位移限制 meaning in English

displacement constraint

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。