Monitoring and Analysis of Ming Dynasty City Wall Safety Influenced by Construction of Jiuhuashan Tunnel

The monitoring project on Ming Dynasty Wall safety influenced by construction of Jiuhuashan tunnel in Nanjing is set forth, whcih includes explosion vibration monitoring, displacement and settlement monitoring, surrounding condition monitoring. Combining with construction status, on the analysis of monitoring data", "the result indicates a series of protective technologies and measures involving reinforcing the base of Ming Dynasty Wall, reducing excavation blasting vibration effect and controlling wall rock settlement, stabilizing surface environment. etc are effective. The conclusions presented can be taken as a reference in design, construction and research of similar projects in the future.