Experimental Study on Strength and Deformation of Brittle Rock under Different Compression Condition

Abstract:

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This paper studies on the characteristics of strength and deformation of brittle rock under different compression condition by experimental tests. A lot of experimental tests for the Xiangjiaba sandstone are carried out under different compression condition, including uniaxial compression, triaxial compression, uniaxial monocyclic compression and uniaxial loading and unloading. Base on the experimental test results of the Xiangjiaba sandstone, the strength and deformation of brittle rock are analyzed, and some comparative analysis for the mechanics characteristics of brittle rock are carried out. The compute results show that, the peak strength of brittle rock is increased with the confining stress, and close to a linear relationship. Its also show that, the peak strength is not increased under the monocyclic compression, neither for the loading and unloading condition.

Info:

Periodical:

Materials Science Forum (Volumes 675-677)

Edited by:

Yi Tan and Dongying Ju

Pages:

511-514

DOI:

10.4028/www.scientific.net/MSF.675-677.511

Citation:

J. W. Zhou et al., "Experimental Study on Strength and Deformation of Brittle Rock under Different Compression Condition", Materials Science Forum, Vols. 675-677, pp. 511-514, 2011

Online since:

February 2011

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Price:

$35.00

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