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Keywords: GSI value
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Proceedings Papers

Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-005
... of a circular tunnel excavated in the generalized Hoek-Brown rock masses of varying GSI values. For this purpose, the ABAQUS UMAT subroutine was used to implement the elasto-plastic constitutive law using the generalized Hoek-Brown failure criterion for yield function. 1. Introduction In the elasto-plastic...

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