›› 2007, Vol. 28 ›› Issue (S1): 103-106.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on triaxial creep test for Jiudianxia rockfill materials

YU Hao, LI Hai-fang, WEN Yan-feng, XU Ze-ping   

  1. China Institute of Water Resources and Hydropower Research, Beijing 100044, China
  • Received:2007-05-25 Online:2007-10-25 Published:2014-03-28

Abstract: The creep deformation of rockfill is a key problem in design of high earth rockfill dam, but it is not solved well so far. Using the large-scale high pressure triaxial creep apparatus, a number of tests on rockfill are carried out. The triaxial creep test method, the jumping-off point of creep and the creep deformation steady criteria are discussed ,and at the same time the jumping-off point of creep and the creep deformation steady criteria are suggested. The test results show that the creep deformation for rockfill depend on confining pressure and stress level, especially in the high confining pressure and high stress level, the steady is slow in evidence. The relationship between creep deformation and time is linear in the log-log plot and the laws of the creep deformation are similar in different stress conditions.

Key words: rockfill, creep steady criterion, triaxial creep test

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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