Abstract：Bao-Tian railway is a heavy geological hazard railway. The complex topography and bad geological condition along railway arc the main factors of the frequent hazard to the existing railway, and they are also two great controlling factors of the second track route selection. Bao-Tian second track spanning Weihe river fifty-five times is a need for taking the full advantageous geological condition. Based on the analysis of geological condition along railway and the assimilation of historical experience and lesson，the article explains this opinion by actual route selection instance.
车晓明. 宝天铁路增建第二线55次跨渭河地质原因浅析[J]. 铁道工程学报, 2002, 19(1): 66-70.
CHE Xiao-Ming. PRELIMINARY ANALYSIS ON GEOLOGICAL REASONS OF SPANNING WEI- HE RIVER FIFTY-FIVE TIMES DURING DOUBLE-TRACKING OF BAOJI- TIANSHUI RAILWAY. Journal of Railway Engineering Society, 2002, 19(1): 66-70.
2002, Vol. 19 
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