连接梁 meaning in English

articulated beam
tie-beam

Each bridge is a two girder continuous structure extending over three spans with small haunches at the interior piers .
每一座桥是双主梁的连接梁，延伸三跨，在中间桥墩处具有小的加腋承托。
Specification for design of reinforced concrete continuous beams and frames considering redistribution of internal forces
钢筋混凝土连接梁和框架考虑内力重分布设计规程