软弱下卧层是在《桩基》5.4.1中明确规定了只有当软弱下卧层的承载力低于持力层的1/3时才进行软弱下卧层验算。
有软弱下卧层时确定天然地基上基础底面积的简便方法-建筑结构 关键词】 基础底面积 地基承载力 软弱下卧层 [gap=798]Keywords:base area; subgrade bearing capacity; soft substratum
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Based on the previous manner, the effect of soil parameters such as thickness of supporting course, depth of embedded and pile dimension on vertical bearing behavior of large diameter belled pile in soft substratum are studied.
在此基础上,分别研究持力层厚度、桩端入持力层深度和土层参数的变化以及桩身尺寸的变化对存在软弱下卧层的大直径扩底桩竖向承载性状的影响。
参考来源 - 存在软弱下卧层的大直径扩底桩竖向承载性状的数值模拟·2,447,543篇论文数据，部分数据来源于NoteExpress
本文研究具有软弱下卧层的地基极限承载力问题。
This paper deals with the ultimate bearing capacity of a foundation with soft clay underlying layer.
当桩端未加固土层以下有软弱下卧层时，应对其进行软弱下卧层验算；
When there is weak underlying stratum bellowed the soil which is not be reinforced, the weak underlying stratum should be taken checking computations.
三组室内模型试验表明具有软弱下卧层的地基破坏模型基本上属于冲切破坏。
Three sets of model test in laboratory show that the failure model in the foundation with soft clay underlying layer belongs basically to the punching shear failure.
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