›› 2011, Vol. 32 ›› Issue (6): 1643-1648.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Visualization testing on liquefaction properties of saturated sands

YANG Yong-xiang1, ZHOU Jian2, 3, JIA Min-cai2, 3, HU Jin-hu1   

  1. 1. Institute of Resources and Environment, North China Institute of Water Resources and Electric Power, Zhengzhou 450011, China; 2. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 3. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China
  • Received:2009-11-10 Online:2011-06-10 Published:2011-06-21

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Abstract: Based on the C.K.C cyclic triaxial testing system, a cyclic triaxial visible testing system was designed for studying the liquefaction behavior of saturated sands at the meso-mechanical level. The cyclic triaxial visualization testing was performed on saturated sands. The meso-fabric characteristics of saturated sands were studied such as motion and macro-axis orientation for sand granules, average coordination number and porosity. The results show that, sand granules continuously rearrange and redirect for the new stress state under cyclic loading; then liquefaction occurs. And the study shows that the meso-mechanism of sand liquefaction can be analyzed by the cyclic triaxial visualization testing system for real-time visible liquefaction

Key words: visualization, cyclic triaxial testing, saturated sands, liquefaction, meso-fabric

CLC Number: 

  • TU 443
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