Experimental study on tensile characteristics of plastic geogrid under low temperature

WANG En-liang; XU Xue-yan

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Experimental study on tensile characteristics of plastic geogrid under low temperature

更新时间：2026-06-25

- Experimental study on tensile characteristics of plastic geogrid under low temperature
- Vol. 29, Issue 6, (2008)
- 作者机构：
  
  1. 哈尔滨工业大学土木工程学院,哈尔滨,150090
  2. 黑龙江省水利科学研究院,哈尔滨,150080
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU476
- Online First：15 July 2013，
  
  Published：2008
- 稿件说明：
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WANG En-liang, XU Xue-yan. Experimental study on tensile characteristics of plastic geogrid under low temperature[J]. 2008, 29(6).
DOI：

WANG En-liang, XU Xue-yan. Experimental study on tensile characteristics of plastic geogrid under low temperature[J]. 2008, 29(6). DOI：

摘要

通过对塑料土工格栅在低温条件下的拉伸试验，得到拉伸屈服力、屈服伸长率、不同伸长率对应的拉伸力等数据，试验数据分析表明：（1）塑料土工格栅在低温状态下抗拉伸能力明显提高；（2）低温条件下，塑料土工格栅肋条截面积越大，拉伸力随温度降低而提高的幅度越大，屈服伸长率随温度的降低而下降的趋势越明显；反之，拉伸力受温度降低的影响逐渐减弱，屈服伸长率受温度降低的影响越小；（3）塑料土工格栅冻融循环后，与未冻融试样对照，拉伸特性没有降低。

Abstract

The data of plastic geogrid such as yield stress

elongation of yield

tensile force relating to different tensile stretches etc.

were obtained from the tensile test under low temperature. Through analyzing the test results

it is found that 1) The tensile characteristics of plastic geogrid enhance obviously under low temperature. 2) Under low temperature

the larger the cross-sectional area of ribbing is

the wider the increasing extent of tensile force is; while more obvious the decreasing trend of the elongation of yield. Contrarily

with the decreasing of the cross-section area of ribbing

the effect of temperature reducing on tensile force and elongation of yield is weakened gradually. 3) Compared with the unfrozen sample

the tensile characteristics change of the plastic geogrid suffered freeze-thaw cycling is not obvious.

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