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Repeated loading test device for combined shear wall test piece

A technology of combined shear wall and repeated loading, applied in the direction of applying stable shear force to test material strength, etc., can solve the problems of inability to realize friction force and energy consumption.

Inactive Publication Date: 2015-06-17
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional repeated loading device cannot realize the research on the friction force and energy consumption caused by the misalignment between concrete and steel, concrete and concrete inside the steel-concrete composite shear wall

Method used

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  • Repeated loading test device for combined shear wall test piece
  • Repeated loading test device for combined shear wall test piece

Examples

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing and embodiment example, the present invention will be further described:

[0020] Such as figure 1 As shown, the repeated loading test device for combined shear wall specimens includes a steel structure test bench 1, a horizontal fixing screw 2, a nut 3, a backing plate for the specimen 4, and a vertical fixing screw 5. Wherein: the steel structure test bench 1 is fixed on the ground through the vertical fixing screw 5; the position of the vertical fixing screw 5 on the steel structure test bench 1 corresponds to the position of the ground anchor hole on the ground of the test site.

[0021] Such as figure 2 As shown, the composite shear wall specimen 6 is installed upside down on the steel structure test bench 1; the specimen backing plate 4 is placed between the horizontal fixing screw 2 and the composite shear wall specimen 6; the horizontal fixing screw 2 and the specimen pad When the plates 4 are in contact, the com...

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Abstract

The invention discloses a repeated loading test device for a combined shear wall test piece, and belongs to the technical field of loading experimental apparatuses. The repeated loading test device of the combined shear wall test piece comprises a steel structure test bench, a horizontally fixed screw rod, a nut, a test piece backing plate and a vertically fixed screw rod, wherein the steel structure test bench is fixed on the ground through the vertically fixed screw rod, the combined shear wall test piece is installed on the steel structure test bench in an inverted mode, the test piece is fixed through the horizontally fixed screw rod, and the repeated loading is applied to the combined shear wall test piece along the horizontal direction. The device disclosed by the invention can fully stimulate a shear performance test of the test piece under the action of repeated loading, analyzes the shear deformation capability of the test piece, and can analyze the friction generated by the shift between concrete and steel and between the concrete and the concrete in the combined shear wall test piece. The device disclosed by the invention is easy to manufacture and convenient to use, is wholly connected by bolts and is convenient to assemble and disassemble, the space is saved and the storage is convenient.

Description

technical field [0001] The invention relates to a repeated loading test device and a manufacturing method of a combined shear wall test piece, which belong to the energy consumption shock absorption technology of building structures. Background technique [0002] Traditional shear wall tests apply low-cycle repeated loads to specimens through repeated loading test devices to simulate the stress and deformation characteristics of structures or components in reciprocating vibration during earthquakes, and study the bearing capacity, stiffness, ductility, hysteresis performance and energy dissipation capacity. [0003] However, traditional reloading devices have certain limitations. With the rapid development of large complex high-rise buildings, steel-concrete composite shear walls are widely used in high-rise buildings as a new type of composite shear walls with excellent seismic performance. With the deepening of the research, there are more and more studies on the perform...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/24
Inventor 董宏英张慧曹万林于传鹏刘恒超
Owner BEIJING UNIV OF TECH
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