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全国首次长区段无碴轨道试验段位于新建铁路遂渝线引入重庆枢纽工程段内,试验段无碴轨道折合17．57单线公里,这是我国首次在土质路基上铺设无碴轨道,由铁道科学研究院、铁道第二勘察设计院与中铁八局集团公司组成的联合科研组独立进行研发、设计、施工,对树立国内自主知识产权品牌,探索高速铁路新型轨道结构建造技术,促进我国铁路向少维修、免维修方向发展,建设我国客运专线具有探索和指导意义。
The first long-section ballastless track test section in China is located on the Suyou Line of the newly-built railway and is introduced into the section of Chongqing Pivotal Project. The ballastless track in the test section is equivalent to 17.57 single km. This is the first time that China has laid ballastless track on soil subgrade. R & D, design and construction of a joint scientific research group consisting of Scientific Research Institute, Second Survey and Design Institute of Railway and China Railway Eighth Group Corporation, to establish a domestic independent intellectual property brand, explore new track structure construction technology for high-speed railway, Less maintenance, maintenance-free direction, building China’s passenger dedicated line with exploration and guidance.