Compression–shear strength criterion of coal–rock combination model considering interface effect
Abstract
Surrounding rocks around coal tunnel in western mining area of China are typical composite structures composed of weakly cemented soft rock and hard coal, and the tunnel stability is closely related to the overall mechanical behavior of the combination body. The equivalent homogeneous model of coal–rock combination body and its stress state expressions were firstly established based on the strain energy equivalency principle. Then, the general...
Paper Details
Title
Compression–shear strength criterion of coal–rock combination model considering interface effect
Published Date
Mar 1, 2015
Volume
47
Pages
193 - 199
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