Gravity and lateral force separated fabricated energy dissipation structural system and design method

A design method and prefabricated technology, applied to building components, building structures, protected buildings/shelters, etc., can solve the problems of complex structure, high cost, inconvenient component standardization design and production, etc., to improve energy dissipation The effect of shock absorption capacity, simple joint structure, and improved seismic safety

Active Publication Date: 2022-01-14
UNIV OF SCI & TECH BEIJING +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a prefabricated energy-dissipating structural system and design method that separates gravity and lateral force. The existing prefabricated buildings have the following problems. The gravity and lateral force systems of prefabricated buildings are coupled together, and the internal forces of beams and columns will With the change of floors, it is not convenient to standardize the design and production of components. There are many types of prefabricated components, complex structures and high costs.

Method used

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  • Gravity and lateral force separated fabricated energy dissipation structural system and design method
  • Gravity and lateral force separated fabricated energy dissipation structural system and design method
  • Gravity and lateral force separated fabricated energy dissipation structural system and design method

Examples

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Effect test

Embodiment 1

[0036] Such as Figure 1~Figure 6 As shown, this embodiment provides a prefabricated energy-dissipating structural system that separates gravity and lateral force, including a prefabricated shear wall 4 and a frame column 3, and the prefabricated shear wall 4 is arranged at the center of the prefabricated energy-dissipating structural system around the corners to enhance the overall torsional rigidity of the fabricated energy-dissipating structural system. The main beam 1 is installed between the adjacent prefabricated shear wall 4 and the frame column 3, the main beam 1 is installed between the adjacent frame column 3 and the frame column 3, and the main beam 1, the prefabricated shear wall The secondary beam 2 is installed on the floor layer perpendicular to the prefabricated shear wall 4 formed by the wall 4 and the frame column 3 , a metal damper 7 is installed in the middle span of the main beam 1 , and a support 8 is arranged below the metal damper 7 . Concrete prefabri...

Embodiment 2

[0042] Such as Figure 7~Figure 9 As shown, the prefabricated shear wall 4 is arranged between adjacent frame columns 3 , and edge restraint members 12 are arranged on both sides of the prefabricated shear wall 4 .

[0043] A corbel 11 is reserved at the joint between the prefabricated shear wall 4 and the main beam 1 .

Embodiment 3

[0045] Such as Figure 10 As shown, this embodiment provides a design method for a prefabricated energy-dissipating structural system that separates gravity from lateral force. The design method is used to design a prefabricated energy-dissipating structural system that separates gravity from lateral force. The design method includes:

[0046] S100, determine the design scheme of main girder 1, secondary girder 2 and laminated slab composite floor 5;

[0047] According to the vertical gravity load given by the design conditions, the reinforcement of the laminated slab composite floor 5 is designed to ensure that the bearing capacity and stiffness meet the specification requirements, and the size of the concrete precast slab 6 is designed;

[0048] Design the cross-sectional dimensions of main beam 1 and secondary beam 2 according to simply supported composite beams, and the design value of mid-span bending moments of composite beams and the design value of the shear force of...

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Abstract

The invention discloses a gravity and lateral force separated fabricated energy dissipation structural system and a design method. The gravity and lateral force separated fabricated energy dissipation structural system comprises fabricated shear walls and frame columns, a main beam is installed between the fabricated shear wall and the frame column adjacent to the fabricated shear wall, the main beam is installed between the frame columns adjacent to the fabricated shear walls, secondary beams are installed on a floor layer which is formed by the main beam, the fabricated shear walls and the frame columns and is perpendicular to the fabricated shear walls, a metal damper is installed in the span of the main beam, and a support is arranged below the metal damper. The design method comprises the steps of determining the design scheme of the main beam, the secondary beams and a laminated slab composite floor system, determining the design scheme of the fabricated shear walls and the frame column, determining the design scheme of the metal damper and the support and determining the design scheme of connecting joints. According to the gravity and lateral force separated fabricated energy dissipation structural system and the design method, gravity and a lateral force system can be separated, standardized design and manufacturing of parts are facilitated, the engineering cost is reduced, the energy dissipation capacity of the structure under the earthquake action is enhanced, and the anti-seismic safety of the structure is improved.

Description

technical field [0001] The invention relates to the technical field of civil structural engineering, in particular to an assembled energy-dissipating structure system and a design method that separates gravity and lateral force. Background technique [0002] Prefabricated buildings are widely used in practical engineering due to their rapid construction, energy saving and environmental protection. However, the existing prefabricated building gravity and lateral force systems are coupled together, and the internal forces of beams and columns will change with the floor, which is not convenient for the standardized design and production of components, resulting in a wide variety of prefabricated components, complex connection structures, and difficulty in reducing construction costs. cost. Contents of the invention [0003] The present invention provides a prefabricated energy-dissipating structural system and design method that separates gravity and lateral force. The exist...

Claims

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Application Information

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IPC IPC(8): E04B1/24E04B1/58E04B1/98E04H9/02E04B2/56E04B5/02
CPCE04B1/2403E04B1/5806E04B1/98E04H9/024E04B2/56E04B5/02E04B2001/2406
Inventor 赵鹤刘晓刚陶慕轩岳清瑞陈洪兵
Owner UNIV OF SCI & TECH BEIJING
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