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Position: Home > Articles > New formula of critical load of subsoil Journal of Agricultural University of Hebei 2009,32 (5) 98-101

新的临界荷载计算公式

作  者:
隋凤涛;王士杰;马建超
单  位:
河北农业大学;河北省水利工程局
关键词:
地基承载力;临塑荷载;临界荷载;莫尔—库伦破坏准则;静止侧压力系数
摘  要:
基于莫尔—库仑强度理论,重新推导了K0≠1条件下的地基临界荷载计算公式,该公式避免了人为的过高估计地基承载力的缺陷,能够更好的反映地基承载力的实质。通过实例计算,对新旧承载力公式的计算结果进行了比较。
译  名:
New formula of critical load of subsoil
作  者:
SUI Feng-tao1,WANG Shi-jie1,MA Jian-chao2(1.College of Urban and Rural Construction,Agricultural University of Hebei,Baoding 071001,China;2.Hebei Water Conservancy Engineering Burean,Shjiazhuang 050021,China)
关键词:
subgrade bearing capacity;critical edge pressure;critical load;Mohr-Coulomb failure criteria;coefficient of lateral earth pressure
摘  要:
Based on the Mohr-Coulomb strength theory,a new formula of critical load of subsoil with K0≠1 is deduced.This method avoids artificial overestimated results due to the assumed K0≠1,which can reflect the essentials of subgrade bearing capacity more accurately.Example calculations indicate that the new formula is more reliable than the old formula.

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