Experimental study of tensile properties of geogrids

YANG Guang-qing; PANG Wei; Lü Peng; ZHOU Qiao-yong

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Experimental study of tensile properties of geogrids

更新时间：2026-06-25

- Experimental study of tensile properties of geogrids
- Vol. 29, Issue 9, (2008)
- 作者机构：
  
  石家庄铁道学院土木分院,河北,石家庄,050043
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：03 August 2013，
  
  Published：2008
- 稿件说明：
移动端阅览
YANG Guang-qing, PANG Wei, Lü Peng, et al. Experimental study of tensile properties of geogrids[J]. 2008, 29(9).
DOI：

YANG Guang-qing, PANG Wei, Lü Peng, et al. Experimental study of tensile properties of geogrids[J]. 2008, 29(9). DOI：

摘要

进行土工格栅加筋土结构现场试验时，如何将实测应变有效地转换成拉应力对正确分析结构的作用机制具有重要影响。通过室内试验，研究了不同拉伸速率对3种强度的HDPE土工格栅拉伸性能的影响。试验结果表明：土工格栅的拉伸强度和拉伸模量随拉伸速率的降低而降低，峰值应变随拉伸速率的降低而增加。土工格栅强度越高，受拉伸速率的影响越小。在特定的拉伸速率条件下，同一种土工格栅对应2 %，5 %，10 %应变和峰值应变的拉伸强度依次增大，而拉伸模量却依次减小。试验结果具有较强的实用价值。

Abstract

In the geogrids reinforced soil structure field test

availably convert the measure strain to tensile stress is very important. This can help to analyze the mechanism of action accurately. Through the indoor tests

the tensile properties of three HDPE geogrids with different strain rates are studied in this paper. It is concluded that the tensile strength and tensile modulus will decrease with the decrease of tensile rate; and the peak strain decreases with the decrease of the tensile rate. The strain rate will have smaller influence on the higher strength geogrids. In the specifical tensile rate

The tensile strength corresponding to 2%

10% and peak strain increase in turn

the tensile modulus reducing in turn.

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