Guangxi Pingnan Third Bridge won the 21st China Civil Engineering Zhan Tianyou Award

China News Service, Nanning, September 13 (Zhang Guangquan, Chen Jialuo) Recently, the selection results of the 21st China Civil Engineering Zhan Tianyou Award were officially announced. The Pingnan Third Bridge of the Lipu-Yulin Expressway, which was invested, constructed and technically developed by Guangxi Communications Investment Group, was selected for the award list and won the highest honor for scientific and technological innovation in engineering construction in the field of civil engineering in China.

The Pingnan Third Bridge is located in Pingnan County, Guangxi. It is a control project across the Xunjiang River on the Pingnan-North Interconnection Line of the Lipu-Yulin Expressway. The total length of the bridge is 1,035 meters. The main bridge adopts a mid-support concrete-filled steel tube arch bridge structure with a main span of 575 meters and a bridge deck width of 36.5 meters. The project started construction in August 2018 and was completed and opened to traffic on December 28, 2020. The Pingnan Third Bridge became the largest span arch bridge built in the world at that time.

After the bridge is put into operation, the cross-river travel time on both sides of the Xunjiang River has been shortened from more than an hour to more than ten minutes, directly benefiting more than 1.6 million people along the line, improving the regional road network traffic capacity and the interconnection level of surrounding cities, and providing solid transportation guarantee for Guangxi's local economic and social development and improvement of people's livelihood.

Faced with complex geological and construction problems, Guangxi Communications Investment Group implemented full-process management, coordinated key elements such as quality, safety, environmental protection, investment, and progress, strengthened construction organization and program optimization, established and improved quality control, safety management, environmental protection, and risk prevention and control systems to achieve zero production safety accidents and excellent engineering quality throughout the entire project process. At the same time, we adhere to the leadership of innovation, focus on core technologies, achieve a number of industry-first breakthroughs, create a history of building long-span concrete-filled steel tube arch bridges under adverse geological conditions, and are of great significance in promoting the application and development of long-span concrete-filled steel tube arch bridges.

As a landmark project for the iterative upgrade of China's concrete-filled steel tube arch bridge technology, Pingnan Third Bridge has previously won many authoritative industry honors such as the 15th "China Steel Structure Gold Award Annual Outstanding Project Award" of the China Building Structures Association in 2022, the "Top Ten Most Beautiful Bridges" in 2018-2023, and was selected into the "Modern Bridge Construction" special stamp collection.