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寒冷地区的一些建筑物,因设计人员只重视荷载直接作用而忽略了室内外温差对结构的间接作用影响,导致了结构构件过大的裂缝而危及正常使用。本文简要介绍了温度间接作用的理论分析方法,通过对某大厦旋转餐厅与某市政府带外装饰柱框架结构的温度作用定量分析,说明了它对结构的危害性。最后归纳了防治这种危害的主要措施,以供参考。
Some buildings in the cold area, because designers only pay attention to the direct effect of the load and ignore the indirect effect of the indoor and outdoor temperature difference on the structure, leading to excessive cracks in the structural components and endangering the normal use. This paper briefly introduces the theoretical analysis method of indirect effect of temperature. Through the quantitative analysis of the temperature effect on the frame structure of a revolving restaurant in a building and a city government, it shows its harmfulness to the structure. Finally, the main measures to prevent this kind of harm are summarized for reference.