Back analysis of rock slope GSI magnitude under Hoek-Brown criterion

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[1] Sun, Zhibin
[2] Yang, Xiaoli
[3] Huang, Fu
来源：
Sun, Z. (sunzbcs@126.com) | 2013年 / Central South University of Technology卷 / 44期
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摘要：
For slope in closely jointed schist rock mass, the equation of the slid surface was solved by the limit analysis upper bound theorem under Hoek-Brown criterion. The relationship between GSI and the slid surface depth was analyzed and the change law of slid surface with γ and H was plotted. The results show that the GSI can be back analyzed utilizing the slid surface depth. Finally, a example proves the effectiveness of this method.
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