论预应力砼空心板裂缝成因与防治

On the Causes and Prevention of Crevices in the Prestressed Concrete Hollow Board

就预应力砼空心板在施工过程中易产生裂缝,论述了在加强施工过程中主要工序的管理和砼的养护对消除砼的表面裂缝。

During the conslruclion there will easily he crevices in the prestressed concrete hollow hoard, so the management of the main procedures and maintenance of the concrete should be strengthened to eliminate the surface crevices on concrete.