论文部分内容阅读
以实际工程为背景,分析了平板式筏基受冲切承载力的计算方法。由于高层建筑的核心筒位置不再单一布置在筏板中间位置,PKPM结构计算软件的有限元计算结果并不一定完全符合实际情况,应依据核心筒位于筏板的具体位置来制定具体计算方法;基桩对筏板的冲切承载力应考虑抗震墙的竖向压力对板受冲切承载力的有利影响,不能完全参照有限元计算结果进行设计。设计人员应参照规范对不同情况进行计算校核,从而使理论计算能够正确地指导工程设计。
Based on the actual engineering background, the calculation method of the punching bearing capacity of flat-type raft foundation was analyzed. Because the position of the core barrel of a high-rise building is no longer uniquely arranged in the middle of the seesaw, the finite element calculation results of the PKPM structural calculation software do not necessarily conform to the actual situation. A specific calculation method should be established based on the specific location of the core barrel on the seesaw. The punching shear bearing capacity of foundation piles for rafts should consider the beneficial effect of the vertical pressure of the seismic wall on the bearing capacity of the slabs, and cannot be designed with reference to the finite element calculation results. Designers should refer to the specifications for calculation and verification of different situations, so that theoretical calculations can correctly guide engineering design.