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水泥搅拌桩有效桩长的确定
引用本文:曾友金,章为民.水泥搅拌桩有效桩长的确定[J].水利水运工程学报,2002,0(3):14-20.
作者姓名:曾友金  章为民
作者单位:南京水利科学研究院,江苏,南京,210029
摘    要:采用线弹塑性荷载传递函数,按极限承载力控制法水泥搅拌桩的有效桩长,分析了土的泊松比,桩刚度系数,桩端土持力层弹性模量与桩周土弹性模量之比,桩径,桩侧极限位移和桩顶沉降量等因素对水泥搅拌桩有效桩长的影响,其结果表明,除土层泊松比对有效桩长影响不明显外,其余因素均有一定或较大的影响。

关 键 词:水泥搅拌桩  有效桩长  极限承载力  荷载  传递函数
文章编号:1009-640X(2002)03-0014-07
修稿时间:2001年11月12

Determination of effective length of cement-mixed piles
ZENG You-jin,ZHANG Wei-min.Determination of effective length of cement-mixed piles[J].Hydro-Science and Engineering,2002,0(3):14-20.
Authors:ZENG You-jin  ZHANG Wei-min
Abstract:According to the ultimate bearing capacity control method, the effective length of a cement-mixed pile is calculated with the linear elastic-plastic load transfer function. Influence factors of effective length such as Poisson's ratio of soil, coefficient of rigidity of pile, elastic modulus ratio of the bottom soil and surrounding soil, pile's diameter, side ultimate displacement and top settlement of pile are analyzed. It can be seen that the factors have certain effects on the effective length except Poisson's ratio of soil.
Keywords:effective length  ultimate bearing capacity  load-transfer function  cement-mixed pile
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