结合舟山地下车库设计实例，主要阐述了该地下车库结构方案的选择方式，论述了车库承压及抗浮计算应考虑的工况，并根据工程地勘报告，对桩基的承载力和沉降变形进行了计算分析，提出了针对大底盘超长结构的处理措施。%Combining with the design example for Zhoushan underground garage,the paper mainly illustrates the selection way for the under-ground garage structural scheme,indicates the construction circumstances of the pressure-bearing and anti-floating calculation,undertakes the calculation analysis of the pile foundation’s loading capacity and the settlement deformation according to the engineering geological exploration report,and points out the treatment for the super-long structure with enlarged basis.
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