prestressed concrete deck meaning in English

预应力混凝土桥身

On the basis of analyzing effect of prestressed tendon layout on internal force and thrust at springer , the principle of prestressed iendon layout for three - span prestressed concrete deck arch bridge is illustrated
摘要在分析预应力布置位置对三跨上承式拱桥内力和拱脚推力影响的基础上，阐明了该类桥型预应力筋的布置原则。
Combined with that the influence of the prestressed tendon layout on mechanics characteristic of three - span prestressed concrete deck arch bridge is taken into account in these methods , and demand of internal force and displacement in design is satisfied by using upward and downward eccentric layout of prestressed tendon
这些设计法针对该类桥型的特点，利用在拱顶梁中分别布置一定数量的上下偏心的预应力筋来优化结构的内力和满足各部分的位移限制要求。