The construction is based on architectural design, therefore, building structure design affects the whole building present state. This paper from the hazard analysis of cracks in the construction of building units emphasizes the necessity of at aching importance to building cracks, then analyzes causes of building structure design cracks, final y puts forward the co-untermeasures.%建筑施工以建筑设计为依据，因此，建筑结构设计直接影响着建筑物的整体呈现状态。本文从分析建筑裂缝的危害出发，强调建筑单位重视建筑裂缝的必要性，然后分析建筑结构设计裂缝产生的原因，最后提出应对措施。
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