A batch of infrastructure construction projects in my country has made important progress

Xinhua News Agency, Beijing, September 9th (Fan Xi, Xu Haobing) Reporters learned from China Railway Construction Co., Ltd. on the 9th that some of the infrastructure projects under construction in my country have made important progress.

In Yunnan, the key project of Yunnan Province, which was invested by China Railway Construction Kunlun Group and the Twenty -Fifth Bureau of the China Railway Group, to the old Heihan Tunnel of Qujing Sanbao to Kunming Clear Water Expressway to achieve dual -line penetration in advance. This is the first part of the high -speed Kunming section. Special Tunnel. After the completion of the Sanqing Expressway, the two high -speed separations of G56 Hangrui and G60 Shanghai -Kunming will effectively alleviate the traffic pressure from Kunming to Qujing high -speed speed.

In Sichuan, the Daliangshan No. 2 tunnel of Lexi Highway has made new breakthroughs, and the single hole has been excavated more than 14,000 meters. According to the person in charge of the project of the 15th Bureau of the China Railway 15th Bureau, the total length of Daliangshan No. 2 Tunnel is about 12.5 kilometers. It is the fourth long tunnel in the highway under construction in the Southwest. Control engineering throughout the line. The tunnel is located in a shallow water -rich landslide, and it has a variety of deformation sections through the gas area and weak surrounding rocks. The construction difficulty and safety risk are high.

In Hunan, the Yiguang high -speed railway Yiyang to Changsha section was opened a few days ago. Among them, Ningxiang Station Special Bridge is one of the key control projects across the board. Ningxiang Station Bridge is 4,763 meters long, and its rotor continuous beam is 108 meters long. It spans the important traffic roads of the Shichang Railway and Ningxiang City. During the construction period, only 50 minutes of the China Railway Twenty -Fourth Bureau Group made 11,000 tons of rotary bridge steadily to achieve accurate docking.

In Jiangxi, on the 8th, with the issuance of the "Plumb" command, the 650 -ton track hanging began to hang 106 tons of steel truss flyover, and finally achieved accurate seats in the flyover, across the Beijing -Hong Kong high -speed rail line, Shanghai -Kunming contact line, Beijing Nine -line and four railway routes such as Changjing Huang Railway under construction. According to the person in charge of the project of the 24th Bureau of the China Railway Twenty -four Bureau, the successful lifting is marked, marking the installation of the main truss of the Henggang Station of the Beijing -Hong Kong high -speed railway and the Beijing -Kowloon Railway. The completion of the post on the post laid a solid foundation.

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