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贵阳奥体中心东看台挑篷基础采用人工挖孔桩,挑篷支座的水平力和拔力很大,如何确保其有效传递给稳定基岩,目前尚无可靠的规范可依。采用抗滑桩的计算理论,按悬臂桩法进行计算和设计,并根据桩身不同的嵌固情况建立不同的计算模型,分别验算桩身应力和嵌固深度。采用自平衡法对基桩承载力进行检测,结果表明基桩符合设计要求。该工程的桩基设计,可为同类工程提供参考。
Guiyang Olympic Sports Center Eastern Grandstand canopy foundation with manual digging pile, cantilever bearing horizontal force and pulling force is very large, how to ensure its effective transmission to the stability of rock, there is no reliable code to follow. The calculating theory of anti-sliding pile is adopted to calculate and design according to the cantilever pile method. Different calculation models are established according to the different embedded conditions of the pile body, and the stress and the depth of the pile body are checked respectively. The self-balance method was used to test the bearing capacity of pile, the results showed that the pile conformed to the design requirements. The pile foundation design of the project can provide reference for similar projects.