1.The prestressed concrete continuous rigid frame bridge is widely used because of its high strength, lightful line type, convenient and fast construction, long-span ability.

1.预应力混凝土构以强度高、线形明快、施简便快捷、跨越能力强的优势在大跨度梁中具有广泛的应用。

2.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.

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