地基液化势新评价方法

A New Method for Evaluating Liquefaction potential of Ground

本文提出了用概率可靠性理论评价地基液化势的方法。考虑了液化抗剪强度参数和地震参数的不确定性影响,从而指出其液化概率,在此基础上,建立了两项新指标:抗液化系数F_(LR)和液化度D_L,进一步对地基液化程度作出确切的评价。

A method to evaluate liquefaction potential of ground by the theory of probabilistic reliability is proposed in this article. Considering the affects of the uncertainties of both liquefaction shear strength parameters and seismic parameters, the liquefaction probabilities are pointed out, and based on those, two new indices, coefficient of liquefaction, F_(LR) and degree of liquefaction, D_L, are set up. An accurate evaluation is further made on degree of ground liquefaction.