浅谈地下室预应力无梁楼板裂缝处理问题

Brief discussion on crack treatment of prestressed beamless floor slab in basement

为了能够更好地对地下室预应力无梁楼板裂缝进行处理,阐述实例工程裂缝发生与处理具体情况,从混凝土自身原因与预应力施工问题分析裂缝产生影响因素,根据裂缝严重程度,提出了三种加固措施工艺。实际工程有类似情况可以参考本文处理经验,合理地选择处理方法,可减少不良事故发生,提高预应力无梁楼板耐久性。

In order to better deal with the cracks in the prestressed floor slab of the basement, the concrete conditions of the crack occurrence and treatment of the project are expounded, and the factors affecting the cracks are analyzed from the reasons of concrete and the construction of the prestressed concrete.According to the severity of cracks, three strengthening measures are put forward.The actual project can refer to the experience in this paper, and the reasonable choice of treatment method can reduce the occurrence of bad accidents and improve the durability of prestressed slab without beam.