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An approach for deformation modulus mechanism of super-high arch dams
Bangbin Wu,Jingtai Niu,Huaizhi Su,Meng Yang,Zhongru Wu,Xinbo Cui 국제구조공학회 2019 Structural Engineering and Mechanics, An Int'l Jou Vol.69 No.5
The reservoir basin bedrock produced significant impact on the long-term service safety of super-high arch dams. It was important for accurately identifying geomechanical parameters and its evolution process of reservoir basin bedrock. The deformation modulus mechanism research methods of reservoir basin bedrock deformation modulus for super-high arch dams was carried out by finite element numerical calculation of the reservoir basin bedrock deformation and in-situ monitoring data analysis. The deformation modulus inversion principle of reservoir basin bedrock in a wide range was studied. The convergence criteria for determining the calculation range of reservoir basin of super-high arch dams was put forward. The implementation method was proposed for different layers and zones of reservoir basin bedrock. A practical engineering of a super-high arch dam was taken as the example.