预应力混凝土空心板裂缝分析与防治

Analysis on the cracks in prestressed concrete hollow slab and preventive measures

从原材料、设备、施工工艺等方面,分析了预应力混凝土空心板裂缝的形成原因,并从混凝土拌和、浇筑、养护等方面,提出防治裂缝的有效措施,从而确保了预应力混凝土施工质量。

From raw materials, equipments, construction technology and other aspects the reasons caused the cracks in prestressed concrete hollow slab are analyzed; at the same time from the mixing, pouring and maintenance of concrete corresponding measures are proposed to prevent crack and ensure construction quality of prestressed concrete.