Luqiao Highway
On July 20, with the completion of the last concrete pouring, the tower pier under the No. 2 cable tower of the Guangming Niulanjiang Bridge on Luqiao Expressway was successfully capped. So far, the tower piers under the two cable towers of the bridge have all been capped, and the tower column construction will be fully entered.
Niulan River Bridge across the Niulan River Valley, the bridge site is located in the direction of Tiansheng Bridge to the upper reaches of the Niulan River about 700 meters, the small mileage bank is connected to the Guangming Tunnel, the large mileage bank is connected to the Xinping Tunnel, the main span of 370 meters of the composite beam cable-stayed bridge across the Niulan River Valley, the total length of the bridge is 822 meters, it is the control project of Luqiao Expressway.
It is reported that the Ludian-Qiaojia Expressway is located in the northeast of Yunnan Province, the project route starts from Ludian County, Zhaotong City, connects the G7611 Duyun to Shangri-La Expressway, ends in Qiaojia County, Zhaotong City, and connects the S23 Kunming to Qiaojia Expressway of Yunnan Province to Qiaojia Expressway, which is the most convenient passage connecting Zhaoyang District, Ludian County and Qiaojia County.
Will be clever highway
On July 18, the extra-long tunnel of Huiqiao Expressway was successfully completed.
Located at the junction of Huize and Qiaojia counties in Qujing City, the Waist Dianzi Tunnel is an important bridge connecting the transportation from Huize to Qiaojia, and is a key control project of the entire expressway project. The total length of the tunnel is 4,217 meters, and it crosses the Xiaojiang fault zone radially, with a maximum buried depth of 783.55 meters. The two ends of the tunnel are located between steep and deep valleys, and the mountains on both sides are steep and steep, with a surface slope of more than 60°, and the construction conditions are harsh. In order to ensure the smooth start of construction, the construction personnel overcame many difficulties and gradually optimized the transportation conditions by means of people carrying horses and horses, reversing machinery and tools, etc., and finally realized the transportation of large items.
The successful breakthrough of the Yuedianzi extra-long tunnel marks the key progress made in the construction of the Huiqiao Expressway. It is reported that the Huiqiao Expressway is an important part of the "interconnection" project of the expressway network in Yunnan Province, and is a key component of the expressway connecting Yunnan, Sichuan and Guizhou provinces, and is also the inter-county economic trunk line connecting Huize County and Qiaojia County.
Source: @昭通日报 WeChat, @巧家融媒, Yunnan Net
Editor: Chen Yan
Review: Zhong Ling
Final review: Peng Deguang