CN104652645B - Energy consumption enhancement type assembled prefabricated shear wall - Google Patents
Energy consumption enhancement type assembled prefabricated shear wall Download PDFInfo
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- CN104652645B CN104652645B CN201510081183.9A CN201510081183A CN104652645B CN 104652645 B CN104652645 B CN 104652645B CN 201510081183 A CN201510081183 A CN 201510081183A CN 104652645 B CN104652645 B CN 104652645B
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Abstract
The invention relates to an energy consumption enhanced assembled prefabricated shear wall, and belongs to the field of earthquake-resistant structural systems. The steel tube concrete column is symmetrically arranged on the inner side of the buckling restrained energy dissipation brace and is separated from the buckling restrained energy dissipation brace by a certain distance, the end part of the steel tube concrete column is fixed with the steel beam, and the embedded shear wall is arranged in a frame formed by the steel tube concrete column and the steel beam. The invention has clear concept and convenient construction, can effectively protect the safety of the main structure in strong earthquake, and can be widely applied to important building structures in high-intensity earthquake areas.
Description
Technical Field
The invention relates to the field of earthquake-resistant structural systems, in particular to an energy-consumption-enhanced assembled prefabricated shear wall.
Background
Industrialization and prefabrication and assembly of buildings are future development directions of building structures, and are currently under great development at home and abroad. However, how to ensure the safety of the prefabricated structure under strong shock is a challenging problem. The difficulty is how to ensure the connection reliability and convenience between the prefabricated structural modules and how to enhance the energy consumption performance of the prefabricated structure. Although the reliability and convenience of connection can be realized through various construction modes in the current partial prefabricated shear wall, most of the energy consumption performance is poor, and the safety of the structure under strong shock is difficult to effectively guarantee. Therefore, the development of the energy consumption enhanced assembled prefabricated shear wall is urgent and particularly significant.
Disclosure of Invention
The invention provides an energy-consumption-enhanced assembled prefabricated shear wall, which aims to overcome the defect that the existing prefabricated shear wall structure is difficult to meet the requirements of good connection performance and stronger energy consumption performance.
The technical scheme adopted by the invention is that the energy consumption reinforced type prefabricated shear wall consists of at least 1 prefabricated module, wherein the prefabricated module mainly comprises buckling restrained energy consumption supports, steel pipe concrete columns, embedded shear walls and steel beams, the buckling restrained energy consumption supports are symmetrically arranged on two sides of the prefabricated module, the end parts of the buckling restrained energy consumption supports are connected with the steel beams through high-strength bolts, the steel pipe concrete columns are symmetrically arranged on the inner sides of the buckling restrained energy consumption supports and are separated from the buckling restrained energy consumption supports by a certain distance, the end parts of the steel pipe concrete columns are fixed with the steel beams, the embedded shear walls are arranged in frames formed by the steel pipe concrete columns and the steel beams, and the bottoms of the energy consumption reinforced type prefabricated shear walls are fixed with a foundation.
The buckling restrained brace is composed of a core unit, a restraining unit and a non-adhesive layer between the core unit and the restraining unit, wherein the cross section of the core unit is in a shape like a Chinese character 'yi', a round, a cross or an I, the core unit is made of low-yield-strength high-ductility steel or high-yield-strength high-ductility steel, the restraining unit is filled with concrete or pure steel for restraining, and the non-adhesive layer is made of non-adhesive materials.
The embedded shear wall is a steel plate shear wall, a single-layer steel plate composite shear wall, a double-layer steel plate composite shear wall or a reinforced concrete shear wall.
The invention has the following remarkable advantages:
(1) High ductility and high energy consumption. The invention utilizes the core unit of the buckling restrained brace to dissipate earthquake energy in strong earthquake, and can obviously improve the earthquake resistance of the structure.
(2) The bearing capacity is high. According to the invention, the embedded shear wall is arranged in the frame formed by the concrete filled steel tube column and the steel beam, so that the bearing capacity of the structure can be remarkably improved.
(3) The construction is convenient. The prefabricated module can be prefabricated in a factory, assembled on site and can obviously accelerate the construction process.
Drawings
Fig. 1 is a schematic diagram of a prefabricated module according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
The numerical meanings in the drawings are as follows:
1-buckling-restrained energy-dissipating struts; 2-a steel tube concrete column; 3-embedded shear wall; 4-steel beams; 5-base.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figures 1-2, the invention relates to an energy-consumption reinforced fabricated precast shear wall, which consists of at least 1 precast module, wherein the precast module mainly comprises buckling-restrained energy-consuming struts 1, steel tube concrete columns 2, embedded shear walls 3 and steel beams 4, the buckling-restrained energy-consuming struts 1 are symmetrically arranged on two sides of the precast module, the end parts of the buckling-restrained energy-consuming struts are connected with the steel beams 4 through high-strength bolts, the steel tube concrete columns 2 are symmetrically arranged on the inner sides of the buckling-restrained energy-consuming struts 1 and are separated from the buckling-restrained energy-consuming struts by a certain distance, the end parts of the steel tube concrete columns 2 are fixed with the steel beams 4, the embedded shear walls 3 are arranged in frames formed by the steel tube concrete columns 2 and the steel beams 4, and the bottom of the energy-consumption reinforced fabricated precast shear wall is fixed with a foundation 5.
The buckling restrained brace 1 is composed of a core unit, a restraining unit and a non-adhesive layer between the core unit and the restraining unit, wherein the cross section of the core unit is in a shape like a Chinese character 'yi', a circle, a cross or an I, the core unit is made of low-yield-strength high-ductility steel or high-yield-strength high-ductility steel, the restraining unit is filled with concrete or pure steel for restraining, and the non-adhesive layer is made of non-adhesive materials.
The embedded shear wall 3 is a steel plate shear wall or a single-layer steel plate composite shear wall or a double-layer steel plate composite shear wall or a reinforced concrete shear wall.
In particular, in the embodiment shown in fig. 2, the energy-consumption-enhanced fabricated precast shear wall is composed of 4 precast modules.
The invention has the characteristics of high earthquake-resistant bearing capacity, strong hysteresis energy consumption capacity and the like, has clear concept, convenient construction and reasonable manufacturing cost, and can be widely applied to high-rise and super high-rise building structures.
Claims (3)
1. An energy consumption enhancement type assembled prefabricated shear wall is characterized in that: the prefabricated module comprises at least 1 prefabricated module, the prefabricated module comprises buckling restrained energy dissipation struts, steel tube concrete columns, embedded shear walls and steel beams, the buckling restrained energy dissipation struts are symmetrically arranged on two sides of the prefabricated module, the end portions of the buckling restrained energy dissipation struts are connected with the steel beams through high-strength bolts, the steel tube concrete columns are symmetrically arranged on the inner sides of the buckling restrained energy dissipation struts and are spaced apart from the buckling restrained energy dissipation struts, the end portions of the steel tube concrete columns are fixed with the steel beams together, the embedded shear walls are arranged in frames formed by the steel tube concrete columns and the steel beams, and the bottoms of the energy dissipation reinforced type prefabricated shear walls are fixed with foundations together.
2. The energy-consumption-enhanced fabricated prefabricated shear wall according to claim 1, wherein: the buckling restrained brace is composed of a core unit, a restraining unit and an unbonded layer between the core unit and the restraining unit, wherein the cross section of the core unit is in a shape like a Chinese character 'yi', a round, a cross or an I, the core unit is made of low-yield-strength high-ductility steel or high-yield-strength high-ductility steel, the restraining unit is filled with concrete or pure steel for restraining, and the unbonded layer is made of unbonded materials.
3. The energy-consumption-enhanced fabricated prefabricated shear wall according to claim 1, wherein: the embedded shear wall is a steel plate shear wall, a single-layer steel plate composite shear wall, a double-layer steel plate composite shear wall or a reinforced concrete shear wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510081183.9A CN104652645B (en) | 2015-02-15 | 2015-02-15 | Energy consumption enhancement type assembled prefabricated shear wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510081183.9A CN104652645B (en) | 2015-02-15 | 2015-02-15 | Energy consumption enhancement type assembled prefabricated shear wall |
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| Publication Number | Publication Date |
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| CN104652645A CN104652645A (en) | 2015-05-27 |
| CN104652645B true CN104652645B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510081183.9A Active CN104652645B (en) | 2015-02-15 | 2015-02-15 | Energy consumption enhancement type assembled prefabricated shear wall |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108894360B (en) * | 2018-07-24 | 2019-12-27 | 青岛理工大学 | Assembled double-steel-plate concrete combined shear wall with embedded damping interlayer and mounting method thereof |
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| CN104652645A (en) | 2015-05-27 |
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