›› 2005, Vol. 26 ›› Issue (6): 946-950.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Research on application of Kaiser effect of acoustic emission to measuring initial stress in rock mass

JIANG Yong-dong, XIAN Xue-fu, XU Jiang   

  1. Key Laboratory of Exploitation of Southwest Resources & the Environmental Disaster Control Engineering, Ministry of Education, Chongqing University, Chongqing 400030
  • Received:2005-03-08 Online:2005-06-10 Published:2013-12-17

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2007

Abstract: The principle, method and techniques for measuring initial stresses in rock, by the Kaiser effect are described. And the crustal stress denotation of the underearth rock measuring point and the basic equation are derived; through making samples on 9 special directions on the beamed rock cores and doing acoustic emission experiment, the unilateral plus stress values on each direction are obtained. They are introduced into the crustal stress calculating formula, and then the values, azimuth angle and obliquity of the three principal stresses are obtained. The results of this experiment are capable of reference for engineering project.

Key words: crustal stress, acoustic emission, Kaiser effect

CLC Number: 

  • TD 311 O4213
  • 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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