摘要
采用3D-σ软件对某山区特大桥梁的桩基础进行三维数值分析,建立了桥墩、承台、人工挖孔桩的三维有限元计算模型,通过模拟计算,对一般人工挖孔桩基础和锚索加固桩基础的应力和位移进行了对比分析,同时对两种桩基础形式的成本进行了比较,从而得出采用锚索加固桩基础是一种非常经济的山区桥梁基础形式,该成果对今后山区桥梁基础设计有一定的指导意义。
In the paper, the finite elements analyze software 3D-σ was adapted to numerical analysis of bridge pile foundation. The three dimensional model for the pier, bearing platform and pile was established, The different pile foundation forms（ artificial excacvate pile and reinforcement pile foundation by anchor cable） was compared based on analyzing the stress and strain of pile foundation, the resuit was obtained that the reinforcement pile foundation by anchor cable was a kind of economic pile foundation forms . The calculation results have guidance on pile foundation design in mountainous area.
出处
《武汉理工大学学报》
CAS
CSCD
北大核心
2009年第6期68-71,共4页
Journal of Wuhan University of Technology
基金
国家自然科学基金项目资助(批准号:103720744)
关键词
锚索
桥墩
承台
桩基础
三维数值分析
anchor cable
bridge pier
bearing platform
pile foundation
three-dimensional numerical analysis
