摘要
从径向土体固结方程出发,利用e-logσ和e-logk模型,推导出瞬时加载情况下,考虑应力集中、涂抹区影响和桩阻效应的复合地基固结解,分析结果表明:随着Cc/Ck的增大,复合地基固结速率减小,且Cc/Ck对固结的影响随桩阻变化很小;应力比对复合地基固结速率的影响较小。
Starting from horizontal soil consolidation equation, using e-logtr and e-logk model, the paper induces the composite foundation con- solidation under the condition of considering instant load, stress concentration, trowelling zone impact and pile resistance effect. The analysis re- suits show that： with the Ce/Ck increasing and composite foundation consolidation rate will reduce, the impact of Ce/Ck upon consolidation will be reducing with the pile resistance changing, the impact of stress ratio upon composite foundation consolidation rate is smaller.
出处
《山西建筑》
2012年第26期63-64,共2页
Shanxi Architecture
关键词
复合地基
桩阻效应
固结速率
应力比
长细比
composite foundation, pile resistance effect, consolidation rate, stress ratio, slenderness ratio
