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China's high-speed railways are globally renowned for speed and smoothness, and ballastless track technology is key to this success. China has developed various ballastless track technologies with independent IP, like CRTS Type Ⅰ, Ⅱ, and Ⅲ. These are used not only on domestic high-speed lines such as the Beijing-Shanghai High-Speed Railway but also on overseas projects like the Jakarta-Bandung High-Speed Railway.
Compared to traditional ballasted tracks, ballastless tracks offer multiple advantages:
1. Greater Stability: Integrally cast with concrete or asphalt, ballastless tracks prevent ballast splashing and track-bed deformation, ensuring high-speed train safety and comfort.
2. Longer Lifespan: Their high-strength components resist wear, with a lifespan of over 50 years, cutting long-term costs.
3. Lower Maintenance: Their stable structure reduces the need for tamping and ballast replenishment, lowering maintenance requirements and improving line availability.
4. Aesthetic Appeal: Their flat, ballast-free surface suits urban transit and high-standard railway lines, enhancing the environment and passenger experience.
5. Adaptability: Ballastless tracks are ideal for tunnels, bridges, and mountainous areas, reducing dust, lightening bridge loads, and withstanding complex geology.
Ballastless tracks have become essential in modern railway construction. They've driven China's high-speed rail development, showcased Chinese technology globally, and will continue to lead the industry towards a more efficient, safe, and sustainable future.
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