Section B of Chengdu North Transformation Project成都北改工程B标段
CCCC Second Aviation Bureau中交二航局
The first batch of major infrastructure construction projects of Chengdu Chengtou Group's "Northern Reform" are mainly implemented in Jinniu District, Chenghua District, Xindu District, and Pi County, including Freight Avenue (Shaxi Line - Ring Expressway Section), Shu The road and bridge works of the fifth phase of Long Road (the north extension of Jianshe North Road) and the Third Ring Road Jiaoda Overpass Reconstruction Project are about 16 kilometers in length.
Bid section B consists of two projects: the Third Ring Road Jiaotong University Overpass Reconstruction Project (excluding the bottom road) and the fifth phase of Shulong Road (the north extension of Jianshe North Road) project (excluding the frame bridge project of the Cheng-Mian-Le Railway) , the two projects are connected to the third ring road, the distance on the third ring road is about 15 kilometers. The fifth phase of Shulong Road (the north extension of Jianshe North Road) (excluding the frame bridge project of the Chengmian-Le Railway) is located in Chenghua District, Chengdu, connecting the fourth phase of Shulong Road and Erxianqiao North Road, and the route is about 4.4 kilometers long. , mainly include: 1 Shulong Interchange (newly built) connecting with the Third Ring Road, the underpass crossing the Chengmianle Railway (excluding the frame bridge project of the Chengmianle Railway), the three viaducts in the north section of Erxianqiao part composition. The Third Ring Road Jiaoda Overpass Reconstruction Project. The project is located at the intersection of the Third Ring Road and Jiaoda Road in the northwest of Jinniu District, Chengdu. The original Jiaoda Road viaduct that crossed the Third Ring Road was transformed into an interchange, and the pedestrian overpass across the Third Ring Road was relocated. 2 There are 9 ramp bridges, as well as auxiliary roads on the ground floor.
B标段，由三环路交大立交桥改造工程（不含底层道路）和蜀龙路五期（建设北路北延线）工程（不含下穿成绵乐铁路框架桥工程）两个工程组成，两个工程都连接三环，在三环上的距离约15公里左右。 蜀龙路五期（建设北路北延线）（不含下穿成绵乐铁路框架桥工程）项目位于成都成华区，连接蜀龙路4期和二仙桥北路，路线长约4.4公里，主要有：与三环互通的蜀龙立交1座（新建）、横穿成绵乐等铁路的下穿道（不含下穿成绵乐铁路框架桥工程）、二仙桥北路段高架桥三部分组成。 三环路交大立交桥改造工程，项目位于成都金牛区西北部三环路与交大路交叉处，将原来的交大路高架桥上跨三环通过的立交改造成互通立交，迁移跨三环的人行天桥2座，匝道桥9座，以及底层辅道等。