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The Verification Methods of the Strength for Soft Underground Stratum Foundation
Author(s): 
Pages: 8-10
Year: Issue:  2
Journal: Geotechnical Investigation & Surveying

Keyword:  复合地基 软弱下卧层 强度;
Abstract: 当天然地基承载力不能满足要求时,经常采用复合地基。当处理范围以下存在软弱下卧层时,应按国家标准《建筑地基基础设计规范》(GB50007-2002)的有关规定进行软弱下卧层承载力验算。软弱下卧层承载力验算的关键是应用合适的扩散模型求出软弱下卧层顶面的附加压力。本文重点分析了不同类型的竖向增强体复合地基在验算软弱下卧层强度时所采用的扩散模型,详细介绍了各种扩散模型的应用方法,对工作中容易被忽视的地方进行了分析。
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