Introduction of Guangzhou Yajisha Bridge?

Yajisha Bridge on the Pearl River in Guangzhou-Arch Bridge: Yajisha Bridge is a super-large bridge across the main and auxiliary roads of the Pearl River and Yajisha Island in the southwest section of Guangzhou Ring Expressway. Total length1084m. The main bridge is a three-span continuous self-anchored half-through concrete filled steel tubular arch bridge with a main span of 360 meters across the main channel of the Pearl River. After the completion of the bridge, the deck is two-way and six-lane.

Architectural history

Yajisha Bridge started in July 2000 1998 and was completed in June. At that time, it created four firsts in the country and even in the world: the span was the first in the concrete filled steel tubular half-through arch bridge, and the main span reached 360 meters, which was the highest in the world at that time; The weight of each side of the bridge swivel is 13680 tons, which is not only the first in China, but also the first 10,000-ton swivel bridge in the world. The construction method combining vertical rotation with horizontal rotation is leading in the world; The ultimate bearing capacity and wind resistance of bridges are leading in China.

Yajisha Bridge has a span of 76m+360m+76m and a width of 36.5m The arch feet of the side span and the main span are fixed on arch supports, and the side span is provided with basin supports, and steel strand tie bars are arranged between the two ends of the span, so that the horizontal thrust of the main arch is balanced by the side span and half arch. The main arch rib is a catenary hinge-free arch with a rise of 76.45m, a rise-span ratio of 1/4.5 and a center distance of 35.95m, and there are four groups of "M" shaped and two groups of "K" shaped wind-resistant struts.

Architectural honor

This project won the first prize of excellent engineering design in 200 1 Ministry of Construction, the silver prize of national excellent engineering design in 2002, and the first prize of science and technology of China Highway Society in 2003.

This bridge was selected as the first "Top Ten Bridges in China" in china civil engineering society 16 in 2004, ranking second among arch bridges.

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