现浇混凝土无黏结预应力LPM轻质管空心楼盖施工技术

Construction Technology of Hollow Floor with Cast-in-situ Concrete Bondless Prestressed LPM Light Tube

某工程使用了现浇混凝土后张无黏结预应力LPM轻质管空心无梁楼盖技术。指出其应用范围及工艺原理,重点介绍了该技术的操作要点,包括施工准备及作业条件、预应力筋制作及安放、绑扎钢筋、铺放预应力筋和轻质管、预应力筋张拉等技术。

The hollow floor with cast-in-situ concrete bondless prestressed LPM light tube is used in some project.Its application scope and technology principle are indicated,meanwhile,the key operation points are put forward in detail,including the preparation for construction and work conditions,prefabrication and installation for prestressed steel bars,steel bars binding,pavement for prestressed steel bars and light tube,and tensioning for prestressed steel bars.