堆
岩土工程
弯矩
液化
参数统计
土壤液化
地质学
屈曲
结构工程
工程类
数学
统计
作者
Sumanta Haldar,G. L. Sivakumar Babu
出处
期刊:International Journal of Geomechanics
[American Society of Civil Engineers]
日期:2010-04-01
卷期号:10 (2): 74-84
被引量:68
标识
DOI:10.1061/(asce)1532-3641(2010)10:2(74)
摘要
This paper presents the response of piles in liquefiable soil under seismic loads. The effects of soil, pile, and earthquake parameters on the two potential pile failure mechanisms, bending and buckling, are examined. The analysis is conducted using a two-dimensional plain strain finite difference program considering a nonlinear constitutive model for soil liquefaction, strength reduction, and pile-soil interaction. The depths of liquefaction, maximum lateral displacement, and maximum pile bending moment are obtained for concrete and steel piles for different soil relative densities, pile diameters, earthquake predominant frequencies, and peak accelerations. The potential failure mechanisms of piles identified from the parametric analysis are discussed.
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