A new method for estimating the characteristic values of soil’s bearing capacity between piles
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摘要: 在复合地基设计中，多层土的桩间土承载力特征值如何准确估算，一直困扰着工程设计人员。论文针对工程中三种经验估算方法的不足，依据国家及行业规范要求，通过力学分析、推导，提出一种新的复合地基桩间土承载力特征值的估算方法，并通过算例进行了验证。关键词： 复合地基；桩间土；承载力特征值；估算Abstract: In the design of composite foundation, how to accurately estimate the bearing capacity of soil among piles is still puzzling the engineering designers. Aiming at the lack of three kinds of empirical estimation methods in engineering, a new kind of estimation method is proposed on bearing capacity characteristic values of soil among piles in composite foundation, based on the national and profession standards. Mechanical analysis and derivation are carried out and the correctness of the method is verified with calculation examples. The method is more rigorous than the existing empirical estimation method, and the calculation results are more reasonable and reliable. The method can be used by engineering designers for reference.
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