部分预应力混凝土大板在地下室顶板中的应用

The application of large partial prestresssed concrete plate structure use as top plate of basement

结合具体工程,阐述了部分预应力混凝土结构的优点及其混凝土的要求,对部分预应力混凝土板的设计原理、计算步骤进行了详细介绍,指出采用部分预应力混凝土大板可降低结构层高且施工方便、安全可靠,值得推广使用。

Combined with practical work the advantages of partial prestressed concrete structure and its specifications on concrete are elaborated. Detailed introduction is also made on the design principle of partial prestressed concrete plate as well as calculation steps. Author points out that large partial prestressed concrete plate structure can reduce the storey height with so many advantages： convenient in construction, safe and reliable, which is worthy of being popularized.