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国外文献 > 1.轴承 > 1. 基础理论与机制 > 承载与性能


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标 题: A Case Study on Computational Method of Bearing Capacity of Open-end Steel Pipe Pile
关于开式钢管桩承载力计算方法的案例研究
作 者: P. F. Fans
H. B. Dons
关键词: Open-end steel pipe pile  [开式钢管桩]
Soil plug effect  [ 土壤封堵效应]
Bearing capacity  [ 承载力]
Partial factor  [ 分项系数]
出版年: 2010
会议名: 2010 International Conference on Mechanic Automation and Control Engineering (MACE 2010)
2010 年机械自动化与控制工程国际会议(MACE 2010)
届 次:
摘 要: With the advantages of high bearing capacity and efficient construction, the driven open-end steel pipe piles have been widely used for pile foundations in bridge engineering. However, there is no stated computational method for its vertical bearing capacity in the current code for pile foundation design of highway bridges. Based on analyzing the bearing mechanism and the static load test results of the open-end steel pipe piles, a method calculating allowable load capacity of pile is put forward, and the soil plug effect is considered in the method. The verified results show that the suggested method approximates to the actual engineering situation. Finally, the influence of using different partial factors for skin friction resistance and end resistance respectively on bearing capacity of pile is analyzed, that is close to the actual performance.

由于具有高承载能力和高效施工的优点,驱动式开口钢管桩在桥梁工程中的桩基础应用十分广泛。然而,在现行的公路桥梁桩基础设计规范中,并未给出其竖向承载力的计算方法。基于对开口钢管桩的承载机制分析以及静载试验结果,提出了一种计算桩允许承载力的方法,并在该方法中考虑了土塞效应。验证结果表明,所提出的方法与实际工程情况较为接近。最后,分析了分别使用不同的摩擦阻力和端阻力部分系数对桩承载力的影响,其结果接近实际性能。
中文内容为网络AI翻译,专业术语未必准确,仅供参考。

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