Recently,Lianhe Expressway (Guangxi Section).
1. The left hole of the Guiyue Tunnel was successfully penetrated
It marks Hezhou City, Guangxi Province and Qingyuan City, Guangdong Province.
The highway connection line realizes "hand in hand".
It is understood that Lianhe Expressway (Guangxi Section) 1 standard Guiyue TunnelIt is located at the junction of Nanxiang Town, Babu District, Hezhou City, Guangxi Province and Qingyuan City, Guangdong ProvinceIt is a key construction section of the construction connection between Guangxi and Guangdong provinces。The left width of the tunnel is 942 meters long, the right width is 962 meters long, the maximum buried depth is about 175 meters, the geology is mostly quartz diorite, the mountains in the territory are undulating, the geological conditions are complex, the risk of collapse and the difficulty of construction.
At present, the fixed investment of 668.33 million yuan has been completed in the 1st bid section of Lianhe Expressway, and the project strives to be completed by December 31, 2024.
Looking forward to it together. Lianhe Expressway will be completed and opened to traffic as soon as possible!
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Pinglu Canal Jiuzhou Bridge
The hoisting of the lattice beam is completed
Recently, after 22 days of hoisting operations,The lifting of the lattice girder of the bridge deck of the Jiuzhou Bridge of the Pinglu Canal from Nanning to Bobainab of the Nanning-Zhanjiang Expressway was completed, marking the completion of the installation of the main steel structure of more than 5,300 tons of the bridgeIt has taken a solid step for the completion and opening of the Nanzhan Expressway in the first half of 2024.
The lattice beams on the bridge deck of the Jiuzhou Bridge of the Pinglu Canal have all been hoisted.
Located in Jiuzhou Town, Lingshan County, Qinzhou City, the Pinglu Canal Jiuzhou Bridge Project is a key control project of Nanzhan Expressway, with a total length of about 525 meters. The main bridge is a 260-meter-diameter under-supported concrete-filled steel tubular tied arch bridge, the large section of the arch rib adopts the overall lifting construction technology, the overall lifting section length is 202 meters, and the lifting weight is about 1800 tons, which is the world's largest concrete-filled steel tube arch bridge with the overall lifting span and tonnage of the arch rib under construction.
According to reports, the Nanzhan Expressway is an important part of the new land-sea corridor in the west, and it is alsoAn important channel and regional hub of Guangxi's "Dongrong".。Up to now, the project has completed a total investment of 2206.2 billion yuan, accounting for 226 percent of the total estimated budget500 million 974%；More than 98% of the project's roadbed, pavement, bridges and culverts, greening and other projects have been completed, and more than 85% of housing construction, mechanical and electrical projects have been completed.
Wuxin high-speed crosses the Xianggui Railway Bridge
Achieve 65-degree precision rotation
In the early hours of January 25,Wuxuan-Laibin-Heshan-Xincheng Expressway (referred to as Wuxin Expressway).The Xingbin hub interchange bridge on the upper span of the Xianggui Railway successfully achieved 65-degree precise rotationwithWuxin high-speed main line precise docking,It is about to enter the installation support and cushion cap fixing construction.
This extra-large bridge is one of the key key control projects of Wuxin ExpresswayAt present, the T-shaped rigid structure rotating bridge with the largest single tonnage in Guangxi District。Using the key technology of "intelligent ball hinge" large-tonnage rotating body, the rotating T-structure is 130 meters long and 30 meters wide75 meters, weight 220,000 tons. "The bridge is close to the village, the high-voltage cable, and the Hunan and Guizhou railway, with a complex construction environment and high technical difficulty. Wu Changsong, deputy commander and chief engineer of the Wuxin Expressway Command, said that the construction party installed a diameter of 4 under the base of the bridge8 meters, surface radius 2The 4-meter ball hinge supports the rotation of the entire bridge through the rotation of the ball hinge.
The total length of Wuxin Expressway is 1187 kilometers, invested and constructed by Guangxi New Development Transportation Group, a direct subsidiary of Guangxi Beibu Gulf Investment Group, with a total investment of 1861.2 billion yuan,It passes through 4 counties (cities, districts) and 17 townships including Wuxuan County and Xingbin District of Laibin CityIt is a major transportation infrastructure construction project coordinated and promoted by the autonomous region. Up to now, the construction of Wuxin Expressway has completed a total investment of 125800 million yuan, accounting for 67 percent of the total investment6%。
*丨People**, CCTV News, Guangxi**.