装配式方形基础的黏土地基承载力特性研究Behaviour of Bearing Capacity of Square Footings on Clays
王健;吴涵;陈彬;陈石川;夏圣峰;李衍川;
摘要(Abstract):
利用弹塑性有限元分析可满足快抢快建的装配式方形基础作用下不同黏土类型地基的极限承载力.通过预位移方法研究基础的极限承载力及其破坏模式,提出载承力计算图和V-H面的承载力包络图,讨论尺寸效应.研究表明:基础尺寸对地基极限承载力影响显著,而对无量纲承载力以及归一化承载力包络面影响甚微;地基承载力也随着土体的模量增加而增加,其中硬塑黏土的无量纲承载力和归一化承载力包络面的曲线倾斜角略大于其它土体地基.
关键词(KeyWords): 黏土地基;极限承载力;承载力包络面;尺寸效应
基金项目(Foundation): 国家电网有限公司科技项目(13KJ5401A093120170000);; 福建省政府引导性项目(2017Y0063)
作者(Authors): 王健;吴涵;陈彬;陈石川;夏圣峰;李衍川;
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