Dynamic Time History Analysis on Groundwater Hydraulic Tunnel under Three Dimensional Viscoelastic Boundary Conditions

Ji Yao; Liang Cao; Hui Min Wang; Li Jie Zhang; Liang Wu; Shan Guang Qian

doi:10.4028/www.scientific.net/AMM.302.622

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 302Dynamic Time History Analysis on Groundwater...

Dynamic Time History Analysis on Groundwater Hydraulic Tunnel under Three Dimensional Viscoelastic Boundary Conditions

Abstract:

The three dimensional finite element model of a groundwater hydraulic tunnel was eatablished in this paper by FEM software ANSYS, two seismic waves of bedrock wave and EI-centro wave in similar sites were entered, and dynamic time history method was applied to compare the seismic response of the two hydraulic tunnels which were under rigid boundary conditions and viscoelastic boundary conditions respectively. The results showed that, the dynamic response of the model under rigid boundary conditions was larger than the response under viscoelastic boundary, and the viscoelastic boundary was closer to the actual situation. Under viscoelastic boundary conditions, the smaller depth of the hydraulic tunnel, the more intensive of the seismic response.

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Periodical:

Applied Mechanics and Materials (Volume 302)

Pages:

622-627

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.302.622

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Online since:

February 2013

Authors:

Ji Yao, Liang Cao, Hui Min Wang, Li Jie Zhang, Liang Wu, Shan Guang Qian

Keywords:

Finite Element, Seismic Bedrock Wave, Time History Analysis, Viscoelastic Boundary

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