The analysis of excavation monitoring for the Pazhouta subway station in Guangzhou

The bored cast-in-place pile with interior support and prestressed anchor, deep mixing pile and soil nail are combined to form the optimized comprehensive retaining structure. On account of bad geological conditions, the monitoring design is prepared in detail to make excavation construction informationzed, thus the potential danger is avoided by taking technical measures in time to guarantee the excavation safety. The construction experience is summed up based on the monitored data.