China Railway Eleventh Bureau Group Co., Ltd., a core unit of China Railway Construction, a Fortune 500 company, recently successfully won the CGHNZQ-4 bid section of the Hunan section of the new Changsha-Ganzhou high-speed railway, with a winning bid amount of 3.467 billion yuan. This major bid marks the official participation of the 11th Bureau of China Railway in the construction of the national "eight vertical and eight horizontal" high-speed rail backbone network, which will inject new momentum into promoting the interconnection between the middle reaches of the Yangtze River urban agglomeration and the Guangdong-Hong Kong-Macao Greater Bay Area.

As an important national strategic corridor, the Changjiang high-speed railway has a total length of 429.48 kilometers and a design speed of 350 kilometers per hour. Among them, the Hunan section starts from Changsha West Railway Station and ends at the border of Hunan and Jiangxi provinces, with a total length of 126.93 kilometers and a total investment of 29.536 billion yuan. After the completion of the project, the travel time from Changsha to Ganzhou will be shortened to 1.5 hours, greatly improving regional traffic efficiency.

The CGHNZQ-4 bid section won by the 11th Bureau of China Railway is located in Liuyang City, with a main line length of 21.516 kilometers and a number of difficult projects: the Sujia'an Tunnel has a total length of 4,026 meters and complex geological conditions; The main span of the Liuyang River Bridge adopts a continuous rigid structure design of (88+160+88) meters, with strict technical requirements. The construction content of the bid section covers various projects such as roadbeds, bridges, tunnels, and stations, including 17.145 kilometers/47 bridges and 11.761 kilometers/20 tunnels.

The relevant person in charge of the 11th Bureau of China Railway said that it will give full play to the technical advantages accumulated in major projects such as the Wuhan-Guangzhou high-speed railway and the Beijing-Shanghai high-speed railway, especially the rich experience in the construction of long tunnels and complex bridges, to ensure the smooth progress of important and difficult projects. The company has set up an elite project management team, which will use intelligent and information-based construction methods to create high-quality projects.

The construction of the Changjiang high-speed railway is of strategic significance for improving the national high-speed rail network, promoting the rise of the central region and the development of the Yangtze River Economic Belt. As an important participant in the project, China Railway 11th Bureau won the bid not only to demonstrate the core competitiveness of the enterprise in the field of high-speed railway construction, but also to provide strong transportation support for the coordinated economic and social development of Hunan and Jiangxi provinces.(This article is from the official website of Jiandao www.seetao.com it must not be reprinted without permission, otherwise it will be investigated, please indicate the reprint of Jiandao Network + original link) See the traffic column editor of Jiandao Network / Gao Xue