Assessment of Traffic Disturbance Considering Earthquake in Snow Season

Abstract eng:
Snowy district should pay extra attention to the complex disaster of snow and earthquake. We are holding many problems due to enlarged seismic disaster by collapse of piled snow on streets and roofs, moreover, securing escape route and space for the fire control and the rescue activities are the big difficulties. However, current disaster prevention measures are mostly considered for summer, and there are few studies of seismic disaster assessment for snow season. In this study, simple model that predicts street blockage in snow season is constructed, and simulation system that expresses the impact of snow is developed. Therefore, traffic disturbance considering both snow and earthquake is estimated. As a result, reality of current problems over disaster prevention activity in snow season are extracted as follows: street blockage increases about three times more than the time when earthquake occurs without snow, and some districts are suspected to be forced to take detour and be isolated for emergency activity after earthquake. Also consideration of such detail investigation for emergency transportation route, priorities to set snow removable vehicles and seismic retrofitting are possible by the developed system in this study.

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