Abstract：Research purposes: The establishment and key technical index or parameter has been studied for waterproofing and drainage system of subgrade engineering concerning ballastless track of passenger dedicated railway line and the preliminary frame and technical characteristics have been put forward of waterproofing and drainage system of subgrade engineering concerning ballastless track of passenger dedicated railway line in China.
Research conclusions: The establishment of waterproofing and drainage system of subgrade engineering concerning ballastless track of passenger dedicated railway line has been put forward as well as four key technical problems which need to be further studied and resolved have been pointed out such as detection standard for water stability of subgrade filling, technical condition for asphalt concrete waterproof Layer of subgrade surface, subdrainage stmcture and its maintenance and system optimization of waterproofing and drainage system for subgrade.
刘彬，魏永幸. 客运专线铁路无砟轨道路基防排水体系的思考[J]. 铁道工程学报, 2008, 25(6): 36-38.
LIU Bin，WEI Yong-xing. Thoughts on Waterproofing and Drainage System of Subgrade Engineering concerning Ballastless Track of Passenger Dedicated Railway Line. 铁道工程学报, 2008, 25(6): 36-38.
2008, Vol. 25 
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