good news!The first bridge of the Shishi highway is smooth!

On August 1st, with the last 24 tons of steel box beams, the Royo Expressway project, which was invested and constructed by Shu Dao Group, lasted for 74 days to achieve successful dragons in 74 days. The bridge of Helong laid a solid foundation for the construction of the construction of the Stone Highway in 2024.

The Shuijing Bay Bridge is located in Tianba Village, Ludong Town, Luding County, Ganzi Prefecture. The whole bridge is 210 meters long. The lower part of the bridge is based on concrete piles. Du Haitao, the head of the C1 general contracting department of East China Company of Sichuan Road and Bridge, introduced that the Shuijing Bay Bridge is the first steel box beam bridge for the construction of the Shishi high -speed speed. The bridge of the structure is successful in the bridge today. Its construction experience can provide important reference value for subsequent type of bridge construction.

According to the design representative of the Sichuan Highway Planning Survey and Design Institute Co., Ltd., Shuijing Bay Bridge has three major advantages in design:

In order to "reduce the burden" for the bridge, to actively respond to the national "energy conservation and emission reduction" call, and create a "green rock highway". During the preliminary design stage of the project, the parties of the Shishi High Speed ​​Construction Construction continued to optimize the construction plan. The steel structure bridge was adopted. The total weight of the bridge was about 2480 tons, which was reduced by more than half compared with the conventional concrete bridge.

In order to "save time" by the bridge, comprehensively implement the concept of "modular manufacturing and prefabricated construction" in the construction process, maximize human and material resources, and shorten the construction cycle. Each cross -steel box beam is split into 14 sections. After processing in the prefabricated plant, the overall assembly will be completed on the spot. It can be completed by single -span installation in just 7 days.

In order to "fitness" for the bridge, because the bridge across large debris flowing grooves and is located in a cross -break belt of a high -intensity earthquake, a new type of non -binding prestressed large span steel mixed structure is used for special geographical geological conditions. Compared with traditional concrete bridges, the bridge applied to this structure has the advantages of large span, good seismic resistance, and strong recovery after disaster.

"This year's extreme weather is frequent, and it is a high temperature flood season. The project construction facing great challenges. All cadres and employees of the Retro Shishi high -speed speed have been fully promoted to fully promote the" three complete work methods ", make every effort to build a" three zero "project, promote project construction , Safety production and environmental protection water protection construction collaborative forge, the process of excavation of the entire line of tunnel is about to be more than half, and the smooth coexistence of the Shuijing Bay Bridge now ignites the fighting spirit of the entire line and encourages morale. , Closely focusing on the theme of "fighting for the economy and building construction", I am motivated, inherit the spirit of the Long March and the spirit of the "two roads', maintain a high attitude, be confident, and successfully complete the annual construction goals and tasks." Xiao Feng, general manager of Gao Rongshi High Speed, said.

Yan Hongguang, director of the representative office of the Ludong Expressway Luding, told reporters: As of the end of July 2022, the Corstone Expressway has completed a total of 2.302 billion yuan this year, accounting for 54.8%of the investment target of 4.2 billion yuan this year. 7.714 billion yuan, accounting for 44.3%of the total investment of 17.408 billion yuan. Since the start of 39.7%of the roadbed projects, 37.1%of Qiaoyan projects, and 51.1%of the tunnel projects; the construction of all 7 interoperability, 18 tunnels on the entire line, and important wading bridges including Urban Pharma.

The Shishi Expressway is a "red road" that is highly consistent with the Red Army's Long March path. It is also a connection channel for the two large Sichuan traffic artery, which connects Yaki and Yakang High Speed. After the project is completed, a number of highways and national trunk lines in the connected area will further improve the Sichuan highway network. At the same time, it is also of great significance to building Huan Gongga Tourism Economic Circle, accelerating the development of advantageous resources and social and economic development, and promoting rural revitalization along the route.

All media reporter/ Huang Lian Chen Hui

Edit/ Wang Xuetao He Zhaodan crane

Responsible editor/ green wheat

Review/ Tan Ronghao

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