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Jing Chengye talks: North Coal to South Transport, Haoji Railway-the world's longest heavy-duty railway opened today

Edit: Administrator Browse: Time: 2019-09-28

As the world's longest-built heavy-haul railway and the largest coal transportation channel in the world, the Haoji Railway (formerly known as the Menghua Railway) is scheduled to open for trial operation before the National Day. On September 19th, the reporter came to the Dongting Lake Super Bridge, which is also a controlled project on the entire Haoji-Jilin Railway. The structure of the bridge is novel and the construction technology is difficult, and it has created five firsts among similar bridges at home and abroad. At present, the project construction has been completed.

On September 28, the world's longest-operating heavy-duty railway, the Houle Baoji to Ji'an Railway (hereinafter referred to as the Haoji Railway, the original Mengxi to Central China Railway) was opened and operated. A new energy transportation channel running through the north and the south has been added.

With a total length of 1813.5 kilometers, the Haoji Railway is the world's longest railway with one-time construction and operation. It started from Ordos City, Inner Mongolia Autonomous Region, passed through Inner Mongolia, Shaanxi, Shanxi, Henan, Hubei, Hunan, Jiangxi and other seven provinces and autonomous regions, and finally to Ji'an City, Jiangxi Province. The line is designed to run at a speed of 120 kilometers per hour. There are 77 stations including Horebao Ji'nan, Yan'an East, Sanmenxia West, and Ji'an. The planned transportation capacity exceeds 200 million tons per year, and it is the world's longest-run railway at one time.

This railway once crossed the Yangtze River and twice across the Yellow River, from north to south through the Maowusu Desert, the northern Shaanxi Loess Plateau, the Luliang Mountains, the Zhongtiao Mountains, the Qinling Mountains, the Jianghan Plain, the Dongting Lake Plain, and the western Jiangxi hills. Geological conditions It is extremely complicated and brings great test to railway construction. There are 770 large and medium bridges on the main line with a total of 381 kilometers, of which 10 are over 5 km in length, and 229 are tunnels with a total of 468.5 km, of which 10 are over 10 km in length, and the bridge-to-tunnel ratio is about 46.9%.

The Haoji Railway has completed 21 collection and transportation projects simultaneously. After opening operation, it can connect multiple coal collection and distribution lines, and realize the function of combined iron and steel transportation. After the line is opened, it will adopt a new operation and management model of “independent operation, commissioned transportation, centralized dispatch, and comprehensive maintenance”.

The Haoji Railway connects the “Golden Triangle” area of Mongolia, Shaanxi, Gansu and Ningxia with central China such as Hubei, Hunan and Jiangxi. Corridors, an important part of China's comprehensive transportation system. Dongguan Jingcheng Industry provides various types of pin jack connection application solutions, including connector pin jacks, spring clips, pick and place pads and pogo pins. Our battery connector products include shrapnel, floating battery interconnect system (FBIS) and pogopin, with options to meet the changing needs of smartphones.

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