Abstract：Research purposes: Dali-Liang Railway must pass through Erhai, Heqing, Lijiang basin, closed depression and gully of low-middle mountains between these basins, in these areas, soft soil is widely distributed, multi-level, big thickness. In Dali, Heqing, Lijiang and its corridor, environment is extremely unique and sensitive, geological conditions are complex, large active faults are developed, earthquakes are frequent，earthquake magnitude is great, earthquake intensity is high. This paper which makes research on comprehensive line selection for soft soil geology and environment complex mountain railway，aims to select route scheme of avoiding the soft soil wide, deep, thick zones and building a resource saving, environment friendly railway project.
Research conclusions :(1)The regional geological structure，new tectonic movement control basin and development and distribution of soft soil. These fault zones of forming basin edge or contour play important role in controlling the development and distribution of soft soil. On the side near the main fault zone of the basin，thickness of soft soil is large, characters of soft soil are bad, and all these factors effect line selection and result of line selection.(2)These route schemes, which comprehensive research recommended, selected the east coast of Erhai, east line of Heqing basin, east of Lijiang basin near mountains and through small depressions short distance, soft soil geological conditions are relatively good, soft soil length greater than 76. 162 km is avoided, the construction resources saving, environmental friendly railway requirements are met. (3)This research provides reference value for engineering site selection and line selection in mountain regions of soft soil development and complex environment.
杨文辉，杨英，蒋良文，和佳良，刘伟. 大理至丽江铁路软土发育区综合选线研究[J]. 铁道工程学报, 2014, 31(2): 7-10.
YANG Wenhui, YANG Ying, JIANG Liangwen, HE Jialiang, LIU Wei. Research on Comprehensive Line Selection of Dali一Lijiang Railway in Soft Soil Region. 铁道工程学报, 2014, 31(2): 7-10.
Institute of Crustal Stress China Earthquake Administration. Report of Earthquake Safety-estimation at Engineering Site about Route Selection on Dali-Lijiang Railway[R].Beijing; Institute of Crustal Stress China Earthquake Administration.
Li Jijun, Wen Shixuan, Zhang Qingsong,.etc. A Discussion on Ages, Extents and Forms of the Upheavalling of Qinghai-Tibet Plateau [J].Science in China:1976(6):608-616.
Chen Fubin, Chen Jiliang, Xu Yifeng, etc. The Geotectonic Analysis of Quaternary Deposits and Stepped Landforms in Yulong Snow Mountain-Cangshan Region[J]. The Geographical Journal ,1992:(5):430-439.
[4] 朱颖.铁路选线理念的创新与实践工[J].铁道工程学报,2009(6):1-5.
Zhu Ying. Innovation and Practice on Railway Location Concept [J].Journal of Railway Engineering Society, 2009(6):1-5.
Meng Wenli, Yang Ying, Yi Kaihua. Comprehensive Route Selection Principles and Design Ideas on Geology and Environment of Deli to Lijiang Railway[J]. High Speed Railway Technology, 2012(2):30-34,42.
Qing Sanhui, Huang Runqiu, Yang Ying, etc. Research on the Major Engineering Geological Problems and Route Strike Scheme of Yunnan-Tibet Railway[J]. Journal of Railway Engineering Society, 2007(10):6-11.
[7] TB 10038-2012, 铁路工程特殊岩土勘察规程[S].
TB 10038-2012, Code for Special Soil and Rock Investigation of Railway Engineering[S].
[8] TB 10035-2006,铁路特殊路基设计规范[S].
TB 10035-2006, Code for Design on Special Subgrade of Railway [S] .
2014, Vol. 31 
版权所有 © 2014 《铁道工程学报》编辑部