1 适用范围现浇砼密肋楼板体系适用于中等或较大跨度的大空间、大荷载的多层或高层公共建筑,如图书馆、百货大楼、商业大楼、科研楼、教学楼、展览馆、多层工业厂房、地下营房、火车站、仓库、精密仪器厂等,柱网一般在6m 以上,对普通砼跨度不大于10m,对密肋加预应力砼跨度 1 Scope of application The cast-in-place ribbed floor system is suitable for medium- or large-span large-scale, high-load multi-story or high-rise public buildings, such as libraries, department stores, commercial buildings, scientific research buildings, teaching buildings, and exhibition halls. Multi-layer industrial plants, underground barracks, railway stations, warehouses, precision instrument factories, etc., column nets are generally over 6m, and the span length of ordinary gongs is not more than 10m, and the spans of prestressed concrete are added to the ribs.