CN112878544A - Mi-shaped truss stiffening double-steel-plate combined shear structure of assembled steel structure building - Google Patents
Mi-shaped truss stiffening double-steel-plate combined shear structure of assembled steel structure building Download PDFInfo
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- CN112878544A CN112878544A CN201911200293.7A CN201911200293A CN112878544A CN 112878544 A CN112878544 A CN 112878544A CN 201911200293 A CN201911200293 A CN 201911200293A CN 112878544 A CN112878544 A CN 112878544A
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- steel
- shear wall
- truss
- stiffening
- 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
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
-
- 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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
Abstract
The invention relates to the field of construction of fabricated buildings, in particular to a Mi-shaped truss stiffening double-steel-plate combined shear structure of a fabricated steel structure building; comprises a shear wall peripheral component and is characterized in that: the steel plate reinforced concrete combined structure further comprises outer double steel plates, a diagonal main stiffening truss, a cross stiffening truss, studs and inner poured concrete. The steel plate formwork has a simple structure and reasonable stress, steel members are processed in a factory, and concrete materials are only required to be poured on the inner side of the steel plate in a construction site, so that the site formwork support is avoided, and the installation efficiency is improved. The structure has strong in-plane and out-plane rigidity, can give full play to the mechanical property of the material, has good energy consumption performance, meets the rigidity and stability requirements in the transportation and hoisting processes, and improves the construction efficiency.
Description
Technical Field
The invention relates to the field of construction of fabricated buildings, in particular to a Mi-shaped truss stiffening double-steel-plate combined shear structure of a fabricated steel structure building.
Background
Compared with a reinforced concrete shear wall, the double-steel-plate-concrete combined shear wall has the advantages of high rigidity, high bearing capacity, high energy consumption capacity and the like, has good ductility and energy consumption capacity under large interlayer displacement, and can be matched with a steel column or a combined column with good energy consumption capacity; the thickness of the combined shear wall is obviously smaller than that of a reinforced concrete shear wall, the dead weight of the structure can be effectively reduced, the foundation burden is reduced, the using area of the building is increased, the economic benefit is improved, and the combined shear wall is easy to repair after an earthquake.
Although the performance and the strength of the existing steel plate shear wall can meet the use requirements, when the outer steel plate is thin, the outer rigidity of the steel plate is poor, a tension band can be generated after the steel plate is bent under the reciprocating action of wind and earthquake, the outer bulging and bending of the steel plate wall can be alternated, the rigidity of the bearing capacity can be sharply reduced in the alternation process, and the pinching phenomenon of a hysteresis curve is caused; moreover, because the external rigidity of the steel plate surface is poor, the deformation and the stability of the steel plate shear wall member processed in a factory are poor in the transportation and field hoisting processes, a large number of temporary reinforcing members need to be added, and the transportation and installation efficiency is greatly reduced.
Disclosure of Invention
The invention aims to overcome the defects and provide the Mi-shaped truss stiffened double-steel-plate combined shear structure of the fabricated steel structure building, which has stronger internal and external rigidity, can give full play to the mechanical properties of materials, has good energy consumption performance, meets the rigidity and stability requirements in the transportation and hoisting processes, and improves the construction efficiency.
In order to achieve the above object, the present invention is realized by:
a double steel plate combined shear structure stiffened by a Mi-shaped truss of an assembled steel structure building comprises peripheral components of a shear wall, and also comprises outer double steel plates, a diagonal main stiffening truss, a cross stiffening truss, studs and internally poured concrete; the peripheral members of the shear wall comprise steel columns or steel tube concrete columns and steel beams; the outer double steel plates are composed of two thin steel plates connected to peripheral components of the shear wall; the diagonal main stiffening truss consists of diagonal stiffening trusses which are tightly attached to the two outer steel plates along the diagonal direction; the cross stiffening truss consists of stiffening trusses which are tightly attached to the two outer steel plates along the direction parallel to the beam column; the studs are arranged on the outer double steel plates and used for reinforcing the bonding with concrete and the rigidity of the steel plates, and the inner concrete pouring is poured between the outer double steel plates to play the roles of connecting all shear wall components and jointly bearing force.
The manufacturing method of the double steel plate combined shear structure for the Mi-shaped truss stiffening of the fabricated steel structure building comprises the following steps
Step 1, all steel structural members and connecting pieces are processed in a factory in advance;
step 2, assembling the single shear wall assembly;
step 2.1, firstly welding the diagonal main stiffening truss on the inner surface of the outer steel plate;
step 2.2, welding the cross stiffening truss on the inner surface of the corresponding position of the outer steel plate;
step 2.3, respectively welding the studs on the inner surfaces of the outer steel plate, the diagonal stiffening truss and the cross stiffening truss;
step 2.4, assembling another shear wall component which is the same as the shear wall component and is symmetrical in position according to the sequence;
step 3, transporting the column member, the beam member and the two shear wall assemblies to an installation site;
step 5, respectively welding the two shear wall components to the design positions of the two side column components and the lower layer beam component;
step 6, pouring concrete between the two shear wall components;
and 7, mounting the upper-layer beam member unit.
The steel plate formwork has a simple structure and reasonable stress, steel members are processed in a factory, and concrete materials are only required to be poured on the inner side of the steel plate in a construction site, so that the site formwork support is avoided, and the installation efficiency is improved. The structure has strong in-plane and out-plane rigidity, can give full play to the mechanical property of the material, has good energy consumption performance, meets the rigidity and stability requirements in the transportation and hoisting processes, and improves the construction efficiency.
Drawings
Fig. 1 is a schematic view of the combined shear structure.
FIG. 2 is a schematic view of the construction of the periphery of a shear wall.
FIG. 3 shows the shear wall outer steel plates and the oblique stiffeners.
FIG. 4 is a shear wall cross stiffener.
Fig. 5 is an exploded view of the connecting peg and the concrete filled structure.
Fig. 6 is a schematic view of the construction sequence of the combined shear structure.
Detailed Description
The invention is further illustrated by the following specific examples.
As shown in fig. 1 to 5, a shear structure of a double steel plate combination stiffened by a truss in a shape like a Chinese character 'mi' of an assembled steel structure building comprises a peripheral member of a shear wall, and further comprises outer double steel plates, a diagonal main stiffening truss, a cross stiffening truss, studs and internally poured concrete; the peripheral members of the shear wall comprise steel columns or steel tube concrete columns and steel beams; the outer double steel plates are composed of two thin steel plates connected to peripheral components of the shear wall; the diagonal main stiffening truss consists of diagonal stiffening trusses which are tightly attached to the two outer steel plates along the diagonal direction; the cross stiffening truss consists of stiffening trusses which are tightly attached to the two outer steel plates along the direction parallel to the beam column; the studs are arranged on the outer double steel plates and used for reinforcing the bonding with concrete and the rigidity of the steel plates, and the inner concrete pouring is poured between the outer double steel plates to play the roles of connecting all shear wall components and jointly bearing force.
As shown in FIG. 6, the manufacturing method of the double steel plate combination shear structure for the Mi-shaped truss stiffening of the fabricated steel structure building comprises the following steps
Step 1, all steel structural members and connecting pieces are processed in a factory in advance;
step 2, assembling the single shear wall assembly;
step 2.1, firstly welding the diagonal main stiffening truss on the inner surface of the outer steel plate;
step 2.2, welding the cross stiffening truss on the inner surface of the corresponding position of the outer steel plate;
step 2.3, respectively welding the studs on the inner surfaces of the outer steel plate, the diagonal stiffening truss and the cross stiffening truss;
step 2.4, assembling another shear wall component which is the same as the shear wall component and is symmetrical in position according to the sequence;
step 3, transporting the column member, the beam member and the two shear wall assemblies to an installation site;
step 5, respectively welding the two shear wall components to the design positions of the two side column components and the lower layer beam component;
step 6, pouring concrete between the two shear wall components;
and 7, mounting the upper-layer beam member unit.
The steel plate formwork has a simple structure and reasonable stress, steel members are processed in a factory, and concrete materials are only required to be poured on the inner side of the steel plate in a construction site, so that the site formwork support is avoided, and the installation efficiency is improved. The structure has strong in-plane and out-plane rigidity, can give full play to the mechanical property of the material, has good energy consumption performance, meets the rigidity and stability requirements in the transportation and hoisting processes, and improves the construction efficiency.
Claims (2)
1. The utility model provides a rice style of calligraphy truss of assembled steel construction building two steel sheet combination shear structure of putting more energy into, contains the peripheral component of shear force wall, characterized by: the steel plate reinforced concrete combined structure also comprises outer double steel plates, a diagonal main stiffening truss, a cross stiffening truss, studs and inner poured concrete; the peripheral members of the shear wall comprise steel columns or steel tube concrete columns and steel beams; the outer double steel plates are composed of two thin steel plates connected to peripheral components of the shear wall; the diagonal main stiffening truss consists of diagonal stiffening trusses which are tightly attached to the two outer steel plates along the diagonal direction; the cross stiffening truss consists of stiffening trusses which are tightly attached to the two outer steel plates along the direction parallel to the beam column; the studs are arranged on the outer double steel plates and used for reinforcing the bonding with concrete and the rigidity of the steel plates, and the inner concrete pouring is poured between the outer double steel plates to play the roles of connecting all shear wall components and jointly bearing force.
2. The method for manufacturing a double steel plate combined shear structure stiffened by a truss shaped like a Chinese character mi of an assembled steel structure building as claimed in claim 1, wherein: comprises that
Step 1, all steel structural members and connecting pieces are processed in a factory in advance;
step 2, assembling the single shear wall assembly;
step 2.1, firstly welding the diagonal main stiffening truss on the inner surface of the outer steel plate;
step 2.2, welding the cross stiffening truss on the inner surface of the corresponding position of the outer steel plate;
step 2.3, respectively welding the studs on the inner surfaces of the outer steel plate, the diagonal stiffening truss and the cross stiffening truss;
step 2.4, assembling another shear wall component which is the same as the shear wall component and is symmetrical in position according to the sequence;
step 3, transporting the column member, the beam member and the two shear wall assemblies to an installation site;
step 4, installing the column member and the lower layer beam member on site;
step 5, respectively welding the two shear wall components to the design positions of the two side column components and the lower layer beam component;
step 6, pouring concrete between the two shear wall components;
and 7, mounting the upper-layer beam member unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911200293.7A CN112878544A (en) | 2019-11-29 | 2019-11-29 | Mi-shaped truss stiffening double-steel-plate combined shear structure of assembled steel structure building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911200293.7A CN112878544A (en) | 2019-11-29 | 2019-11-29 | Mi-shaped truss stiffening double-steel-plate combined shear structure of assembled steel structure building |
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| CN112878544A true CN112878544A (en) | 2021-06-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878543A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Double-steel-plate combined shear structure for assembly type steel structure building |
| CN112878546A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Oblique-return truss stiffening double-steel-plate combined shear structure of fabricated steel structure building |
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2019
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| KR20040057057A (en) * | 2002-12-24 | 2004-07-02 | 재단법인 포항산업과학연구원 | Reinforcement structure of concrete outer shear wall |
| KR20070066255A (en) * | 2005-12-21 | 2007-06-27 | 재단법인 포항산업과학연구원 | Double skin steel concrete composite shear wall |
| CN101230602A (en) * | 2007-09-06 | 2008-07-30 | 同济大学 | Profiled bar concrete combination shearing wall and construction method thereof |
| JP2011163799A (en) * | 2010-02-05 | 2011-08-25 | Hitachi-Ge Nuclear Energy Ltd | Steel plate concrete structure in nuclear reactor containment facility |
| CN102776966A (en) * | 2012-07-20 | 2012-11-14 | 华南理工大学 | Modified double-layered steel plate concrete shear wall and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878543A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Double-steel-plate combined shear structure for assembly type steel structure building |
| CN112878546A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Oblique-return truss stiffening double-steel-plate combined shear structure of fabricated steel structure building |
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Application publication date: 20210601 |