›› 2006, Vol. 27 ›› Issue (6): 1005-1010.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Testing study on damage of granite samples after high temperature

QIU Yi-ping, LIN Zhuo-ying   

  1. School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiaotong University, Shanghai 200240, China
  • Received:2005-01-04 Online:2006-06-10 Published:2013-11-14

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Abstract: The compressional elastic wave velocities are measured for 25 granite samples in Henan Province before and after high temperature; and the complete stress and strain experiment of uniaxial compression is carried out. Through the experiment, the rock damage change due to temperature, temperature affects on rock porosity density and damage strain energy release rate, were observed. The experimental data show that the plastic strain of granite mainly depends on the strain energy of distortion due to deviatoric stress, but not on the strain energy of volume change.

Key words: temperature, damage, porosity density, strain energy release rate

CLC Number: 

  • TU 458
  • 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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