Seismic Response Analysis of the Tunnel with Accumulated Damage and Crack Effect in Table Test

Abstract eng:
Based on the background of tunnels to be constructed on high seismic intensity zone in southwest China, the large-scale shaking table test was conducted for studying the seismic capability of the tunnel portal structure. The aim of this paper is three-part: (a) to provide details of a series of shaking table experiments, (b) to understand the failure behavior at the certain excitation, and (c) to demonstrate that the response of these experiments can be simulated accurately under the damage-plastic model of geotechnical materials. The conclusion of this study should be of interest and use to professionals involved in the design of tunnel portal structures.

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