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深圳地区某高层建筑箱桩基础如图1所示:由上部结构加箱形基础、支承桩、岩石地基,三部分组成整个建筑体系。第一种计算方法:认为桩是刚性链杆,并与箱基组成一个深基础,放在半无限大的弹性地基上。按半无限大弹性地基上刚性矩形板求解地基反力。此法已有现成的资料和表格可查。第二种计算方法:认为桩是弹性链杆,在求地基反力时考虑桩和地基的共同变形来求解地基反力。
The box foundation of a high-rise building in Shenzhen is shown in Fig. 1. The entire building system consists of three parts: the superstructure plus the box-shaped foundation, supporting piles and rock foundation. The first method of calculation: Considering that the pile is a rigid chain link and forming a deep foundation with the box foundation, it is placed on a semi-infinite elastic foundation. Solution of Foundation Reaction Force with Rigid Rectangular Plate on Semi - infinite Large Elastic Foundation . This method has ready-made information and forms available. The second method of calculation: Considering that the pile is an elastic chain, the ground reaction force is calculated by considering the common deformation of the pile and the foundation when calculating the ground reaction force.