›› 2005, Vol. 26 ›› Issue (S1): 73-76.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Undrained cyclical torsional shear tests on saturated sand in different confining pressures

FENG Tu-gen1, LIU Han-long1, XIANG Shu-zheng2, ZHOU Yun-dong1, GAO Yu-feng1   

  1. 1. Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China; 2. Linyi Municipal Investigation and Design Institute of Water Resources, Linyi 276001, China
  • Received:2005-02-13 Published:2005-12-15

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Abstract: Tests with the static-dynamic dual purpose triaxial compression test apparatus which was manufactured by Hohai University and Japan Round Well Company have been completed. Through the dynamic torsional shear undrained tests on empty heart column body samples, the dynamic undrained response of the same relative density in different consolidation confining pressures is known. Effect of initial mean effective stress on the behavior is examined by tests under undrained cyclic loading at several initial confining stresses with the same stress rations. The results indicate that the stress path is not affected by changing the initial effective mean stress if the shear stress ratio remains the same.

Key words: torsional shear, saturated sand, static-dynamic dual purpose triaxial compression test apparatus, undrained

CLC Number: 

  • TU 45
  • 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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