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本文浅析了大直径扩底桩与中小直径桩极限荷载渐进破坏与刺入破坏的不同特点,讨论了影响持力层强度的因素,明确了端阻力随直径增加而折减的根据。
This paper analyzes the different characteristics of progressive failure and penetration damage of large diameter pile with small diameter pile, and discusses the factors that affect the strength of the bearing layer, and clarifies the basis of the end resistance reduced with the increase of diameter.