节点文献
单桩场地液化土横向流动的数值试验分析
Numerical test of lateral spreading of liquefied soil of single pile site
【摘要】 强震中,液化土体在重力作用下往往发生水平扩展流动,对桩基础造成了严重破坏,因此有关液化土体流动对桩的影响及其之间的动力相互作用,一直是岩土工程领域研究的热点。通过模拟振动台实验,将这一过程简化为三维的单桩模型进行计算。经过对某一固定流速土体流动的计算,分析得到液化土横向流动中自身的孔隙水压力、变形以及对桩的内力和位移的影响规律。
【Abstract】 During strong earthquakes,liquefied soil under gravity frequently has horizontally spreading deformation which causes serious damages of pile foundations.Therefore,the influence of soil flow on pile-soil interaction and piles’s earthquakes,liquefied soil under gravity frequently has horizont internal force and deformation is always the hot spots in geotechnical engineering.By simulating shake-talbe experiments,the three-diimensional single-pile model is simplified to the calculation of laterally spreading soil in unit velocity,during which the laws of pore water pressure,deformation and internal force,deformation are discussed.
【Key words】 simple flow velocity; laterally spreading; model of single pile site; nonlinear analysis of numerical test;
- 【文献出处】 吉林地质 ,Jilin Geology , 编辑部邮箱 ,2010年04期
- 【分类号】TU473.1
- 【下载频次】53