混凝土结构楼板裂缝原因分析及其修复

CAUSE ANALYSIS AND REPARATION OF CONCRETE STRUCTURAL SLAB

现浇混凝土楼板裂缝问题是混凝土结构施工中的质量通病之一,也是造成渗漏影响建筑使用功能的间接原因。大部分裂缝表现为表面龟裂,也有贯穿裂缝,既有纵向、横向,也有斜向以及无规则裂缝。一般对实际使用无多大危害,但仍应进行有效控制,特别是避免有害裂缝的发生。

Cracks of poured concrete slabs are not only one of the problems of quality which are very common in the construction of structure, but also the indirect cause of infiltration affected the function of the buildings. Most of the cracks show in form of surface chaps and cracking which are portrait, landscape orientation, slant and even ruleless. Usually, they have no harm effects to the practical use. But we still should avoid the harmful ones.