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首页> 外文期刊>Ocean Engineering >Analysis of laterally loaded bucket foundation with external skirt in sand using a Winkler model approach
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Analysis of laterally loaded bucket foundation with external skirt in sand using a Winkler model approach

机译：用Winkler模型方法分析带有外部裙边的横向荷载桶基础。

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摘要

An investigation is made to present analytical solutions provided by a Winkler model approach for analysis of a bucket foundation with external skirt subjected to lateral loads in sand. The bucket foundation with external skirt consists of an internal compartment and an external short skirted compartment. The lateral stiffness coefficient along the skirt of the bucket foundation in nonhomogeneous soils employing the Mindlin solution for lateral loads is presented. The relationship between horizontal displacement, rotation, moment and shear force of the bucket foundation subjected to lateral loads in nonhomogeneous soils is obtainable in the form of the recurrence equation. The vertical, lateral and rocking stiffness coefficients on the base of the bticket foundation are presented considering the solutions of a hollow rigid cylindrical punch acting on the surface of a soil. An envelope of the combined ultimate horizontal and moment load capacities of the bucket foundation in sand is shown. The relationship between ultimate lateral and moment load capacities and aspect ratios (internal and external skirt lengths to diameter) is presented. Behavior of the bucket foundation with external skirt in sand up to failure is clarified from the relationship between lateral loads and displacement and that between depth and lateral pressure.
机译：进行了调查，以提供Winkler模型方法提供的分析解决方案，以分析带有外部侧裙的桶形基础在沙子中承受侧向载荷。带有外部裙边的桶形基础包括一个内部隔间和一个外部短裙边隔间。提出了在非均质土壤中采用Mindlin解求解侧向荷载时沿桶形基础裙缘的侧向刚度系数。在非均质土壤中承受横向载荷的桶形基础的水平位移，旋转，力矩和剪力之间的关系可以通过递推方程的形式获得。考虑到空心刚性圆柱冲头作用于土壤表面的解，给出了球拍基础上的竖向，横向和摇摆刚度系数。显示了沙子中铲斗基础的极限极限水平和弯矩荷载能力的组合。提出了极限侧向和弯矩承载能力与纵横比（内部和外部裙边长度与直径）之间的关系。通过侧向载荷与位移之间的关系以及深度与侧向压力之间的关系，可以弄清楚带有外部裙边的铲斗基础在沙子中直至破坏的行为。

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