›› 2011, Vol. 32 ›› Issue (2): 471-473.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Relationship between effective stress intensity index and total stress intensity index

CHEN Juan   

  1. City College of Wuhan University of Science and Technology, Wuhan 430083, China
  • Received:2009-12-14 Online:2011-02-10 Published:2011-02-16

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Abstract:

When the soil specimens are ruptured the rupture angle , which is obtained from the calculation using the total stress intensity index is not the real rupture angle. It is only a hypothetical rupture angle. Corresponding to the hypothetical rupture angle is the hypothetical shear rupture surface. According to the results of the tests, it is concluded that the real rupture angle is obtained from the calculation using the effective stress intensity index when the soil specimens are ruptured. It is analyzed and demonstrated that, in the shear strength calculation formula of the soil related, the effective stress intensity index and the total stress intensity index can not be confused. And in the formula, the effective stress intensity index should correspond to the effective stress; the total stress intensity index should correspond with the total stress.

Key words: effective stress intensity index, total stress intensity index, effective stress, total stress

CLC Number: 

  • TU 411.7
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