跨既有高架桥钢箱梁吊装关键技术

Key Technology of Steel Box Girder Hoisting of Existing Viaducts

依托合肥市畅通二环工程三标段跨既有铜陵北路高架桥钢箱梁安装,根据施工区域的路况复杂程度,从吊装方案确定、施工难点、吊装精度控制、安全措施等方面做了详细阐述,不仅工程质量满足设计和规范要求,而且积累了丰富的施工经验,并取得了良好的经济效益和社会效益。

Relying on installation of steel box girder across the existing Tongling North Road viaduct in the 3 ird bid section of the Hefei City Smooth Second Ring Project,according to complexity of the road conditions in the construction area,the determination of hoisting scheme,construction difficulties,hoisting accuracy control and safety measures are described in detail. Not only the project quality meets the design and specification requirements,but also rich construction experience is accumulated,and good economic and social benefits are obtained.