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钻孔灌注桩桩基持力层研究
引用本文:张波,孙鹏程.钻孔灌注桩桩基持力层研究[J].工程建设与设计,2009(6):103-106.
作者姓名:张波  孙鹏程
作者单位:1. 上海环昱建筑消防工程有限公司,上海,200090
2. 江苏省交通规划设计院,南京,210007
摘    要:结合实际试验数据,通过布辛奈斯克模型对桩身荷载传递特性进行了研究,得出结论:当桩的长度与直径比达到一定数值后,即使桩端进入岩层数倍于桩径,其桩的荷载传递特性亦表现为摩擦桩,桩的极限承载力由桩身强度决定。

关 键 词:钻孔灌注  摩擦桩  布辛奈斯克模型  极限承载力

Research of Supporting Layer of Bored Pile
ZHANG Bo,SUN Peng-cheng.Research of Supporting Layer of Bored Pile[J].Construction & Design for Project,2009(6):103-106.
Authors:ZHANG Bo  SUN Peng-cheng
Affiliation:ZHANG Bo,SUN Peng-cheng (1. Shanghai Huangyu Building Fire-Fighting Engineering Co.Ltd, Shanghai 200090,China; 2 .Jiangsu Provincial Communication Planning and Design Institute ,Nanjing 210007,China)
Abstract:Undering practical test data, The characteristic of load transmission in the pile was researched with Boussinesq model and the result was put in the paper. When the ratio of length and diameter of pile come to a value, the characteristic of load transmission was frictional even the depth of pile entering rock few times to pile diameter. The ultimate bearing capacity of pile is determined by the strength of pile.
Keywords:bored pile  friction pile  Boussinesq model  ultimatebearing capacity
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