SWM : Smart Water Management

Recently two earthquakes in Gyeongju (ML 5.8, Sep. 12. 2016) and Pohang (ML 5.4, Nov. 15. 2017) in southeast of Korea occurred, which are the strongest since modern instrumental observation has begun in the Korean Peninsula. The maximum intensity around the epicenters was VII in MMI scale for both cases, and the strong ground motion resulted in damages in residential buildings. Since this area is close to the major industrial cities of Korea, the largest number of dams for industrial water supply are concentrated. In this study, the ground motions recorded at a dam site close to recent two earthquake events were reviewed and analyzed. The response of the embankment dam subjected to number of earthquake events, main and aftershocks with various intensities was characterized in order to evaluate their effect on the seismic response of the embankment. Finally, the feasibility of utilizing the earthquake monitoring data for integrity evaluation of aged and deteriorated embankment dams is discussed.