龙山大桥双壁钢围堰施工关键技术

Key technology of construction of double-wall steel cofferdam of Longshan Bridge

围堰施工是桥梁建设过程中的重要环节,围堰制造与施工过程极为繁杂,因此需要科学的制造与施工方案,以龙山大桥为例,从总体方案、节段划分、施工要点等方面,详细阐述了双壁钢围堰的预制、拼装及施工关键技术。

The cofferdam construction is an important link in the bridge construction process.The cofferdam manufacturing and construction process are extremely complex,so scientific manufacturing and construction schemes are required.Taking Longshan Bridge as an example,from the aspects of the overall plan,segment division,construction points,this paper introduces the key technologies of fabrication,assembly and construction of double-wall steel cofferdam in detail.