Cheers for miracle
——Anding Tunnel: The longest tunnel on China-Laos Railway
《一带一路报道》全媒体记者 雷怡安
中铁五局承建的磨万铁路Ⅰ标段那通双线特大桥
所有美好，都将如约而至。
在极不平凡的2021年，中老铁路如约开行。这是第一条以中方为主投资建设、全线采用中国技术标准、使用中国装备并与中国铁路网直接连通的跨国铁路，规模庞大、意义重大。
致敬建设者！跨越山河，铁路相连，中老两国友谊历久弥坚。如今这份友谊更加熠熠生辉，有赖于中老铁路的建成通车，更有赖于克服了沿线地形条件复杂、气候多变、交通运输不便等困难，如期完成建设任务的默默无闻、辛勤付出的建设者们。从2016年中老铁路正式开工建设，不计其数的建设者背井离乡、将他乡作故乡，只为中老铁路顺利通车。
致敬建设者！如果要问建设者们的真心话，哪有人舍得放下家中的老父老母、哪有人舍得离开呀呀学语的孩子、哪有人舍得远离繁华的大都市走进密林深处。但为了“一带一路”倡议的落地落实，为了老挝从“陆锁国”变为“陆联国”，为了中老两国的社会发展，建设者们将个人得失抛诸脑后、无怨无悔，将建设奇迹铺满“一带一路”沿线。
为奇迹喝彩，致敬中老铁路的建设者！
Our dream is going to come true as expected.
In the extraordinary year of 2021, the China-Laos Railway open as scheduled. The China-Laos Railway is the first transnational railway adoping Chinese standards, utilizing Chinese technologies and equipment, constructed by China, and the first directly connected with China’s railway network with Chinese investment and joint operation. It is of huge scale and great significance.
A tribute should be paid to the builders! Crossing mountains and rivers, the China-Laos Railway consolidates the friendship between the people of the two countries. The opening of the China-Laos Railway should be credited to the humble and hard-working builders who have completed the construction tasks on schedule despite the complex terrain conditions, changeable climate, and inconvenient transportation along the railway. Since the construction of the China-Laos Railway started in 2016, multitudes of builders have left their homes for the smooth opening of the China-Laos Railway.
Hats off to the builders! For the implementation of the Belt and Road Initiative, for Laos to change from a “land-locked country” to a “land-linked country”, and for the social development of the two countries, they hardened their hearts to leave their families and came to the depths of the mountains from the prosperous metropolis. Regardless of personal gains and losses, they spread the miracle of construction along the Belt and Road without complaint.
Let’s applaud the miracle and pay tribute to the builders of the China-Laos Railway!
最长隧道 安定隧道
Anding Tunnel: The longest tunnel on China-Laos Railway
中老铁路第一长隧安定隧道无砟轨道施工现场
2020年11月28日，全长17.5公里的中老铁路第一长隧安定隧道顺利贯通，为铁路全线如期建成通车奠定了良好基础。安定隧道位于云南元江县与墨江县交界处，由中铁十九局和中铁五局共同承建，为全线一级高风险隧道。隧道共穿越20条断层和2个向斜构造，集有害气体、岩溶、软岩、涌水、高地应力、高地热等不良地质于一体，其工程规模、建设难度与工程风险在国内铁路隧道施工领域都极为罕见，创造了中老铁路玉磨段 8个之最：最长隧道、最长辅助坑道、最长单个斜井、最多断层、最大埋深、最大变形、最大独头施工长度、最大水压。
On November 28, 2020, Anding Tunnel, the longest tunnel (17。5 km) on China-Laos Railway, was drilled through, laying a good foundation for the whole railway’s completion and opening on schedule。 Located at the border of Yuanjiang County with Mojiang County in Yunnan Province, the tunnel is jointly undertaken by China Railway 19 Bureau Group Co。, Ltd。 and China Railway No。 5 Engineering Group Co。, Ltd。 The whole tunnel is of Level I high risk。 Passing through 20 faults and two syncline structures, the tunnel faces unfavorable geology, with harmful gases, karst, soft rocks, water gushing, high crustal stress and high terrestrial heat。
Its project scale, construction difficulty and engineering risks are extremely rare in the field of domestic railway tunnel construction。 The tunnel has set eight records on Yuxi-Mohan section of China-Laos Railway, involving the length of the tunnel, the length of auxiliary trenches, the length of a single inclined shaft, the number of faults, the maximum optimal depth, the maximum deformation, the length of sole head construction and hydraulic pressure。
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