杭州上塘高架延伸线01标工程
运河桥悬臂浇筑施工
华国红
（上海铁建集团浙江工程有限公司）
摘要:介绍杭州市上塘高架延伸线01标运河桥工程的悬臂浇筑施工。
关键词：连续刚构桥   菱形挂篮   悬臂浇筑
一、 工程概况
上塘路延伸线是衔接上塘路与杭宁高速公路的接线工程，本工程跨越运河上部结构为72+120+72m的连续刚构桥，纵坡1%，横断面为单箱单室大挑臂结构，主墩处梁高6.8m，跨中与边墩处梁高2.5m，梁高与底板高度按二次抛物线变化。箱梁顶宽18.62m、底宽10m、挑臂4.31m、顶板厚30cm、底板厚按30～100cm变化、腹板厚60cm。
主墩采用双薄壁墩，基础为φ180cm钻孔桩，承台尺寸17.3×8.6×3.5m。在120m的1/2长度内共分14个节段，其中0号节段长8.5m，1~2号节段长3.0m，3~7号节段长3.5m，8~14号节段
Hangzhou, on 01 standard Tong Line extension project overhead
Canal Bridge Cantilever construction
Hua Guo-hong
(Shanghai, Zhejiang Railway Construction Engineering Group Co., Ltd.)
Abstract: The extension of Hangzhou on line 01 marked the elevated pond canal bridge Cantilever construction project.
Key words: continuous rigid frame bridge Cantilever Diamond Hanging Basket
First, project survey
The toro toro extended line is the interface between the wiring and the Hangzhou-Ningbo Expressway project, the project across the upper canal structure 72 +120 +72 m of continuous rigid frame bridge, 1% longitudinal and transverse single-box single Long Cantilever structure, the main pier Department beam high-6.8m, cross-beam with high-side pier Office 2.5m, beam height and floor height by the second parabola. Box top width of 18.62m, bottom width 10m, Cantilever 4.31m, roof thickness 30cm, floor thickness changes by 30 ~ 100cm, web thickness of 60cm.
Main pier double Piers, base φ180cm bored piles, pile cap, size 17.3 × 8.6 × 3.5m. In the 120m 1 / 2 length is divided into 14 segments in which segment # 0 long 8.5m, 1 ~ 2 号 segment length 3.0m, 3 ~ 7 号 segment length 3.5m, 8 ~ 14 号 segments