›› 2007, Vol. 28 ›› Issue (S1): 111-113.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Experimental research on limestone of strength and deformability under different confining pressures

XIONG Zan-min 1, GAO Quan-chen1, WU Ai-qing2, HU Jian-min2   

  1. 1.School of Mechanics and Civil Engineering, CUMT, Beijing 100083, China; 2. Yangtze River Scientific Research Institute, Wuhan 430010, China)
  • Received:2007-05-31 Online:2007-10-25 Published:2014-03-28

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Abstract: Triaxial compressive tests on limestone are conducted with a variety of confining pressures that range from 2MPa to 10MPa. This observation causes us to conclude that the deformation of limestone can be divided into four stages and the wreck is brittle cutting, The peak and stub intensity value increase with the confining pressure adding up, but the strain of the stress peak has no relativity to the confining pressure. By the redressing analysis, the formula of relation between intensity parameters is produced.

Key words: limestone, different confining pressures, strength and deformability, triaxial testing

CLC Number: 

  • TU452
  • 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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