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考虑到施工顺序和加载条件的不同、施工期间构件材料强度的发展以及混凝土的收缩、徐变时随特性等非荷载效应的影响,实际的结构效应与建立整个结构模型后获得的分析结果将存在相当大的差异。施工过程分析是复杂高层或超高层建筑结构设计的重要内容。本文通过对复杂钢框架核心筒结构进行了施工过程模拟,分析了徐变和收缩等对剪力墙变形、结构竖向差异变形、钢框架柱轴力等因素的影响,可为实际施工提供合理的参考依据。
Considering the difference of construction sequence and loading conditions, the development of material strength during construction and the influence of non-loading effects such as shrinkage and creep of concrete, the actual structural effect and the analysis results obtained after the whole structural model is established will exist Quite a big difference. Construction process analysis is complex high-rise or super high-rise building structural design of the important content. Through the simulation of the construction process of the complex steel frame core tube structure, the influence of creep and shrinkage on the deformation of the shear wall, the vertical deformation of the structure, the axial force of the steel frame column and so on, can be provided to provide a reasonable The reference basis.