Computer Numerical Simulation of Sluice Structure on Deep Overburden Foundation

This paper adopts the space combination finite element method to calculate the whole displacement and stress of chamber structure and foundation, calculates the overall stability against sliding and anti-floating stability safety coefficient of the lock chamber structure via the rigid body limit equilibrium method, and simulates the excavation and backfill of the covering through the method of the nonlinear variable stiffness. The calculation model effectively considers the lock chamber structure, foundation interaction and the influence of lock chamber structure on both sides of the concrete dam.