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Ingeniería sísmica

versão impressa ISSN 0185-092X

Resumo

GONZALEZ BLANDON, Claudia M.  e  ROMO ORGANISTA, Miguel P.. Estimación de propiedades dinámicas de arcillas. Ing. sísm [online]. 2011, n.84, pp.1-23. ISSN 0185-092X.

A modeling procedure based on Masing rules is proposed to estimate the nonlinear dynamic behavior of normally consolidated clays. The properties we are concerned in this paper are the shear modulus and the damping ratio. The procedure is the product of a careful analysis of the models proposed by Romo (1990, 1995) and Flores et al. (1999). This analysis supports the need to define values of the reference strain and of the parameter B, for each one of the dynamic properties. Therefore, it is concluded that the modeling of shear modulus and damping ratio should be carried out independently. Finally, the modeling procedure through an application exercise is presented. In this exercise, the G - γ and λ - γ curves of a clay sample from Mexico City are obtained.

Palavras-chave : Masing; clay; plasticity index; shear modulus; damping ratio.

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