住房砼的裂缝是建筑最常见的现象,裂缝重则危及结构安全,轻则影响房屋的正常使用及砼的寿命。裂缝的形成往往是地基受力不均、构件的强度和刚度不足,或者是设计不尽合理、施工方法不当、材料选用不妥当等原因造成。本文从设计、材料、施工等三个方面提出相应的预防措施。 Housing concrete cracks are the most common building phenomenon, while the cracks are endangering the structural safety, ranging from the normal use of housing and concrete life. Crack formation is often caused by uneven ground stress, strength and rigidity of components is not enough, or the design is not reasonable, improper construction methods, improper selection of materials and other causes. This article from the design, materials, construction and other three aspects of the corresponding preventive measures.