Page - 719 - in Book of Full Papers - Symposium Hydro Engineering

Notes：Emergency degree include four levels namely Ⅳ, Ⅲ, Ⅱ, Ⅰ, ranging from low to high according to the degree of urgency and consequence. 3. CONCLUSION (1) Dam emergency monitoring should be quickly and effectively, and combined with inspection. Emergency monitoring will not only consider increasing the monitoring frequency of existing monitoring facilities, but also consider the addition of temporary monitoring facilities for new dam deficiency. Monitoring data analysis should focus on comparison of historical data and data after the occurrence of unexpected events. Monitoring items are related to dam unexpected events or dam dangers as well as degrees of dam unexpected events. (2) Inspection should be focused on spillway, gates, and slopes around spillway. Unmanned aerial vehicle (UAV) may be applied. Water level, rainfall, inflow and outflow discharge, deformation, seepage pressure, seepage discharge should be monitored. Spillway pulverization should be monitored during flood discharge. (3) Variation of tendency should be more concerned during inspection and monitoring for abnormal seepage and structural instability. Monitoring items should be corresponding with dam incidents. Monitoring data should be analyzed in time. (4) The damages caused by earthquake are related with earthquake magnitude and distance from epicenter. The monitoring item is focused on crack, leakage, structural deformation, landslide and seismic acceleration. 4. ACKNOWLEDGEMENTS This paper is sponsored by National Key R&D Program of China (grant number 2016YFC0401608) the Nonprofit Industry-Specific Research Project by Chinese Ministry of Water Resources (grant number 201501033) and the International S & T Cooperation Program of China (ISTCP)(grant number2011DFA72810). REFERENCES [1] SL/Z720-2015 Guidelines for emergency preparedness plan of reservoir dam safety management. Beijing: China Water & Power Press, 2015. [2] ICOLD (2016), Bulletin 166 inspection of dam following earthquake guidelines. [3] Wang SJ, Gu YC. Dam inspection following earthquake, China Water-Resources, 2012(6) 35-37. [4] Wang SJ, Ni XR, Gu YC, LONG WF. Features of seismic hazard in reservoir dams by the WENCHUAN earthquake, Twenty-Fourth Congress on Large Dams, June2-8, 2012 Kyoto, Japan:579-586. 719