On November 11, 2020, China Communications Construction issued an announcement that the Lipu-Yulin Expressway Pingnan Xiangsizhou Bridge, the largest span cable-stayed bridge in Guangxi undertaken by the Second Aviation Administration, was successfully closed, laying a foundation for the opening of the Liyu Expressway to traffic at the end of 2020 basis.

Xiangsizhou Bridge is a key control project of Liyu Expressway, 13 kilometers away from Pingnan County, Guigang City, and across the Xun River. The north bank is located in Sijiejie Township, Pingnan County, and the south bank is located in Mugui Town, Guiping City. The total length of the bridge is about 1.7 kilometers, and the design speed is 120 kilometers per hour. It adopts two-way four-lane standard construction. The main bridge adopts a double tower and double cable plane cable-stayed bridge structure. It is a semi-floating system cable-stayed bridge. The main span is 450 meters and has two The diamond-shaped tower is 147.3 meters high and is also the tallest bridge tower in Guangxi.

The construction of Xiangsizhou Bridge set a record in the history of three bridges in Guangxi: the main span is 450 meters, which is the largest span cable-stayed bridge in Guangxi; the tower is 147.3 meters high, which is the tallest bridge tower in Guangxi; the single steel-concrete composite beam weighs 500 tons. , Is the heaviest steel-concrete composite beam in Guangxi.

The Xiangsizhou Bridge has a tight construction period and large volume. There are 15 types of main girder of the whole bridge, 89 girder sections, and the maximum weight of the floating lifting girder section is 500 tons; There are 80 pairs of stay cables with a length of 55 meters to 250 meters, totaling 1945.1 tons.

A number of innovative technical measures have urged Xiangsizhou Bridge to successfully complete the hoisting of the main girder of the closed section of the main bridge, 10 days ahead of the plan made before the new crown epidemic. After the project is completed and opened to traffic, it will shorten the travel distance of residents on both sides of the Xunjiang River and promote economic and social development along the line. Editor/Peng Xue