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中文摘要：
以能量原理的基础对基桩承载性状的数值计算方法及其工程实际应用进行了深入的探讨。通过分析基桩与其埋置土层之间的能量传递建立适用于工程实际操作的基桩承载力数值计算方法。对基桩与桩侧土之间的能量传递进行了分析,通过建立桩身单元的能量平衡方程,给出了基桩工作性状计算程序所需要的能量差分方程,并将其作为程序计算的主体。基于基桩能量差分方程编制了相应计算程序,并提出了程序收敛条件,即荷载协调收敛;相对于程序收敛条件给出了相应的程序实现策略;给出了程序的计算流程以方便编程计算;最后,通过一个工程实例对程序的适用性及收敛策略的合理性进行了验证。
英文摘要：
Based on energy principle,this paper discussed the pile bearing capacity numerical method and its practical engineering application.Through analysis of the energy transmission between pile and soil,a new pile bearing capacity numerical method which suitable for practical engineering has been built.The energy transmission between pile and foundation soil has been analyzed.Through energy balance equation of pile unit,the energy difference equation which is needed by pile bearing capacity calculation program has been proposed.based on the energy difference equation,a calculation program has been given.And the convergence condition,which is load convergence condition,has been proposed.At the same time,program strategies and calculation process of this convergence condition has been given.Through calculation results study of a practical engineering example,the applicability of program and rationality of program strategies have been proved.
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