Let the world know made in China -- Meixi River double track Super Major Bridge realizes main arch closure

"A bridge flies from north to south, and Tianjian changes its way." Zhengzhou Wanzhou high speed railway is a high-speed railway connecting central, North and East China, with a total length of 818 kilometers and a design speed of 350 kilometers per hour. After completion and opening to traffic, the journey from the main city of Chongqing to Zhengzhou, Henan Province by high-speed railway is shortened from 8 hours to 4 hours, and only about 6 hours to Beijing. On October 30, as the world's largest span high-speed railway ballastless track arch bridge
1, zhengwan high-speed railway Meixi River double track super large bridge successfully achieved the main arch closure

made in China, has always been the most famous name. With the advantages of safety and speed, China's high-speed rail has made more and more countries, even in the world, rise a wave of high-speed rail boom. It is reported that Meixi River double track super major bridge, the key part of Zhengzhou Wanzhou high speed railway, is located in Fengjie County. It is not only the largest bridge in Chongqing section, but also the largest high speed railway ballastless track arch bridge in the world. The main arch is divided into 48 hoisting units, each of which weighs more than 130 tons. After four months of unremitting efforts, the closure of the main arch is successfully completed, and the error control of the whole assembly and hoisting is achieved Within two millimeters, it's a perfect butt joint. All sections of Zhengzhou Wanzhou high speed railway have been smoothly combined one after another, which greatly promotes the complementary economic advantages and convenient exchange of production factors between Southwest China and central China, North China and Northeast China. It is conducive to the construction of Southwest China's rapid passenger transport network, the expansion of China's high-speed passenger transport network, the filling of the gap in the regional road network, the connection of Yunnan exit passage to the South Asian subcontinent, and the promotion of China ASEAN economic zone Development is of milestone significance and is a national key construction project benefiting the people and benefiting the country A 6031 a 6031 high speed rail in China has gradually become a new business card made in China. With the proposal and implementation of the belt and road strategy, it is necessary to speed up going out of the situation. China's high-speed railway has repeatedly refreshed the world's fastest railway operation test, and China's speed has been breaking through in front of the world. This is inseparable from the expectations and practical work of generations of railway people. It is that they have built a road to the sky with a pair of hard-working hands. It is that they have built a safe defense line with a piece of dark face blown by the wind and the sun A 6031 a 6031 high speed rail is fast, fast in speed, faster in the hearts of the Chinese people! The miracle of more than 100 years ago and the miracle of today's high-speed rail tell the world: China is a miracle, the miracle will not stop, the miracle will continue to happen in this magical land of China! Let the world know made in China, praise the Chinese railway and cheer the Chinese Railway people! (Wang Pei)