Two-Parameter Parabolic Mohr Strength Criterion Applied to Analyze the Results of the Brazilian Test

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Geotechnical engineering in tension damage is one of the major failure modes. For a long time, Brazil test has practical significance and wide application value that has been used to determine the tensile strength of rock. When the specimen center destroyed tensile stress play a major role that is the theoretical basis of Brazil test. This is uniaxial tensile stress state, but the reality is complex stress state. Theoretical analysis shows that the Brazilian test does not truly reflect the tensile strength of rock, its test results to error. In this paper, two-parameter parabolic Mohr strength criterion for this error analysis, and propose amendments to the formula.

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Periodical:

Edited by:

Li Qiang

Pages:

630-634

Citation:

Q. Fan et al., "Two-Parameter Parabolic Mohr Strength Criterion Applied to Analyze the Results of the Brazilian Test", Applied Mechanics and Materials, Vol. 624, pp. 630-634, 2014

Online since:

August 2014

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$38.00

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[1] Shen Ming-rong. Rock mechanics [M]. Shanghai: Tongji University Press, (1999).

[2] Yu Yong. Questioning the validity of the Brazilian test for determining tensile strength of rocks [J]. Chinese Journal of Rock Mechanics and Engineering,2005,24(7):1150-1 157.

[3] Yu Yong, Chen Ping. Spatial distribution of tensile stress in Brazilian disk test of rock [J]. Rock and Soil Mechanics, 2005, 26(12): 1913-(1916).

[4] Мусхелишьили. H И. Some basic problems in mathematic elastics mechanics (Translated by ZHAO Hui-yuan) [M]. Beijing: Science Press, 1958, 249~251.

[5] Cai Mei-feng, He Man-chao, Liu Dong-yan. Rock Mechanics and Engineering [M]. Beijing: Science Press, 2002, (1): 223-226.