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Changsha, China – In a major development for transportation infrastructure, the forthcoming Changsha Maglev Eastern Extension Line is set to transform the way passengers travel between terminals at the airport. The project, jointly undertaken by CRCHI (China Railway Construction Heavy Industry) and China Railway 14th Bureau Group, promises a seamless and efficient transit experience for

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IntroductionIn the realm of underground construction, innovative technologies are continually pushing the boundaries of what is possible. One such groundbreaking advancement is the development of the rapid pipe jacking machine by CRCHI (China Railway Construction Heavy Industry). This cutting-edge equipment has revolutionized the field by introducing a host of performance upgrades and overcoming key technical

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In this video, we will take a closer look at the world’s largest group of tunnel boring machines, with a diameter of 8.8 meters each, that are being used in the Guangzhou Metro Line 18/22 project. We will also explore the innovative frozen cutter head technology being employed to tackle challenging geological conditions in the

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China’s bamboo resources have the potential to support a new industry of bamboo composite materials, which could be worth trillions and help achieve the country’s “carbon neutral” goals. One company leading the way in this industry is CRCC, which has been exploring new applications for bamboo composite materials in pipeline and tunnel construction. After numerous

Read more about CRCC develops eco-friendly bamboo-wrapped pipes for tunnel ventilation

One of China’s largest pumped storage power station under construction, located in Hunan Province, is set to be completed with the help of the world’s first 50° steep-slope tunnel boring machine named “Tianyue”. The machine, developed by a research team of CRCHI, is equipped with multiple anti-slip and emergency safety systems to ensure safe operation

Read more about Versatile Tunnel Boring Machine Enables Smooth Switch Between 6.53m and 8m Diameters, Ideal for Steep Inclined Shaft Projects

Slope support is crucial for ensuring the safety of roads. CRCHI has developed mechanized equipment for slope support, which greatly improve the efficiency and effectiveness of the construction process. The anchor frame beam construction method is a popular choice for slope support because it involves installing anchor bolts into the slope and then securing them

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Picking cotton lint out of bolls by hand is slow, but with less waste. The traditional cotton pickers rotated front roller to stir out cotton lint out of cotton bolls. The efficiency was much improved but leaving many wastes. CRCHI developed the next generation cotton pickers equipped with sensors next to the roller. These sensors

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The largest diameter pipe jacking machine in China broke through in an urban underground common trench project recently. The machine named “Tiejun” was manufactured by CRCHI. The project is the largest diameter circular pipe jacking project in China. It is an important part of the underground common trench in Nanjing. The infrastructure shall effectively improve

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TBM “Guidun No. 1”. Manufacturer CRCHI. Equipped with The TBM meets the coal mine safety requirements and provides high efficiency excavation. During the excavation in March 2023, the TBM crossed several broken surrounding rock sections. Relying on advanced systematic support, surplus power reserve and temporary support design, it achieved smooth passage of broken surrounding rock,

Read more about Open Type TBM Φ4530 in Mine Huainan

Changsha is the capital city of Hunan province China. The headoffice of CRCHI – China Railway Construction Heavy Industry is in the same city. The river ‘Xiangjiang’ separates Changsha into two parts – east and west. Recent breakthrough under Xiangjiang river in Changsha was achieved by the CRCHI Φ15.01m Slurry TBM named Xingsheng. The tunnel

Read more about Latest Breakthroughs of CRCHI Φ15m Slurry TBM in two projects