The finite element method is applied to prestressed slabs, the mechanical characters under the normal using load condition are analysised, with unconsidering the lateral restraints.

• 本文在结合某框架-核心筒结构无粘结预应力楼盖工程实例基础上,对侧向约束对预应力楼盖受力性能的影响做了初步的探讨。