Abstract

This paper presents results of theoretical analyses on in situ vibration test results of large-scale rigid foundations on bedrock, and estimation method of interaction characteristics of foundation on bedrock, where attention is paid to the layered structure of the bedrock. Stiffness and damping of the foundation estimated from theoretical analysis using ground material properties based on elastic wave detection proves to compare well with experimental ones. Using the results of parameter survey with two layered ground model, damping characteristics of the foundation on layered bedrock is shown to be estimated by simple two-layered ground model.

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