Verification for Improvement of Crowd Evacuation Conditions By Evacuation Guidance During Tsunami Disaster

Abstract eng:
Improvement for disaster information transmission and verification method against evacuation problems are continued through the various efforts. In addition, it is also necessary to verify the evacuation problems during disasters. Announcement of evacuation sites using hazard map and disaster mitigation education such as evacuation training are important as previous countermeasure for the disasters. On the other hands, evacuation guidance is effective for the crowd evacuation condition. However, it is necessary to verify to countermeasures during disasters because few research results were provided so far. Hence, this research verifies the effect of optimize deployment of evacuation guides. Multi-Agent simulation was used for the verification, and numerical data model of urban zone was replaced the numerical network model. As widely known, bottleneck of road network is most important factor on the crowd evacuation condition. Therefore, this verification pic-upped the bottleneck sites in the urban area during crowd evacuation condition, and the deployment of evacuation guides was decided based on the results of crowd evacuation simulation. As a specific of deployment criterion, the number of cumulative population density was calculated based on the simulation without evacuation guides. The results of the numerical simulations show that the concentration of evacuee crowd at particular evacuation roots are improved by the deployment of evacuation guides based on this research results. In addition, total evacuation time is reduced comparing with in the case of simulation without evacuation guiding.

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