The structural design, performance test results and operations for mid-span access are described.
文章叙述了这种光缆的结构设计、性能试验结果以及从跨度中间接入的操作。
2
The shear keys bear moment and shear and decrease from support to mid-span.
剪力键主要承受弯矩和剪力，从支座到跨中，其弯矩和剪力逐渐减小。
3
Concrete was poured in separately from mid-span of arch slab to the supports and then from the supports to the top chord of the arch chord so as to balance the pouring load.