Lanxin high -speed rail earthquake damage is restored to normal operating conditions

Xinhua News Agency, Lanzhou, September 1st (Reporter Li Jie) The reporter learned from the China Railway Lanzhou Bureau Group Co., Ltd. that on the 1st, the Lanxin high -speed rail "two tunnels and one bridge" of the Lanxin high -speed rail "two tunnels and one bridge" of the Lanxin high -speed rail " The Lanxin High -speed Railway Haomen to Zhangye section between the two provinces of Qinghai will return to normal operating conditions.

On January 8th, a magnitude 6.9 earthquake occurred in the Menyuan Hui Autonomous County, Qinghai Province, causing the Lanxin High -speed Railway Haomen to Zhangye section, the Galian tunnel, the Qilian Mountain Tunnel, and the sulfur ditch bridge were damaged, and the section was interrupted. On March 24, after detailed survey and research and scientific assessment, the railway department began to implement the re -rectification project of the Daliang Tunnel, the Qilian Mountain Tunnel in situ, and the reconstruction of the sulfur gap bridge.

According to the relevant person in charge of the China Railway Lanzhou Bureau Group Co., Ltd., the re -rectification construction site is located at the plateau with an altitude of 3600 meters to 3800 meters. The outdoor temperature is low, the average wind is above 4 or more, and the air content of the air is only in the plain area. 55%, the temperature difference between day and night is large, and the effective construction time is short. The project was planned for 8 months, and each participating in the construction unit overcame the unfavorable conditions.

It is reported that many rectification and construction tasks such as the orbit, bridge, tunnel, and natural disaster monitoring systems of Lanxin high -speed rail earthquakes have been successfully completed.

[Editor in charge: Zhou Chuqing]

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