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首页> 外文会议>Pan-American conference on soil mechanics and geotechnical engineering;Pan-Am CGS geotechnical conference;Canadian geotechnical conference >Development of a geosynthetic pullout test apparatus with transparent granular soil
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Development of a geosynthetic pullout test apparatus with transparent granular soil

机译：透明粒状土的土工抗拉试验仪的研制

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摘要

The paper describes the development of a transparent granular soil, pullout box apparatus and test methodology that can be used to investigate soil-geosynthetic interaction during pullout. The transparent soil is made of fused quartz particles in combination with a transparent fluid with the same refractive index. The pullout box has a glass bottom and the transparent granular soil allows photographs of the embedded geosynthetic specimen to be taken during the test. In this paper, image analysis is then performed on the photographs using the particle imaging velocimetry (PIV) technique. Axial displacements and strains are computed at locations along the length of a geogrid pullout specimen. These measurements are shown to provide quantitative insight into reinforcement-soil load transfer.
机译：本文介绍了透明颗粒状土壤的开发，拉出箱设备和测试方法，这些方法可用于研究拉出过程中土壤与土工合成的相互作用。透明土壤是由熔融石英颗粒与具有相同折射率的透明流体组合而成。拉出盒具有玻璃底部，透明的颗粒状土壤允许在测试过程中对嵌入的土工合成材料样本进行拍照。在本文中，然后使用粒子成像测速技术（PIV）对照片进行图像分析。在沿土工格栅拉拔试样长度的位置计算轴向位移和应变。这些测量结果显示出对钢筋-土壤荷载传递的定量了解。

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