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以工程实例说明了大偏心拉压荷载作用下,桩筏基础设计的基本要点和方法,通过应用变刚度调平布桩和桩基后压浆技术,使所有工况下的荷载中心与反力中心的间距均满足规范要求,从而在技术合理结构安全的前提下降低桩筏基础工程量,达到优化设计目的。
The basic points and methods of piled raft foundation design under large eccentric tension and compression load are illustrated with engineering examples. Through the application of variable stiffness piling and post pile grouting technology, the load center and reaction force under all conditions Center spacing meet the requirements of the specification, so as to reduce the engineering quantity of piled raft foundation under the premise of technical and reasonable structural safety, so as to achieve the purpose of optimization design.