预应力预制空心板梁端部裂缝成因浅析

Study on the causes of cracks on the end of prestressed hollow beam

结合具体的工程实践,针对预应力预制空心板梁端部裂缝,从设计、施工方面对其原因作了简要分析,并提出了相应的切实可行的改进措施,以得到有效控制。

Combined with practical work, according to the cracks existed in the end of prestressed hollow beam its causing reasons are briefly analyzed from two aspects： design and construction; at the same time practical measures are proposed for cracks control.