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珠控大厦原址为一栋已施工完3层地下室的烂尾楼,新方案需对地下室加固改造并增加一栋超高层办公楼。详细介绍了其设计难点及解决措施,包括新旧基础的处理及施工措施、地下墙柱梁的托换加固设计、钢管柱的节点做法及逆作法的应用、耐久性的考虑、框架节点的处理、性能化手段等设计过程。结果表明,改造后的结构能满足相关规范及建筑使用功能的要求,施工方便,工期满足业主的需求。
Pearl Control Building site for the construction of a basement has completed the construction of 3 floors of the basement of the rotten floor, the new program needs to reinforce the basement and an additional high-rise office building. The design difficulties and solutions are introduced in detail, including the treatment of old and new foundations and construction measures, the underpinning and reinforcement design of underground wall and column girders, the application of nodal and column methods, the consideration of durability, the treatment of frame nodes, Performance means such as the design process. The results show that the modified structure can meet the requirements of relevant norms and the functions of the building. The construction is convenient and the construction period meets the needs of the owners.