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| | The chord-modulus method of the foundation engineering which is based on the computation of soil deformation including the loessial collapse is advanced.According to the comparison of the method and the methods in force,an objection to the latter is raised. | | 提出了以弦线模量计算地基变形(包括黄土的湿陷)的地基基础弦线模量设计法。通过大量工程实例,将该法与目前通用方法进行了对比,并对后者提出了异议。 | | 文摘来源 | | In this paper,frozen ground and spread wall foundation are regarded as a whole structure.The frozen ground, whose varions chord modulus and Pission's Ratio change with temperature,moisture and stress,is regarded as orthotropic nonlinear material.The heaving coefficient is regarded as negative linear expansion coefficient.According to the calculation procedure of structural thermalstress,the numerical calculation of the coaction between frozen ground and spread wall foundation is made by means of... | | 以冻土与扩大台基作为一个整体结构,将各向弹性模量及泊松比随温度、水分、应力变化的冻土视为正交各向异性的非线性材料;将冻土冻胀系数作为负线膨胀系数,按结构温度应力的计算方法,应用结构非线性分析的有限元法,对冻土与扩大台基之间的相互作用进行了数值计算,获得其应力场、位移场及冻土与扩大台基之间的各种作用力;理论分析结果与模型试验吻合,并提出了一种求解冻土与基础相互作用的通用数值分析方法。 | | 文摘来源 | | Presented in this paper are more than 40 tank's settlement situations,which illustrates that it's feasible to make the Settlement-Area Ratio computation based on the Chord-Modulus for the Control Criterion of the foundation design. | | 以40多台油罐的下沉情况说明,用弦线模量计算其沉降面积比作为基础设计的控制标准是可行的. | | 文摘来源 | |   | | << 更多相关文摘 |
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