Experimental Study of Squeezed Branch Pile with Vertical Load
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摘要: 通过6根挤扩支盘桩的单桩静载试验和桩身应力及桩端反力测试试验成果,分析挤扩支盘桩在竖向荷载下的变形受力特征,揭示了桩侧阻力的分布规律和发挥过程,计算了极限状态下端阻对桩顶荷载的分担比,提出若将支盘阻力当作侧阻考虑,支盘桩属于摩擦桩范畴。文章还采用灰色系统理论的灰色关联分析方法,揭示了支盘桩的承载性状。Abstract: Based on the results of slatic loading tests and measurements of body resistance and bottom resistance of six piles, the bearing capacity and deformalion behaviors of squeezed branch pile are analyzed. Further, through gray retated analysis the authentic bearing character of the squeezed branch pile is exposed.
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Key words:
- squeezed branch pile /
- Q—S curve /
- pile body resistance /
- pile bottom resistance /
- gray related analysis
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