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在长期荷载作用下,在混合结构桁架带两侧会产生竖向差异变形,这会使桁架层间贮存较大的次内力。这一问题不仅影响施工方案的制订和施工质量控制,还关系到结构体系本身的安全。以某一超高层混合结构为例,给出了混合结构差异变形分析的补偿思路与方法,可供类似工程借鉴。
Under long-term load, vertical differential deformation will occur on both sides of the hybrid truss belt, which will cause large internal forces to be stored between the truss layers. This issue not only affects the formulation of construction plans and construction quality control, but also the safety of the structural system itself. Taking a superhigh-rise mixed structure as an example, this paper gives the compensation ideas and methods of differential structural deformation analysis of mixed structures, which can be used as a reference for similar projects.