Energy Formulation for Axial Pile Head Stiffness in Inhomogeneous Soil

Energy Formulation for Axial Pile Head Stiffness in Inhomogeneous Soil
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非均质土中轴向桩头刚度的能量公式

DOI:
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发表时间:
2018
期刊:
Sustainability Issues for the Deep Foundations
影响因子:
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通讯作者:
G. Mylonakis
G. Mylonakis
中科院分区:
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文献类型:
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作者:
J. Crispin;H. Su;K. Round;G. Mylonakis

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基于Winkler土反力模型,采用能量法推导了非均质土中轴向受荷桩沉降的近似解析解。桩位移随深度衰减的简单线性形函数可得到易于使用的公式。讨论了选择线性函数斜率的两种方法。所提出的方法相比,严格的(但复杂的)封闭形式的解决方案和替代近似使用一个有代表性的均质土壤。
Approximate closed-form solutions are derived for the settlement of axially loaded piles embedded in inhomogeneous soil by employing an energy method based on the Winkler model of soil reaction. Simple, linear shape functions for the attenuation of pile displacement with depth result in easy-to-use formulas. Two alternative methods are discussed for selecting the slope of the linear function. The proposed methodology is compared with rigorous (yet complicated) closed form solutions and an alternative approximation using a representative homogeneous soil.
非均质土中轴向受力桩的 Winkler 模型
DOI: 10.1680/jgele.18.00062
发表时间: 2018
期刊: Géotechnique Letters
影响因子: --
作者:
Crispin J
通讯作者: Crispin J