The crack problem is common and is one of more harmful problems. This article first discusses the damage of the cracks in building construction project, and then analyzes the causes of several kinds of common cracks in building construction project, and finally, aiming at crack problems, puts forward some effective prevention measures.%裂缝问题在房建施工中较为常见，也是危害较大的问题之一。文章首先论述了房建工程中裂缝的危害，然后对几种房屋建筑工程中常见裂缝的成因进行了分析，最后针对裂缝问题提出了一些行之有效的防治措施。
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