在建筑工程中,混凝土或钢筋混凝土结构物,经常发生裂缝问题。关于裂缝产生之原因、预防方法、危害性如何,以及需要采取什么补救措施等,说法不尽相同。本文根据笔者在这方面进行过的一些试验研究和接触到的部分工程实践,结合有关资料,主要从施工角度就预制钢筋混凝土构件在制作、安装及使用过程中产生裂缝的一些基本问题,作一简单阐述。 Cracks often occur in concrete or reinforced concrete structures in construction projects. The reasons for cracking, how to prevent it, how harmful it is, and what remedial measures need to be taken are not the same. This article is based on some experimental research conducted by the author in this regard and some of the engineering practices in contact with, combined with relevant information, mainly from the perspective of construction on the prefabricated reinforced concrete components in the production, installation and use of the process of cracking some of the basic issues, as a Simple explanation.