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Model box rotary joint device used for tunnel structure multi-point vibration table test

A joint device, multi-point vibration technology, applied in the field of model box rotary joint device, to achieve the effect of large shear stiffness

Inactive Publication Date: 2014-05-14
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of joint structure has no similar design in the field of shaking table experimental equipment

Method used

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  • Model box rotary joint device used for tunnel structure multi-point vibration table test
  • Model box rotary joint device used for tunnel structure multi-point vibration table test
  • Model box rotary joint device used for tunnel structure multi-point vibration table test

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Such as Figure 1-5 As shown, a model box rotary joint device for multi-point shaking table test of tunnel structure, the joint device connects two model boxes: model box a7 and model box b8, and the joint device includes rotating shaft pegs 1, Bolt groove 2, spring 3, end channel steel 4, cover plate 5 and anti-seepage material 6, described shaft peg 1 is arranged on the bottom edge of model box a7, and described bolt groove 2 is arranged on the bottom edge of model box b8 , the bottom edge of the adjacent end of the model box a7 and the model box b8 is provided with a bottom channel steel 4, the channel steel is provided with a cover plate 5, and the shaft peg 1 is inserted into the bolt groove 2 to form a connecting piece, and in this connection The springs 3 connecting the two model boxes are symmetrically arranged on both sides of the piece, and the anti-seepage material 6 is arranged between the two model boxes, and the model soil in the two model boxes is placed ...

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Abstract

The invention relates to a model box rotary joint device used for tunnel structure multi-point vibration table test. The joint device is connected with two model boxes; the joint device comprises a rotating shaft toggling bolt, a toggling slot, springs, end portion U-steel, cover plates and an impermeable material; the rotating shaft toggling bolt is arranged at an edge of the bottom of one of the two model boxes; the toggling slot is arranged at an edge of the bottom of the other model box; edges of adjacent bottoms of the model boxes are respectively provided with end portion U-steel; the end portion U-steel is provided with the cover plates; the rotating shaft toggling bolt is inserted into the toggling slot, such that a connecting component can be formed; two sides of the connecting component are symmetrically provided with springs for connecting the two model boxes; the impermeable material is arranged between the two model boxes and is used for preventing model soil arranged inside the two model boxes from being exposed. Compared with the prior art, the model box rotary joint device of the invention has the advantages of sufficient strength, elastic rotation capacity, high axial stiffness, high shear stiffness, sealing function and the like.

Description

technical field [0001] The invention relates to a connection joint, in particular to a model box rotary joint device used for multi-point shaking table tests of tunnel structures. Background technique [0002] With the occurrence of earthquake damage to underground structures, the research on seismic resistance of underground structures has received extensive attention. Shaking table model test is an important method for seismic analysis of underground structures, which has been widely used and recognized. An important difference between the seismic response of underground structures and aboveground structures is that the underground structure is located in the rock-soil medium. Under the action of an earthquake, the structure and the rock-soil medium interact to show different vibration characteristics. By placing model geotechnical materials and underground structure models in the model box, the interaction between underground structures and geotechnical media can be simu...

Claims

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Application Information

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IPC IPC(8): G01M7/02
Inventor 袁勇黄伟东苏权科陈越方磊徐国平刘洪洲李贞新陈之毅
Owner TONGJI UNIV
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