Construction
Anhui Chizhou Yangtze River Highway and Railway Bridge started
Seetao 2023-03-28 15:06
  • Chizhou Yangtze River Highway and Railway Bridge connects Guichi District of Chizhou City and Zongyang County of Tongling City
  • Among them, the main bridge is 1768 meters long and the main span is 812 meters. It is a double-layer steel truss girder cable-stayed bridge with three main trusses and three cable planes
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The construction of the river-crossing channel of the Changjiang Highway-Railway Bridge in Chizhou, Anhui Province has always attracted attention from all walks of life. On March 25, 2023, at the construction point in the middle of the river about 380 meters away from the embankment on the south bank of the Chizhou section of the Yangtze River, as an XR800HD large-tonnage rotary drilling rig started rumbled, the first main pier of the Changjiang Highway and Railway Bridge in Chizhou, Anhui was successfully drilled , marking the full start of the main project of the bridge.

According to Zhang Jialun, the project manager of the Chizhou Changjiang Highway and Railway Bridge of China Railway Bridge Bureau, the construction company of the bridge, the No. 4 main pier where the construction of the bridge is located has a total of 77 pile foundations, and the drilling depth of each pile foundation must reach 138.5 meters below the working platform surface. , The construction is difficult. In order to achieve this depth, the domestic rotary drilling rig with the largest torque was used in this construction. Chizhou Changjiang Highway-Railway Bridge connects Guichi District of Chizhou City and Zongyang County of Tongling City, with a total length of 3.1 kilometers, of which the main bridge is 1,768 meters long and the main span is 812 meters. . The south cable tower of the bridge is 274.5 meters high, and the north cable tower is 282.5 meters high, both of which are beautifully shaped space diamond-shaped reinforced concrete bridge towers.

The Chizhou Yangtze River Highway-Railway Bridge has the characteristics of long span, heavy load, and high speed. The upper layer serves as the river-crossing channel of the Ningsong Expressway, which is arranged in two directions with 6 lanes, with a design speed of 100 kilometers per hour; the lower layer carries two lines of Hechi Intercity Railway, with a design speed of 250 kilometers per hour; two lines of Chitong City Railway are reserved, with a design speed of 160 kilometers per hour . The Chizhou Yangtze River Highway and Railway Bridge is a control project for the Hefei-Chizhou intercity railway that is about to start construction. The upstream is about 24 kilometers away from the Chizhou Yangtze River Highway Bridge, and the downstream is about 20 kilometers away from the Tongling Yangtze River Highway Bridge.

Zhang Jialun introduced: After the bridge is completed and put into operation, it will become the sixth bridge in Anhui Province after the Wuhu Yangtze River Bridge, Tongling Yangtze River Railway Bridge, Wuhu Yangtze River Third Bridge, Ma'anshan Yangtze River Railway Bridge and G3 Tongling Yangtze River Railway Bridge. The railway bridge across the Yangtze River. After the Hefei-Chizhou Intercity Railway and the Chizhou Yangtze River Highway and Railway Bridge are completed and put into operation, the roads and intercity railways between Hefei and Chizhou to southern Anhui will be opened up. Hefei and Chizhou can be quickly and directly reached by EMU trains without detours in Tongling , Anqing and other places are of great significance for further strengthening the infrastructure construction of the Wanjiang River region, improving the layout of the crossing channel, and promoting the implementation of the integrated development strategy of the Yangtze River Delta. Editor/Xu Shengpeng


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