›› 2005, Vol. 26 ›› Issue (4): 624-628.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Control factors on shear strength of completely decomposed granite

ZHAO Jian-jun1,2, WANG Si-jing3, SHANG Yan-jun3, YUE Zhong-qi4   

  1. 1.College of Civil Engineering, Hohai University, Nanjing 210098, China; 2. Department of Civil Engineering, TIUC, Tianjin 300384, China; 3. Institute of Geology, CAS, Beijing 100029, China; 4.Hong Kong University, Hong Kong, China
  • Received:2003-12-26 Online:2005-04-09 Published:2013-12-19

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Abstract: The relations among the shear strength, microstructure and composition of completely decomposed granite are discussed. The friction angle is mainly controlled by the content of particles greater than 0.5 mm and total content of quartz and feldspar. The discreteness of cohesion is attributed to the complexity of control factors. The relationship between the shear strength and the strain shows that friction has a predominant proportion in the shear strength. And furthermore, it can explain the discreteness of cohesion as well.

Key words: completely decomposed granite (CDG), shear strength, cohesion, friction angle

CLC Number: 

  • TU 43
  • 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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