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Assembly type seismic insulation house structure

A prefabricated and seismic isolation technology, applied in the direction of earthquake resistance and building components, can solve the problems of lack of confidence in the anti-seismic performance of prefabricated structures, low anti-seismic performance of prefabricated structures, and low integrity and rigidity of prefabricated structures, so as to improve anti-seismic Effects on Performance, Seismic Response Reduction

Inactive Publication Date: 2012-10-17
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the integrity and stiffness of prefabricated structures are lower than those of cast-in-place structures, so the seismic performance of prefabricated structures is generally lower than that of cast-in-place structures
Due to the lack of confidence in the seismic performance of prefabricated structures, prefabricated structures have not been effectively applied in my country's construction industry

Method used

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  • Assembly type seismic insulation house structure
  • Assembly type seismic insulation house structure
  • Assembly type seismic insulation house structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 As shown, a seismic isolation support 3 is set between the prefabricated column 1 and the foundation 4 on the ground floor, and the two ends of the seismic isolation support 3 are respectively fixed on the lower end of the prefabricated column 1 and the upper end of the foundation 4 . The vibration-isolation bearing 3 can adopt laminated rubber bearings, lead rubber bearings, sliding bearings or other types of vibration-isolation bearings. A semi-rigid connection is adopted between the prefabricated beam 2 and the prefabricated column 1, and the semi-rigid connection between the prefabricated column 1 and the prefabricated beam 2 refers to reducing the bolt connection, welding connection or prestressed connection between the prefabricated column 1 and the prefabricated beam 2 Connection strength, so that the bending stiffness of the connection is lower than that of the cast-in-place structure, but the connection can still bear a certain bending moment. ...

Embodiment 2

[0026] Such as figure 2 As shown, a seismic isolation support 3 is set between the prefabricated shear wall 5 and the foundation 4 on the ground floor. The vibration-isolation bearing 3 can adopt laminated rubber bearings, lead rubber bearings, sliding bearings or other types of vibration-isolation bearings. The horizontal joints between adjacent prefabricated shear walls 5 are connected by slurry anchors or polygonal shear keys. The vertical joints between adjacent prefabricated shear walls 5 can be connected by polygonal shear keys, welded or bolted, and energy-dissipating elements can be used for the connection of important structures with higher seismic rating requirements. The energy-dissipating element in the present invention refers to an element that can dissipate the energy input to the structure by seismic waves, such as a mild steel damper and the like.

Embodiment 3

[0028] Such as image 3 As shown, the seismic isolation support 3 is set between the prefabricated column 1, the prefabricated shear wall 5 and the foundation 4 on the ground floor. Connection, the lower end is connected with the upper end of foundation 4 respectively. The vibration-isolation bearing 3 can adopt laminated rubber bearings, lead rubber bearings, sliding bearings or other types of vibration-isolation bearings. The prefabricated beam 2 and the prefabricated column 1 are connected by a hinge, and the hinged connection between the prefabricated column 1 and the prefabricated beam 2 refers to reducing the connection strength of the bolt connection, welding connection or prestressed connection between the prefabricated column 1 and the prefabricated beam 2 , so that the bending stiffness of the connection is much lower than that of the semi-rigid connection, so that the connection can bear axial force and shear force, but cannot bear bending moment. The connection b...

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Abstract

The invention discloses an assembly type seismic insulation house structure. The assembly type seismic insulation house structure comprises prefabrication columns, prefabrication beams, seismic insulation supports and a foundation; the seismic insulation supports are arranged between the prefabrication columns on the bottom layer and the foundation; the upper ends of the seismic insulation supports are connected with the prefabrication columns on the bottom layer; and the lower ends of the seismic insulation supports are connected with the foundation. By the assembly type seismic insulation house structure, the seismic performance of an assembly house can be effectively improved; and the assembly type seismic insulation house structure is definite and reasonable in stress, and high in quality and construction speed.

Description

technical field [0001] The invention relates to a prefabricated earthquake-isolation house structure. Background technique [0002] Earthquakes continue to occur all over the world, causing great damage to buildings and causing great harm to human beings. The traditional seismic design method relies on the strength and stiffness of the structure itself to resist earthquakes, and relies on the deformation and damage of structural components to consume the energy introduced into the building. Seismic isolation is the use of seismic isolation systems to try to prevent seismic energy from entering the main structure. Therefore, not only the building is better protected, the damage of the building is reduced, but also the casualties can be effectively reduced or even prevented. [0003] The prefabricated structure refers to the standardized production of various components of the structure, including prefabricated columns, prefabricated beams, prefabricated floors, prefabricate...

Claims

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Application Information

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IPC IPC(8): E04B1/98
Inventor 李爱群贾洪毛利军周德恒王维
Owner SOUTHEAST UNIV
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