Abstract：This paper expounds the research method of alignment scheme of the Existing Railway Speed-Raising renovation. It put forward the standpoint that the alignment scheme research of Existing Railway Speed-Raising renovation must be divided into some paragraphs integrating with the condition of the Existing line's facility and the condition of the topography, geology along the railway line etc.
胡叙洪. 既有铁路提速改造线路方案研究方法的探讨[J]. 铁道工程学报, 2002, 19(4): 1-4.
HU Xu-hong. APPROACH OF RAILWAY LOCATION SCHEME RESEARCH METHOD FOR THE EXISTING RAILWAY SPEED-RAISING. Journal of Railway Engineering Society, 2002, 19(4): 1-4.
2002, Vol. 19 
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