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Deterministic 3D Seismic Damage Analysis of Guandi Concrete Gravity Dam
This chapter investigates the seismic cracking behavior of Guandi concrete gravity dam. Three dimensional nonlinear finite element analyses are carried out for the Guandi dam-reservoir-foundation system, with the effects of contraction joints and cross-stream seismic excitation considered. The opening/closing and sliding behaviors of contraction joints during earthquake events are modeled using two different surface-to-surface contact models, which aims to quantify the effect of grouting materials between the joint surfaces. The dynamic interaction between the impounded water and the dam-foundation system is explicitly taken into account by modeling the reservoir water with three dimensional fluid finite elements in the Lagrangian formulation. Several case studies are examined and the results reveal the significant influence of contraction joints and cross-stream ground motions on the dynamic response and damage-cracking risk of the Guandi concrete gravity dam.
Deterministic 3D Seismic Damage Analysis of Guandi Concrete Gravity Dam
This chapter investigates the seismic cracking behavior of Guandi concrete gravity dam. Three dimensional nonlinear finite element analyses are carried out for the Guandi dam-reservoir-foundation system, with the effects of contraction joints and cross-stream seismic excitation considered. The opening/closing and sliding behaviors of contraction joints during earthquake events are modeled using two different surface-to-surface contact models, which aims to quantify the effect of grouting materials between the joint surfaces. The dynamic interaction between the impounded water and the dam-foundation system is explicitly taken into account by modeling the reservoir water with three dimensional fluid finite elements in the Lagrangian formulation. Several case studies are examined and the results reveal the significant influence of contraction joints and cross-stream ground motions on the dynamic response and damage-cracking risk of the Guandi concrete gravity dam.
Deterministic 3D Seismic Damage Analysis of Guandi Concrete Gravity Dam
Advd Topics Sci.,Technology China
Wang, Gaohui (author) / Lu, Wenbo (author) / Zhang, Sherong (author)
2020-07-11
26 pages
Article/Chapter (Book)
Electronic Resource
English
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