Response of Underground Openings to Dynamic Loadings
A Finite-Element program for seismic analysis of underground structures is presented. The numerical formulation solves nonlinear dynamic problems including an infinite medium of rock or soil. As a general solution strategy a hybride numerical method is proposed. Its efficiency is demonstrated by examples. The combination of in-situ dynamic loading experiments and dynamic Finite-Element calculations gains the knowledge of dynamic response of underground structures and provides a basis for predictive numerical calculations.
KeywordsUnderground Structure Seismic Trace Vertical Seismic Profile Disturbed Zone Velocity Time History
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