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Dynamic Response of Massive Block to Transient Rayleigh Waves

by Heinz Antes, Ruhr-Univ Bochum, Bochum, West Germany,
Constantin Chris Spyrakos, Ruhr-Univ Bochum, Bochum, West Germany,



Document Type: Proceeding Paper

Part of: Dynamics of Structures

Abstract:

The study explores the dynamic behavior of a rigid massive block placed on a homogeneous elastic half-space soil medium and subjected to transient Rayleigh waves. The treatment of the semi-infinite soil is based on a time domain direct boundary element formulation. For a wide range of geometric and inertia parameters, an FFT is applied to the corresponding block impulse responses to provide a quantitative assessment of the effects of Rayleigh waves. Besides a comprehensive study of massive block structures to seismic waves, the method permits extension to consider geometric nonlinearities in soil-structure interaction.

Subject Headings: Boundary element method | Seismic waves | Rayleigh waves | Dynamic structural analysis | Transient response | Soil-structure interaction | Soil dynamics

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