Exact Nonstationary Response of a Sliding Rigid Structure to a Modulated White Noise Base Excitation

by Marc P. Mignolet, Arizona State Univ, Tempe, AZ, USA,
Guangwuu W. Fan, Arizona State Univ, Tempe, AZ, USA,



Document Type: Proceeding Paper

Part of: Probabilistic Mechanics and Structural and Geotechnical Reliability

Abstract:

The seismic design of embankment dams, earth retaining walls and base isolation systems have emphasized the dynamic analysis of a rigid block sliding on a moving base. In an early study of this problem, T.K. Caughet and J.K. Dienes (1961) determined the exact transition probability functions of the velocity of the block when the base acceleration is a stationary white noise process. The goal of the present investigation is to complement the available analysis techniques by providing a generalization of these previous analytical results to the case of an arbitrarily modulated white noise ground acceleration.

Subject Headings: Dynamic structural analysis | Seismic design | Noise pollution | Base isolation | Structural dynamics | Sliding effects | Seismic tests

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