铁道科学与工程学报2018，Vol.15Issue(5)：1196-1201,6.
扭转荷载下嵌岩桩的扭转特性研究
Torsional properties of single end bearing piles
摘要
Abstract
Based on the soil-pile interaction, static response of single piles to torsional loading was investigated. By means of the variable separation method, the torsional equilibrium equation of soil was solved to obtain the explicit form of the torsional resistance around the shaft. The torsional resistance consists of two parts. One can be idealized as a Winkler spring, while the other as a membrane. The unknown coefficients of the torsional resistance were obtained by considering the continuity of the soil-pile interface. Based on the investigation on the torsional resistance, some conclusions may be drawn. The torsion produced by the Winkler spring is greater than membrane. With the increasing slenderness ratio of the pile, the torsion produced by the Winkler spring increases firstly and then remains the same value. However, the torsion produced by membrane decreases first and then remains constant. With the increasing pile-soil shear modulus ratio, the torsions by the spring and the membrane decrease.关键词
嵌岩桩/扭矩荷载/桩−土相互作用/虚功原理Key words
end-bearing pile/torsional load/soil-pile interaction/virtual work principle分类
建筑与水利引用本文复制引用
程昊,刘齐建..扭转荷载下嵌岩桩的扭转特性研究[J].铁道科学与工程学报,2018,15(5):1196-1201,6.基金项目
交通部科技计划资助项目(2013318798320) （2013318798320）
