Experimental Study of Clustered Structures With Sfsi

Abstract eng:
In current seismic design scant attention is given to the flexibility of the supporting soil. For simplicity structures are assumed to be attached to a fixed rigid base. In reality any structure is supported by multiple geological strata of different stiffness and mass. The combination of stiffness and mass gives rise to a fundamental frequency for the site. The response of the structure to earthquake vibration depends on the relationship between the properties of local site and the fundamental frequency of the structure. In the case of closely adjacent structures there is vibrational coupling between the building and the surroundings. Hence, generally no building exists in isolation. In this study the dependency of the building response on the local site will be presented. In case of closely adjacent buildings there is an exchange of energy between the adjacent buildings.

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