›› 2008, Vol. 29 ›› Issue (6): 1507-1511.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Experimental study on tensile characteristics of plastic geogrid under low temperature

WANG En-liang1,2, XU Xue-yan1   

  1. 1. School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China;2. Heilongjiang Provincial Hydraulic Research Institute, Harbin 150080, China
  • Received:2006-10-23 Online:2008-06-10 Published:2013-07-15

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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.

Key words: plastic geogrid, low temperature, tensile test, tensile characteristics

CLC Number: 

  • TU 476
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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