The Yakang Expressway Luding Dadu River Bridge won the China Construction Engineering Luban Award

Cover news reporter Cao Fei

According to the news of Shudao Group, recently, the Yakang Expressway Luding Daduhe Bridge, invested by the Zanggao Company under the group and built by Sichuan Road and Bridge, won the 2020-2021 China Construction Project Luban Award (National Quality Project), which is another national quality project award won by Yakang Expressway after the Li Chun Award and the National Quality Project Award. At the same time, the honor was also awarded the Chunxiao Bridge in Meishan, Ningbo, Zhejiang, which was built by Sichuan Road Bridge, a subsidiary of Shudao Group.

Yakang Expressway Luding DaduHe Bridge is a super large cross-border steel truss girder suspension bridge built at high altitude, high seismic intensity zone and complex wind field environment. The whole bridge is 1411 meters long, the main span is 1100 meters long, the weight is nearly 600,000 tons, the amount of steel used exceeds the bird's nest, and it is the first span suspension bridge in Sichuan, and is also known as the "first bridge between Sichuan and Tibet".

Luding Dadu River Bridge is located at an altitude of 1617 meters in the mountainous area, the bridge deck to the water surface of 239 meters, the water surface to the top of the bridge tower 364 meters; the main pier cable tower is 188 meters high, close to 65 stories high; poured concrete 290,000 cubic meters, 1.9 times that of China's first and the world's third tallest tower - Guangzhou TV Tower; the amount of steel used is 62,000 tons, 20,000 tons more than the "Bird's Nest" of the National Stadium; the total weight of the main cable strand and the winding wire is 10,000 tons, the total length is more than 60,000 kilometers, and the steel wire can be connected to circle the earth for one and a half years.

The bridge created two firsts: the Ya'an'an tunnel anchor is 159 meters long, the first in the world; the main span of the suspension bridge is 1100 meters, and the first in Sichuan-Tibet. At the same time, the bridge also has 6 patents and 8 independent innovations.

(Photo courtesy of Shudao Group)

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