Harbin-Dalian High Speed Railway

Essential information：

Harbin-Dalian High-Speed Railway is a high-speed railway connecting Harbin and Dalian in China. The line is north-south and is one of the trunk railways in Northeast China. Construction of Harbin-Dalian high-speed railway started on August 23, 2007. The track laying was completed on December 28, 2010, the operation was completed on December 1, 2012, and the Shen-Ha section was incorporated into the Beijing-Ha Passage of the Eight Longitudinal and Eight Horizontal High-speed Railway in China in 2013. Harbin-Dalian high-speed railway starts from Harbin West Railway Station in the north and from Dalian North Railway Station in the south, with a total length of 921 km and 22 stations. The designed speed is 350 km/h and the train operation speed is 300 km/h. As of December 1, 2017, the total number of passengers transported by the Harbin-Dalian high-speed railway has exceeded 300 million.

Technical difficulties：

Harbin-Dalian High-speed Railway is located in the three eastern provinces where the weather is freezing. It needs to face three major technical problems: anti-frost heave roadbed, catenary ice melting and turnout snow melting.

Value Significance：

Harbin-Dalian high-speed railway can not only greatly shorten the space-time distance between the main cities in the three eastern provinces of China, create conditions for regional economic integration in Northeast China, but also release the freight capacity of railway in Northeast China. The freight capacity of Shenyang-Dalian railway can be increased by 11.5 million tons per year, and the freight capacity of Shenyang-Harbin section of Beijing-Harbin railway can be increased by 10 million tons per year. It greatly alleviates the tense situation of transportation capacity of Harbin-Dalian railway corridor. As of December 1, 2017, Harbin-Dalian High-speed Railway has run 330,000 trains safely, successfully coping with 102 snowstorms, which highlights the extraordinary strength of China's high-speed railway. The Northeast Railway Network, with Harbin-Dalian High-speed Railway as its north-south spindle, has been integrated into China's high-speed railway network by connecting with Qin-Shenzhen passengers and forming Shenyang-Changchun high-speed railway network. The two-hour economic circle centered on cities such as Dalian and other cities, and the four-to-six-hour economic circle from major cities to Beijing, have injected vitality into the revitalization and development of Northeast China.