先张空心板梁早期裂缝的成因与防治

Causes and control of the early cracks in prestressed hollow plate beam

阐述了先张法预应力空心板梁早期裂缝的原因 ,从混凝土早期裂缝的内部原因和外部原因等方面进行了论述 。

The causes of the early cracks in prestressed hollow plate beam are elaborated. And based upon discussion on internal and external causes of early cracks of concrete corresponding prevention measures are proposed.