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A construction damage testing device and method for geosynthetics

A technology of geosynthetics and testing devices, which is applied in the direction of measuring devices, analysis materials, and preparation of test samples, can solve the problems of no single compaction function, and the inability to change the frequency and power of loading vibration, so as to ensure accurate sexual effect

Active Publication Date: 2021-11-09
新疆交通规划勘察设计研究院有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] First of all, most of the current indoor compaction test devices only have a single compaction function. In addition to providing stable compaction efficiency, the vibration frequency and power of the load cannot be changed.
Secondly, most of the current indoor compaction test devices only realize the function of applying pressure to the steel box, but there is no test device with the function of laying geosynthetics in the filler and then simulating the soil compaction process

Method used

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  • A construction damage testing device and method for geosynthetics
  • A construction damage testing device and method for geosynthetics
  • A construction damage testing device and method for geosynthetics

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Embodiment Construction

[0043] The present invention will be further described in detail below in conjunction with the accompanying drawings, which are explanations rather than limitations of the present invention.

[0044] refer to figure 1 A construction damage test device for geosynthetic materials includes a support assembly, a combined steel box, a loading device and a driving device arranged thereon.

[0045] The combined steel box is used to fill the rammed earth, and the geosynthetic material 17 is laid between the rammed earth, the driving device is connected with the loading device, the driving device is used to provide power for the loading device, and the loading device is used for the geotechnical The synthetic material 17 applies pressure.

[0046] The bracket assembly includes a steel base plate 20, and a motor mount 1, a column 9 and an eccentric device support 19 arranged on the top, the drive device is installed on the motor mount 1, and the output shaft of the drive device is prov...

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Abstract

The invention discloses a construction damage test device for geosynthetic materials, which includes a combined steel box, a loading device and a driving device. The loading device drives the driving connecting rod through the eccentric wheel mechanism to perform alternate up and down reciprocating movements, and then the driving connecting rod drives the pair of pressure plates. Combine the filling soil and geosynthetic materials in the steel box for loading test; use the eccentric wheel mechanism, the loading height of the pressure plate can be realized by changing the eccentric distance of the eccentric wheel, and the loading of the pressure plate can be realized by changing the speed of the driving device at the same time frequency. The test device can complete the indoor construction damage test of geosynthetics, control the progress of the test, ensure the soil in the steel box is uniformly stressed and fully compacted; ensure the accuracy of the construction damage test of geosynthetics; truly restore the outdoor Construction damage test of geosynthetics.

Description

technical field [0001] The invention belongs to the technical field of geotechnical testing instruments, in particular to an indoor testing device for construction damage of geotechnical synthetic materials. Background technique [0002] Geosynthetics will be damaged to varying degrees during laying and filling compaction, resulting in a reduction in strength. Since the strength reduction of geosynthetics caused by construction is a factor that must be considered in design, the construction damage reduction factor is an important parameter to measure the strength of geosynthetics due to damage during construction. [0003] During the construction process of geosynthetics, there are many influencing factors and the randomness is large, so it is difficult to determine the reduction coefficient of construction machinery damage during design. The construction damage of geosynthetics is not only related to the material and type of the material itself, but also related to constru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/08G01N3/02G01N1/36G01N1/28
CPCG01N1/286G01N1/36G01N3/02G01N3/08G01N2001/366G01N2203/0003G01N2203/0016G01N2203/006G01N2203/0298G01N2203/0641
Inventor 刘杰杨新龙董刚毛爱民宋亮马建勇孙云龙陈建刚郑思敏郭铭倍阿布扎尔于琨刘文涛张建稿王孟娜赵奇峰王博马冰段彦福
Owner 新疆交通规划勘察设计研究院有限公司
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