1传统住宅楼盖形式及弱点长期以来，预应力短向圆孔板占我国住宅楼盖的绝大多数。其特点为：工期短，现场湿作业少，无需模板，抗裂性能好，节省钢筋，工厂化生产质量易保证。但也有不少缺点：跨度短，荷载小，延性差，锚固性能差（易滑丝），整体性能差（装配式），特别在地震 1 Traditional residential floor forms and weaknesses For a long time, prestressed short-to-round holes accounted for the vast majority of residential floor coverings in China. Its characteristics are: short construction period, less wet work site, no template, good crack resistance, saving steel, factory production quality is easy to guarantee. However, there are also many shortcomings: short span, small load, poor ductility, poor anchorage performance (easy slippery wire), and poor overall performance (preparative type), especially in earthquakes.