钢箱梁在深水区大跨度横梁施工中的创新性运用

Innovative Application of Steel Box Girder in Construction of Large Span Beam in Deep Water

本文以佛江高速公路均安水道特大桥主桥下横梁及承台系梁施工为背景,对比了在深水区、大跨度横梁施工中钢管支架、预制梁和钢箱梁支架施工方案的优缺点,简要介绍钢箱梁施工方案,针对施工难点提出了解决措施。

In this paper, the advantages and disadvantages of the construction plan of steel pipe support, prefabricated beam and steel box girder in deepwater area and large span beam construction are compared with the background of the construction of the lower beam and the bearing beam of the main bridge of the Du＇an Waterway Bridge. A brief description of steel box girder construction program, for the construction of difficult solutions proposed.