Abstract：Research purposes: The Huangguoshu － Beipanjiang section of the Shanghai － Kunming Passenger Dedicated Line is located in the mountain area deeply cut by Baling River and Beipan River in Kediya，with the complex terrain and geological conditions． The railway alignment is seriously restricted by the geological conditions．Therefore，the study on the railway alignment not only can avoid the hidden trouble of the engineering safety as much as possible when railway passes through the high gas formations，the dense goaf and the stratum with serious development of karst，but also can provide the reference to the high － speed railway alignment in the area with the same or similar geological conditions．
Research conclusions: Through the deep investigation and analysis of the environmental geological conditions and the main engineering geological problems of each alignment scheme，the GRC mathematical model was established to evaluate the alignment，and the evaluating index system and their weights for the geological alignment were offered． With GRC model，the optional schemes of CK，C4K and C19K were evaluated and their scores were respectively 73． 3，74． 3 and 73． 5． So the CK scheme was the final one． With this scheme，the railway keeps away from the unfavorable geological areas of landslide，scatter，collapse and mining area as well as the karst area with serious development．
毛邦燕,吴俊猛,喻洪平,唐兵. 沪昆客专黄果树至北盘江段地质选线方案研究[J]. 铁道工程学报, 2011, 28(10): 19-24.
MAO Bang － yan，WU Jun － meng，YU Hong － ping，TANG Bing. Study on Track Alignment in Huangguoshu － Beipanjiang Section of Shanghai－Kunming Passenger Dedicated Line. 铁道工程学报, 2011, 28(10): 19-24.
Yu Hongping，Zhang Chunxiang，Xu Xueyuan，etc．The Fourth Part of the Feasibility Study on the Section from Changsha to Kunming of the New Shanghai － Kunming Railway Passenger Special Line———Geology ［R］． Chengdu: China Railway Eryuan Engineering Group Co． Ltd，2010．
Zheng Tianchi，Zheng Yafei，Le Zhong，etc． Report of the Feasibility Study on the Section from Changsha to Kunming of the New Shanghai － Kunming Railway Passenger Special line［R］． Chengdu: China Railway Eryuan Engineering Group Co． Ltd，2010．
Mao Bangyan． Modern Deep Karst Formation Mechanism and Evaluation of Control Action on Cross －mountain Tunnel［D］． Chengdu: Chengdu University of Technology， 2008．
Mao Bangyan，Xu Mo，Zhang Shishu，etc． Fuzzy Comprehensive Evaluation of Key Problem In The Coal Mine Area Reservoir Seepage Influence Evaluation［J］． Yangtze River，2007( 6) : 103 － 106．
Wang Maojing，Zhang Yujun，Ma Jianjun． Typical Examples of Route Selection Based on Geological Conditions for Reconstruction of Guizhou － Guangxi Railway［J］． Journal of Railway Engineering Society，2010( 7) : 24 － 29．
Du Yuben， Jiang Liangwen． Main Problems in Engineering Geology and Alignment in Dali －Baoshan Section of Dali － Ruili Railway［J］． Journal of Railway Engineering Society，2010( 4) : 23 － 28．
Zhu Ying，Xu Youding，Qin Xiaolin，etc． Papers of the Railway Route Selection and the Overall Design in Complex Dangerous Mountain Areas［M］． Beijing: China Railway Publishing House，2010．
2011, Vol. 28 
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