上海软土地基长桩荷载传递新模型

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NEW MODEL OF LONG PILE LOAD TRANSFER FOR SOFT FOUNDATION IN SHANGHAI

1.
Shenyuan Geotechnical Engineering Co.,Ltd.,Shanghai Xiandai Architectural Design(Group) Co.,Ltd. Shanghai 200011

摘要: 在荷载传递解析法的基础上，针对上海软土地基中的长桩提出了一种改进的全面的荷载传递模型。该模型不仅实现了加工软化型土和硬化型土模型的统一，可反映桩土之间产生的滑移和摩阻力的退化，而且可反映桩侧摩阻力和桩侧阻力的异步发挥现象，对进一步研究桩基荷载传递机理具有实用价值。
- 荷载传递 /
- 模型 /
- 滑移 /
- 摩阻力 /
- 异步发挥
Abstract: A modified model of ful-l load transfer is proposed of long piles for the soft foundation in Shanghai based on analytic method of load transfer. The unification of processing softened and hardened soil models is realized by the modified model, which can reflect not only pile- soil slip and degradation of frictional resistance, but also reflect asynchronous action of lateral friction and lateral resistance. It is very useful for further research on load transfer mechanism of piled foundations.
- load transfer model /
- slip /
- frictional resistance /
- asynchronous action /