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Noose type non-uniform circumferential loading device and use method thereof

A loading device, non-uniform technology, applied in measuring devices, using stable tension/pressure to test material strength, reducing greenhouse gases, etc., can solve problems such as inaccurate test results, achieve flexible tension adjustment, prevent slippage, The effect of expanding the bearing area

Pending Publication Date: 2022-05-27
SHENYANG JIANZHU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional hoop loading device is to install multiple jacks on the periphery of the experimental sample, and the load is applied through the jacks. The existing jacks can only apply axial loads, and the test results are still inaccurate.

Method used

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  • Noose type non-uniform circumferential loading device and use method thereof
  • Noose type non-uniform circumferential loading device and use method thereof
  • Noose type non-uniform circumferential loading device and use method thereof

Examples

Experimental program
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Effect test

Embodiment

[0036] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0037] like figure 1 and figure 2 As shown, the present invention provides a noose type non-uniform hoop loading device. The device includes a casing 1 , a tension mechanism 2 , a force point fixing mechanism 3 , and a data detection and collection mechanism 4 . The shell 1 is connected with the force application point fixing mechanism 3 , and the force application point fixing mechanism 3 is connected with the tension mechanism 2 . The tension mechanism 2 is connected with the data detection and collection mechanism 4 , and the data detection and collection mechanism 4 is used to set the tension of the tension mechanism 2 and collect the deformation of the experimental sample 5 . The test sample 5 is set inside the force point fixing mechanism 3, and the force point fixing mechanism 3 is used to fix the position of the tension mechanism 2, and the force point fix...

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Abstract

The invention relates to the technical field of annular loading devices, in particular to a noose type non-uniform annular loading device and a using method thereof. The device comprises a shell, a tension mechanism, a force application point fixing mechanism and a data detection and acquisition mechanism, the shell is connected with the force application point fixing mechanism, and the force application point fixing mechanism is connected with the tension mechanism; the tension mechanism is connected with the data detection and acquisition mechanism, and the data detection and acquisition mechanism is used for setting the tension of the tension mechanism and acquiring the deformation of an experimental sample; an experimental sample is arranged on the inner side of the force application point fixing mechanism, the force application point fixing mechanism is used for fixing the position of the tension mechanism, the force application point fixing mechanism is pulled through the tension mechanism, and then pressure is applied to the experimental sample. The device has the advantages of non-uniform loading, controllable load distribution, non-unique load size, better conformity with the actual stress condition, low requirement on the strength of the outer wall and the like.

Description

technical field [0001] The invention relates to the technical field of hoop loading devices, in particular to a noose-type non-uniform hoop loading device and a usage method thereof. Background technique [0002] The external load applied by the ordinary hoop loading test device when testing the ultimate bearing capacity of the experimental specimen is an axial uniform load, which is not consistent with the actual force in the project, and the traditional method of testing the strength of the shield segment The test object of the experimental instrument is a single segment, which cannot test the actual bearing capacity after being assembled into a ring. In actual engineering, because the tunnel lining has the characteristics of different buried depths, soft rock interlayers, complex geological conditions, and obvious distribution of soft and hard strata, the stress on each part of the shield segment is not equal, so it is urgently needed An experimental device capable of si...

Claims

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Application Information

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IPC IPC(8): G01N3/12G01N3/10
CPCG01N3/12G01N3/10G01N2203/0003G01N2203/0019G01N2203/0017G01N2203/0048G01N2203/0075G01N2203/0676G01N2203/0682Y02E30/30
Inventor 侯世伟侯金招陈昕孟素云李兵
Owner SHENYANG JIANZHU UNIVERSITY
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