Reduction of seismic wave energy of SH pulse by nonlinear soil

Gicev, Vlado and Trifunac, Mihailo and Todorovska, Maria (2012) Reduction of seismic wave energy of SH pulse by nonlinear soil. In: 15th World Conference of Earthquake Engineering, 24-28 Sep 2012, Lisboa, Portugal.

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Abstract

Two-dimensional models of a building on a rectangular, flexible foundation in nonlinear soil are analyzed. The building is assumed to be linear, but the foundation and the soil can experience nonlinear deformations. It is shown that the wave energy dissipated during the development of nonlinear strains in the soil can consume a significant part of the input wave energy, and thus less energy is available for excitation of the building. The results help explain why, during the 1994 Northridge earthquake in California, the damage to residential buildings in the areas that experienced large strains in the soil was absent or significantly reduced. The results also suggest major advantages that result from the designs that consider nonlinear soil response.

Item Type: Conference or Workshop Item (Paper)
Subjects: Natural sciences > Earth and related environmental sciences
Natural sciences > Matematics
Natural sciences > Physical sciences
Divisions: Faculty of Computer Science
Depositing User: Vlado Gicev
Date Deposited: 06 Nov 2012 13:56
Last Modified: 15 Aug 2013 10:57
URI: http://eprints.ugd.edu.mk/id/eprint/343

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