大跨钢筋混凝土拱桥主拱圈有支架施工技术

Construction technology with support of the long span main arch ring of the reinforced concrete arch bridge

结合沪成高速公路重庆段多处100 m跨钢筋混凝土拱桥的施工,介绍了100 m跨钢筋混凝土拱桥采用缆索吊机组装浇筑、常备式钢拱架作为主拱圈支架的有支架施工技术,为其他类似施工提供了参考。

Combined with the construction of 100 m-span reinforced concrete arch bridge in Chongqing stage of Hu-Cheng highway, this topic introduces the technology of the assembling and the pouring by using the cable-crane, and the construction technology with support of using the permanent steel arch as the main arch ring support.