mm, and the thickness of the whole shear wall is 250 mm.
The height of precast concrete wallboard 3 is 600mm, sets up in precast steel post 10 both sides, and the setting is staggered to the concatenation seam of both sides precast concrete board wall. Taking the direction of fig. 1 as an example, the splicing seam between the precast concrete panel walls on the left side is exactly as high as the middle point of the panel of the precast concrete panel wall on the right side.
As the precast concrete wallboards 3 on the two sides are alternately upwards spliced and the splicing seams on the two sides are staggered, a space is reserved for the on-site reinforcement, and the reinforcement of the reinforced concrete shear wall can be bound on site according to the construction method of the cast-in-place shear wall. The assembled integral reinforced concrete shear wall is poured in layers, stressed longitudinal steel bars in the wall are bound in layers, and the shear wall, the steel columns 10, the steel beams and the prefabricated floor slab form an integral space structure system.
Example 2
An implementation method of a steel frame shear wall structure system comprises the following steps:
s1, assembling and mounting the prefabricated H-shaped steel lattice column and the steel beam; the assembly mode is welding or high-strength bolt connection;
s2, the thickness of the precast concrete wall panel 3 is 50mm, the height of the precast concrete wall panel 3 is 600mm, grid steel bars 2 are placed in the precast concrete wall panel 3, and the grid steel bars 2 are arranged along the vertical rigid linear array of the precast concrete wall panel 3; the grid reinforcing steel bars 2 play a role in bearing load and fixing the stressed reinforcing steel bars of the shear wall;
s3, assembling and mounting the precast concrete wall panel 3 through embedded angle steel and steel columns 10 on site, and arranging rubber plugs 8 at two ends of the wall panel to prevent grout leakage during concrete pouring;
s4, welding the precast concrete wall panels 3 on site through precast connecting components, and alternately installing upwards;
s5, when the precast concrete wall panel 3 is installed, horizontal steel bars 4 and vertical steel bars 6 of the concrete shear wall are bound on site through steel bars 5, as shown in figures 1 and 2, and the horizontal steel bars 4 and the vertical steel bars 6 are connected and fixed through grid steel bars 2 and S-shaped binding steel bars 5; the hooks at the two ends of the S-shaped binding reinforcing steel bars 5 are respectively hooked on the horizontal reinforcing steel bars 4 connected with the grid reinforcing steel bars 2 at the two sides, the horizontal reinforcing steel bars 4 can be connected with the grid reinforcing steel bars 2 in a welding mode, and the vertical reinforcing steel bars 6 can be connected with the grid reinforcing steel bars 2 and/or the horizontal reinforcing steel bars 4 in a welding mode.
S6, after the prefabricated concrete wall panel 3 of one layer is installed, pouring concrete into the prefabricated concrete wall panel 3 by pumping, and vibrating after the prefabricated concrete wall panel 3 is densely filled;
in the scheme of the invention, the steel structure fireproof containment plate 9 is arranged at the position except the reinforced concrete shear wall.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. The steel frame shear wall structure system is characterized by comprising a structural stress system, wherein the structural stress system comprises
The steel frame structure comprises a prefabricated steel column (10) which is vertically arranged and a steel beam which is perpendicular to the prefabricated steel column (10);
the reinforced concrete shear wall comprises precast concrete wallboards (3), wherein a plurality of distribution and stressed steel bars are arranged in every two adjacent precast concrete wallboards (3), and the distribution and stressed steel bars are respectively arranged into horizontal steel bars (4) and vertical steel bars (6);
and the concrete blocks (1) are positioned in the empty areas of the two adjacent precast concrete wall panels (3).
2. A steel frame shear wall structural system according to claim 1, wherein: the precast concrete wall panels (3) are reinforced concrete plates, and angle steel for welding connection with the steel columns (10) is pre-embedded in each precast concrete wall panel (3).
3. A steel frame shear wall structural system according to claim 1, wherein: the prefabricated steel column (10) connected with the reinforced concrete shear wall adopts an H-shaped steel lattice column, the section size of the H-shaped steel lattice column is 150mm multiplied by 150mm, the thickness of the prefabricated concrete wall plate (3) is 50mm, and the thickness of the whole shear wall is 250 mm.
4. A steel frame shear wall structural system according to claim 1, wherein: the height of the precast concrete wall panel (3) is 600mm, the precast concrete wall panel is arranged on two sides of the precast steel column (10), and splicing seams of the precast concrete wall panels on the two sides are arranged in a staggered mode.
5. A steel frame shear wall structural system according to claim 1, wherein: two adjacent steel columns (10) and two adjacent precast concrete wallboards (3) form a transverse closed space, and the transverse closed space is filled with pump concrete.
6. A steel frame shear wall structural system according to claim 1, wherein: and the stressed reinforcing steel bars longitudinally arranged in the concrete shear wall are bound in layers.
7. An implementation method of a steel frame shear wall structure system is characterized by comprising the following steps:
s1, assembling and mounting the prefabricated H-shaped steel lattice column and the steel beam; the assembly mode is welding or high-strength bolt connection;
s2, the thickness of the precast concrete wall panel (3) is 50mm, the height of the precast concrete wall panel is 600mm, and the grid steel bars (2) are placed on the precast concrete wall panel (3) during prefabrication;
s3, assembling and mounting the precast concrete wall panel (3) on site through embedded angle steel and steel columns (10), and arranging rubber plugs (8) at two ends of the wall panel;
s4, welding the precast concrete wall panels (3) on site through precast connecting components, and alternately installing upwards;
s5, when the precast concrete wall panel (3) is installed, steel bars (5) are bound on site to horizontal steel bars (4) and vertical steel bars (6) of the concrete shear wall, and the horizontal steel bars (4) and the vertical steel bars (6) are connected and fixed through grid steel bars (2) and S-shaped binding steel bars (5);
s6, after the prefabricated concrete wall panel (3) of one layer is installed, pouring concrete into the prefabricated concrete wall panel (3) by pumping, and vibrating after the prefabricated concrete wall panel is filled densely;
s7, arranging a steel structure fireproof containment plate (9) at the position except the reinforced concrete shear wall.
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| CN201911139256.XA CN110872873A (en) | 2019-11-20 | 2019-11-20 | Steel frame shear wall structure system and implementation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106193292A (en) * | 2016-07-16 | 2016-12-07 | 江南大学 | A kind of steel frame assembled integral reinforced concrete shear wall structure system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193292A (en) * | 2016-07-16 | 2016-12-07 | 江南大学 | A kind of steel frame assembled integral reinforced concrete shear wall structure system |
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Application publication date: 20200310 |
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