Stability Monitoring and Analysis of High and Steep Slope of a Hydropower Station

Figure 3

Engineering geology map of the slope. 1: collapse accumulation layer; 2: Dengying Formation grey to light grey thick dolomite; 3: Guanyinya group gray thin layer dolomite sandwich, ultrathin shale; 4: gray thin layer dolomite (specifically refers to the falling snow group stratum in the downstream of the Huashangou fault on the left bank); 5: gray interbedded with thin limestone; 6: diabase; 7: original terrain; 8: bedrock surface; 9: lithology boundary; 10: faults and numbers; 11: lower limit of relaxation zone of artificial slope; 12: groundwater level line; 13: designed excavation line.