›› 2006, Vol. 27 ›› Issue (12): 2269-2272.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Test study of dynamic characteristics of granitic residual soil for highway subgrade

LI Zhi-yong1,2, CAO Xin-wen2, XIE Qiang2   

  1. 1. Hunan Institute of Communication and Transport, Changsha 410015; 2. School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031
  • Received:2005-02-21 Online:2006-12-11 Published:2013-12-09

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Abstract: The dynamic-triaxial test was carried out to study the dynamic characteristics of granitic residual soil under repeated loading. The curve describing the granitic residual soil dynamic strength dependence of loading-number and the acceptable permanent strain is depicted. The variation of the dynamic characteristics with the change of the confining pressure, compacted factor and moisture content is discussed. As a result, the design principle of the subgrade through the dynamic characteristics is brought forward.

Key words: subgrade, filling material, granitic residual soil, dynamic characteristic, dynamic triaxial test

CLC Number: 

  • TU 435
  • 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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