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He Changrong, Zhang Liu, Guo Ying long. 1994: A TESTING METHOD CONTROLLING THE COMBINATION OF LOAD AND DISPLACEMENT. JOURNAL OF ENGINEERING GEOLOGY, 2(1): 38-45.
Citation: He Changrong, Zhang Liu, Guo Ying long. 1994: A TESTING METHOD CONTROLLING THE COMBINATION OF LOAD AND DISPLACEMENT. JOURNAL OF ENGINEERING GEOLOGY, 2(1): 38-45.

A TESTING METHOD CONTROLLING THE COMBINATION OF LOAD AND DISPLACEMENT

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  • Publish Date: 1994-01-22
  • This paper introduces a new testing method developed by Okuboet el. which is used to control a linear combination of force and displacenlent. It was implemented on a specially designed servo-controlled testing system and a MTS machine successfully.The method may be used for many testing purposes concerning the mechanisms of weakening processes. Complete stress-strain curve can be obtained by this method and its application gives some testing methods such as generalized relaxation test, which may be used to investigate time-dependent failure behaviour ofrock.
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  • [1] Wawersik W R,Fairhurst C. A study of brittle rock failure in laboratory compression experiments. Int.J. RockMech. Min. Sci.,1970, 7:561-575.


    [2] Okubo S, Nishimatsu Y, Uniaxial compression testing using a linear combination of stress and strainas thecontrol variable. Int. J. Rock Mecn. Min. Sci. and Geomech. Abstr. 1985, 22:323-330.


    [3] Hudson J A. Brown W F, Fairhurst, C. Otpimizing the control of rock failure in servo-controlledlaboratory tests. RockMech.,1971,3:217-224.


    [4] Sano O. Terada M. Ehara S. A study on the time-dependet microfracturingand strength of Oshima granite.Tectono physics. 1982,84:343-362.


    [5] Okubo S, Nishimatsu Y, He C. Loading rate dependence of class II rockbehaviour in uniaxial and triaxialcoompress}on tests--anapplication of aproposed new control method. Int. J. Rock Mech. Min. Sci. andGeomech. Abstr. 1990, 27 C559-562).


    [6] He C. OkuboS Nishimatsu Y. A study on the class II behviour of rock. Rock Mechanich and Rock Engineering. 1990, 23 (261-273).


    [7] Wawers}k W R and Brace W F. Post-failure behavior of a granite and diabase.61-85.


    [8] 何昌荣.岩石在压缩荷重下的变形、破坏时间依赖性.东京大学博士学位论文,


    [9] Rice J R. The mechanics of earthquake rupture. in:Physics of the earth'sinterior,Boschi E. 555-649. Italian Physical Soc.,Bologna,Italy. 1980.

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