随着我国经济建设的发展,钢筋混凝土结构出现裂缝渗漏现象还是建筑工程的通病,钢筋混凝土超长结构设计理论在全国各地大型工程中广泛应用。本文通过对超长结构设计理论及膨胀剂工作原理的阐述,提出限制膨胀混凝土在钢筋混凝土超长结构施工中应注意的几点意见,供大家参考。 With the development of economic construction in our country, cracks in reinforced concrete structures are still common problems in construction engineering. The design theory of long structure of reinforced concrete is widely used in large-scale projects all over the country. This article elaborates the design theory of super-long structure and the working principle of expansive agent, and puts forward some suggestions that should be paid attention to in the construction of reinforced long-span reinforced concrete structures for your reference.