›› 2005, Vol. 26 ›› Issue (4): 531-537.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Investigation on triaxial rheological mechanical properties of greenschist specimen (I): experimental results

XU Wei-ya1, YANG Sheng-qi1, YANG Song-lin1, XIE Shou-yi2, SHAO Jian-fu2, WANG Yi-feng3   

  1. 1. Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China; 2. LML, Universite des Science et Technologie de Lille, Lille 59650, France; 3. Chengdu Investigation Design and Research Institute for Hydropower, Chengdu 610072, China
  • Received:2004-09-18 Online:2005-04-09 Published:2013-12-19

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Abstract: In order to know about the rheological properties of greenschist specimen in Jingping First Stage Hydropower Project, triaxial compression rheological experiments with greenschist spceimens were carried out on the rock servo-controlling rheology testing machine. Based on the triaxial rheological experimental results, the variance law of axial and lateral strains of greenschist specimens with the time under different confining pressures is investigated. The effect of rheological properties on the stress-strain curve of greenschist is also discussed. At the same time, the variance tendency of axial and lateral rheological rates under different deviatoric stresses is discussed in detail; and rheological failure mechanism under different confining pressures is also analyzed. The triaxial rheological law of greenschist specimen is mastered, which brings important reference for the identification of parameters when carrying out the rheological numerical finite element analysis of this hydropower project.

Key words: rock mechanics, greenschist, triaxial rheology, axial strain, lateral strain, rheological rate, experimental investigation

CLC Number: 

  • TU 485+.3　　　　
  • 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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