Abstract
Based on the comprehensive analysis of the basic parameters of the reservoir dam, the engineering hydrogeological conditions and the internal relationship between the time and space deformation of the valley and the reservoir dam after impoundment, a three-dimensional model of about 500 m on the left and right banks of transverse river direction is established for dynamic simulation. The deformation and stress evolution of the high slopes of rock and soil on both sides of the dam area of a large power project are simulated by using finite element method and finite difference method, and the development law of deformation, stress distribution and the change characteristics of internal unbalanced force are analyzed, as well as the deformation speed of the high slopes on both sides of the river in the direction of facing the airport and the speed of valley deformation. The research results can provide reference for the stress distribution, valley deformation law and safety monitoring of rock mass on both banks in design and research of dam engineering.
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