Contractor to provide reinforcement free zones block outs dowel bar reinforcement and openings in cast in situ viaduct to facilitate interfacing.
承包商应提供无钢筋区、预留孔堵块、合缝钢筋加固和现浇高架桥内开口，以便接口。
2
The technology of filling by high strength expanded cement in the reinforcement process adopting cast in place reinforced concrete is introduced.
采用预制钢筋混凝土管进行加固时，如何利用高强膨胀水泥进行填充。
3
The bridge can be of many different structures, a common one of which is using the concrete support of the pit as its girder and cast-in-situ reinforcement concrete plates as its decks.