Meijiang bridge of Meizhou East Ring Expressway is closed smoothly

(Meizhou News) on December 20, with the successful pouring of the last concrete, the two main spans of Meijiang bridge in the first contract section of Meizhou east ring branch line constructed by China Railway seventh Bureau Group Co., Ltd. were closed, marking the completion of the whole bridge and the large-scale development of the bridge deck construction, laying the foundation for the completion of the bridge in 2020. According to

, the total length of Meizhou East Ring Expressway is 15.08km, with a design speed of 100km / h. Meijiang bridge constructed by China Railway seventh group Co., Ltd. spans provincial highway s223, Meijiang, Village Road and Zhanglong railway respectively, with a total length of 880m, 23 spans, two-way four lane. The main bridge is concrete continuous rigid frame box girder, with a span form of 76 + 128 + 76m prestressed concrete continuous girder. The main works include double 0-23 piers, 39 holes of simply supported box girder and 2 sets of prestressed continuous box girder. The last pouring is the closure section of the middle span of the continuous beam in the construction of the hanging basket.

according to Jiang Liqing, chief engineer of the project, the main bridge pier of Meijiang bridge is located in the river erosion and accumulation landform, the river is turbulent, the river valley is narrow, and the riverbed rock of the pier is inclined and exposed, which brings a lot of inconvenience to the construction. The project department actively strengthened the construction organization, formulated the special scheme based on the actual situation of the site, and successively overcame many difficulties, such as tight time, heavy task, precipitous geography, lack of materials and safe crossing over the highway and railway, and finally achieved the timely closure. After the completion of the

Meizhou east ring project, the expressway around Meizhou will be fully connected into a ring. Meanwhile, it will provide a fast expressway for Meizhou and its north and west areas to connect the Economic Zone on the west side of the Straits and Chaozhou port. It will also further improve the layout of the regional road network in Meizhou, greatly strengthen the connection between the East and northwest of Guangdong and the three provinces of Guangdong, Fujian and Jiangxi, and revitalize the Central Soviet Union Regional economy is of great significance to promote the sustainable development of economy and society in the northwest of Guangdong Province.

unit: Wuhan company of China Railway seventh group

text: Guo Qiang