The eastern section of Chengdu Metro Line 2 project is 13.30 km,and has 11 stations and 12 interval tunnel engineering.Its geological conditions,hydrology geological conditions and the surrounding environment are very complex.According to the natural topography,lithology,regional geological structure,and stability of the geotechnical characteristics of the eastern section of the project of No.2 Chengdu Metro Line,comprehensive investigation and comprehensive analysis on geotechnical engineering characteristics were conducted,especially on geotechnical engineering characteristics of the Minjiang River system I and II order level.Finally,engineering advices were provided and applied in the scientific planning and construction of the subway project design for No.2 Chengdu Metro Line.
