High-speed rail is the fastest and most efficient ground-based way of commercial transportation. The high-speed rail system was firstly operated in Japan in 1964 and then was followed by European countries. Since the 21st century, China has taken a leading role in high-speed rail.
China is widely recognized as a infrastructure maniac, having achieved tremendous economic growth through infrastructure development over the past 20 years. The term "China Speed" is used to describe the pace of construction, with the speed of China's high-speed railway being a manifestation of this. By the end of 2019, all provincial-level administrative regions except Tibet and Macau had high-speed railway services. By the end of 2023, the total operating mileage of China's railways reached 159,000 kilometers, with high-speed railways accounting for 45,000 kilometers. As of 2023, Chinese high-speed rail network accounted for over two-thirds of the world's total.
ARIT started with admixture in the field of high-speed railways in China, participating in hundreds of projects and being one of the first batch to be certificated as a supplier of high-speed railway projects.
Name
Shangqiu-Hefei-Hangzhou high-speed railway
Line length
798km(496mi)
Operating speed
350km/h (217 mph)
The Shangqiu-Hefei-Hangzhou High-Speed Railway, also known as the "Second East China Corridor," is a high-speed rail line connecting Shangqiu in Henan Province, Hefei in Anhui Province, and Hangzhou in Zhejiang Province. The Huai River Grand Bridge on the Shangqiu-Hefei-Hangzhou High-Speed Railway is approximately 17 kilometers long, with a main span of 228 meters, and at the time of construction, it held the world record for the largest span of a high-speed railway bridge with ballastless track. After the completion of the Huai River Grand Bridge, trains will pass over the Huai River at a speed of 350 kilometers per hour, taking only a few seconds, which means the bridge will bear a huge impact force. This poses extremely high requirements for the construction quality of the project.
The on-site construction used the Type III slab track technology without ballast, which requires concrete with a low slump of 80mm to 140mm and a slump loss of no more than 20mm within 2 hours.
ARIT customized a product of high-performance water reducing admixture specifically for the purpose with low-sensitivity to slump-retaining, which well met the "three lows and one high" requirements for the base slab concrete construction.
For detailed remixing formula, feel free to connect technician of ARIT.
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