在混凝土施工中,往往会发生雨蓬根部裂缝,地面裂缝,甚至有时会发生梁、板裂缝等质量问题。这些裂缝有的对房屋结构有严重的影响,有的虽无重大影响,但也有不同程度的破坏性。那么,这些裂缝是怎样产生的?又如何去防止呢?首先谈谈产生裂缝的原因:1.对砂、石、水泥材料检验不严格。砂子含泥量过大,碎石表面积土和含有杂质, In the concrete construction, the root canopy cracks, ground cracks, and sometimes even the quality problems such as beam and slab cracks occur. Some of these cracks have a serious impact on the structure of the house, and some have no major impact, but they are also destructive to varying degrees. So, how do these cracks occur? How can we prevent them? First, talk about the causes of cracks: 1. The sand, stone, and cement materials are not strictly inspected. The sand contains too much mud, the surface area of ​​the gravel is dirt and contains impurities.