华星时代广场5层退台式大空间中庭封板采用钢框架压型钢板非组合楼盖的加层改造方案。结合现场施工条件,通过整体分析计算,着重探讨了结构加层方案的确定,提出了钢框架结构在改造工程中的运用,阐述了锚杆静压桩对原桩基础及承台的加固方法,介绍了已有混凝土梁柱及节点的补强措施,供类似项目设计参考使用。 Huaxing Times Square, a large backstop off the fifth floor atrium sealing plate with steel frame non-composite floor of the additional floor renovation program. Combined with the on-site construction conditions, through the overall analysis and calculation, the emphasis is put on the determination of the structural plus plan, the application of the steel frame structure in the reconstruction project, the reinforcement method of the anchor pile static pressure pile on the original pile foundation and the bearing platform, The reinforcement measures of existing concrete beams and columns are introduced for reference of similar project design.