箱型拱桥无支架悬拼施工

The Cantilever Placement Construction without Support of Box Arch Bridge

无支架悬臂拼装法是跨越高山峡谷修建桥梁的一种先进经济的方法,以某90 m跨度钢筋混凝土箱型拱桥为例介绍了该种施工方法的施工设计、施工工艺和施工要点,并提出了施工时的安全注意事项。

Combined with the practice,the paper introduced the construction design,technique and main points of some a box arch bridge,and proposed safety attentions in the construction.