October 6th morning, Anhui Wuhu Yangtze River Highway Bridge Bridge smooth closure. Xie Chengyuan, vice general manager and chief engineer of our company, was invited to participate in the ceremony on the deck of the bridge in the morning.
15:20 on October 5th, with the completion of closure section cutting, girder boat anchoring and other preparatory work after the formal lifting beam, after 14 hours of fighting, on October 6th at 5 pm to complete the girth welding work, Wuhu bridge smooth closure.
Anhui Wuhu Yangtze River Highway Bridge full bridge with 210 pieces of 54 pieces of steel box girder, steel beam, beginning in November 12, 2016 the first tower area of steel box girder erection, which lasted 327 days, to complete all the steel box girder and steel beam hoisting work. At present, our company has basically completed the main bridge main project supervision work, at present only the remaining expansion joints, steel guardrail installation, temporary facilities dismantling and so on.
In December 30, 2017, Anhui Wuhu Yangtze River Highway Bridge opened to traffic.
Since October 2013 officially started, the participation of all parties cooperate, has overcome the deep foundation and tower construction, temperature control, precision linear control of large volume concrete bridge grew up and other technical problems, subverts the traditional understanding of the cable-stayed bridge, creating a number of first China cable-stayed bridge construction history:
The first time to use the same direction rotary cable anchorage technology on the large span bridge, this is a new milestone in the construction history of the cable-stayed bridge.
The first double limb column tower on the Yangtze River;
The first large span cable-stayed bridge with arc bottom steel box girder;
The first use of all beam section symmetry suspension technology, the maximum length of the cantilever reached 397 meters, creating a new record of the construction of the domestic cable-stayed bridge.
These technological innovation achievements by domestic and foreign experts praise, Anhui Wuhu bridge won the international BE innovation awards, is listed as the innovation of science and technology demonstration project of the Ministry of transport.