All through!IntersectionIntersection

July 13th at 10 o'clock

With the last explosion at the scene, it was successfully completed

Guiyang to Nanning high -speed railway Guizhou section

(The following referred to as the Guizhou section of the Guinan high -speed rail)

Qingmiaozhai Tunnel goes smoothly

It marks the Guizhou section of the Guidan high -speed railway

All tunnel engineering runs through

It lays a solid foundation for the completion of the entire line as scheduled

The Guizhou section of the Guinan high -speed railway is about 199.6 kilometers, and the design speed is 350 kilometers per hour. It started on December 29, 2016. It started in February 2019. The entire line of bridge and tunnels reached 91%. There are two newly built Du Shandong and Libo. The station and Longli, Guiding County, and Duyun East have three reconstruction and expansion stations. At present, the construction of the four -power and station building projects has been launched, and the projects are promoting in an orderly manner in order.

Qingmiaozhai Tunnel is located within the junction of Longli County and Guiding County, Guizhou Province, and is a single hole and double line. The tunnel is a key control project of the Guizhou section of the Guizhou high -speed rail. It has a total length of 8340 meters. The cave crosses 5 faults, 2 soluble rocks and non -soluble rock contact belts. The soluble rock section is about 1150 meters long. Essence

During the construction process, the railway department adhered to the principles of "governing super, short excavation, strong support, early closure, diligence measurement", scientific organizations, continuously optimizing the allocation of resource allocation, and solving difficulties in bad geological and material transportation. The goal of the Qingmiaozhai Tunnel is safe and smooth.

The Guidan high -speed rail is an important part of the Baotou to the Hainan Railway Channel from the "Eight Eights and Eight Heng" high -speed railway network. After the opening of the traffic, it will be connected with the Shanghai -Kunming high -speed rail, the Chenggui high -speed rail, and the Yungui Railway. And the northwest region to Nanning, Beibu Gulf, western Guangdong, and Hainan.

Supply: "People's Railway" Newspaper Co., Ltd. Sichuan Reporter Station (Chengdu Bureau Group Company Rong Media Center)

Wen Tu: Zheng Zhibin Jiangqing Li Jie Hu Zhiqiang Huang Chen

Video: Li Jie

Edit: Qi Meihua

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