Research on factors influencing HDPE-sand interface frictional properties by tilting table tests

LI Zhi-bin; XU Chao; YE Guan-bao; LIAO Xing-yue

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Research on factors influencing HDPE-sand interface frictional properties by tilting table tests

更新时间：2026-06-25

- Research on factors influencing HDPE-sand interface frictional properties by tilting table tests
- Vol. 27, Issue 12, (2006)
- 作者机构：
  
  1. 同济大学岩土工程重点实验室,上海,200092
  2. 同济大学土木工程学院地下建筑与工程系,上海,200092
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU411.99
- Online First：09 December 2013，
  
  Published：2006
- 稿件说明：
移动端阅览
LI Zhi-bin, XU Chao, YE Guan-bao, et al. Research on factors influencing HDPE-sand interface frictional properties by tilting table tests[J]. 2006, 27(12).
DOI：

LI Zhi-bin, XU Chao, YE Guan-bao, et al. Research on factors influencing HDPE-sand interface frictional properties by tilting table tests[J]. 2006, 27(12). DOI：

摘要

使用斜板仪量测了HDPE膜与砂土接触面的摩擦特性参数。为了分析影响摩擦特性的因素，试验中使用3种粗糙度的HDPE膜和3种状态的砂。为了模拟低应力条件下的接触特性，斜板仪的正应力控制在1.0～9.0 kPa之间。试验结果表明接触面的尺寸、HDPE膜的粗糙程度、砂的干湿状态和密实度对接触面的摩擦特性有影响，其影响分别为：(1) 接触面尺寸越大，摩擦角越大；(2) HDPE膜越粗糙，摩擦角越大；(3) 潮湿砂土与HDPE膜接触面的摩擦角大于干燥砂土的；(4) 松散砂土与HDPE膜接触面的摩擦角小于密实砂土的。

Abstract

Frictional parameters of HDPE-sand interface are measured using tilting table device. In order to analyze the factors influencing frictional properties

three kinds of HDPE with different asperities and three kinds of sands with different states are used in the experiments. Tilting table tests are conducted under a normal stress range of 1.0–9.0 kPa to simulate frictional characteristics under low stresses. It is found from the results that the interface dimensions

asperity of HDPE

the state of sand have effects on the frictional properties. Test results indicate that: (1) the larger the interface

the bigger the frictional angle is; (2) the rougher the HDPE surface

the bigger the frictional angle is; (3) frictional angle of wet sand and HDPE interface is bigger than that of dry sand; (4) frictional angle of loose sand and HDPE interface is smaller than that of dense sand.

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