• Title/Summary/Keyword: Safe evacuation

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A Study on the Efficiency of Evacuation Guidance and Non-evacuation Guidance in Case of Fire

  • Ko, Eun-young;Hong, Sung-Ho;Cha, Jae-sang
    • International Journal of Advanced Culture Technology
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    • v.8 no.1
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    • pp.243-247
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    • 2020
  • In the era of the fourth industrial revolution, safety of disasters is being emphasized above all else, and electric fires are most frequent during disasters, and human and property damage is very serious. In this paper, we propose a study that can determine the efficiency of evacuation and non-evacuation guidance due to the large difference in casualties depending on the traffic line in the case of fire. Evacuation guidance was assumed to be a situation in which adequate evacuation routes were guided by a recorded voice or a trained staff, and non-evacuation guidance was assumed to be a situation without anything. Evacuation simulations were carried out using a evacuation simulation tool called PATHFINDER and SIMULEX for the analysis of the efficiency of evacuation and non-evacuation guidance. As a result, the evacuation time was similar, but in the case of non-evacuation guidance, it was not guided to the safe zone, which could cause serious damage.

Risk Evaluation and Analysis on Simulation Model of Fire Evacuation based on CFD - Focusing on Incheon Bus Terminal Station (CFD기반 화재 대피 시뮬레이션 모델을 적용한 위험도 평가 분석 -인천터미널역 역사를 대상으로)

  • Kim, Min Gyu;Joo, Yong Jin;Park, Soo Hong
    • Spatial Information Research
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    • v.21 no.6
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    • pp.43-55
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    • 2013
  • Recently, the research to visualize and to reproduce evacuation situations such as terrorism, the disaster and fire indoor space has been come into the spotlight and designing a model for interior space and reliable analysis through safety evaluation of the life is required. Therefore, this paper aims to develop simulation model which is able to suggest evacuation route guidance and safety analysis by considering the major risk factor of fire in actual building. First of all, we designed 3D-based fire and evacuation model at a subway station building in Incheon and performed fire risk analysis through thermal parameters on the basis of interior materials supplied by Incheon Transit Corporation. In order to evaluate safety of a life, ASET (Available Safe Egress Time), which is the time for occupants to endure without damage, and RSET (Required Safe Egress Time) are calculated through evacuation simulation by Fire Dynamics Simulator. Finally, we can come to the conclusion that a more realistic safety assessment is carried out through indoor space model based on 3-dimension building information and simulation analysis applied by safety guideline for measurement of fire and evacuation risk.

A Numerical Study on the Effects of the Smoke Exhaustion on Safe Evacuation in Emergency Situations during Fires on Ships

  • Kim, Won-Ouk
    • Journal of Navigation and Port Research
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    • v.37 no.1
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    • pp.85-89
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    • 2013
  • Sometimes, an evacuation should be executed from a ship for many reasons. This study considers on emergency evacuation on fire in a ship, one of the many reasons for evacuation. Due to the characteristic of fire, the most loss of life is known to be caused by suffocation resulted by smoke. To reduce the suffocation by smoke, the time available for evacuation should be improved for the higher survival rate of crews. In this study, crews' survival times and Evacuation time are analyzed quantitatively in during fire in the same sealed space in two different cases of the natural ventilation and the forced ventilation.

A Study for Optimal Evacuation Simulation by Artificial Intelligence Evacuation Guidance Application (인공지능 피난유도설비 적용에 따른 최적 대피시뮬레이션 연구)

  • Jang, Jae-Soon;Kong, Il-Chean;Rie, Dong-Ho
    • Journal of the Korean Society of Safety
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    • v.28 no.3
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    • pp.118-122
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    • 2013
  • For safe evacuation in the fire disaster, the evacuees must find the exit and evacuate quickly. Especially, if the evacuees don't know the location of the exit, they have to depend on the evacuation guidance system. Because the more smoke spread, the less visibility is decreasing, it is difficult to find the way to the exit by the naked eye. For theses reasons, the evacuation guidance system is highly important. However, the evacuation guidance system without change of direction has the risk that introduce to the dangerous area. In the evacuation safety assessment scenario by the evacuation simulation has the same problem. Because the evacuee in the simulation evacuate by the shortest route to the exit, the simulation result is same like the evacuation without the evacuation guidance system. In this study, it was used with MAS (Multi Agent System)-based simulation program including the evacuation guidance system to implement the change of evacuation by fire. Using this method, confidence of evacuation safety assessment can be increase.

A study on the development of the simulation software for the fire evacuation (화재 대피 시뮬레이션 소프트웨어 개발에 관한 연구)

  • Kim, Young-Heon;Lim, Dong-Jin
    • Proceedings of the KIEE Conference
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    • 2002.11c
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    • pp.201-205
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    • 2002
  • In case of fire in the buildings, the appropriate and safe evacuation plans for the building residents are very important to minimize the number of casualties. Since the evacuation time usually depends on the stairs and passages of design of the building, the evacuation plans should be considered while the architectural design is done. Conventionally, the calculation of the evacuation time in the case of fire breakout is based on the approximate mathematical equations which are prone to error. In this study, the simulation software is developed to help the architectural designers to access the more accurate evacuation time and find out the floor plans which offers the most sage evacuation plans for the residents in case of fire.

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Development of a Two-Way Evacuation Route Database Based on Interviews Conducted with Historic Preservation Area Residents

  • Mishima, Nobuo;Miyamoto, Naomi;Taguchi, Yoko;Kitagawa, Keiko;Oh, Yong-Sun;Park, Sun Gyu
    • International Journal of Contents
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    • v.9 no.2
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    • pp.48-57
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    • 2013
  • It has been determined that two-way evacuation routes that connect houses to evacuation sites should be developed to protect residents of historic preservation areas from future disasters. These routes are required because traditional buildings and other historic spatial elements are located close to each other. It is important to understand residents' perceptions of evacuation routes that connect their houses to temporary safe places to develop evacuation system strategies that include effective two-way evacuation routes. This paper describes a procedure used to construct a two-way evacuation route database designed to preserve two study areas that was based on an interview survey conducted with area residents. The resulting database contained residents' perceptions of evacuation routes. The database contains categorized spatial problems related to these routes that can be used for future research.

A Conceptual Study on Evacuation Route Analysis and Development of Refuge Algoritm (피난 경로 분석 및 유도 알고리즘 개발에 관한 연구)

  • Park, Mi-Yun;Koo, Won-Yong;Park, Wan-Soon;Kwon, Se-Gon
    • Journal of Korean Society of Disaster and Security
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    • v.8 no.1
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    • pp.1-4
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    • 2015
  • If a disaster occurs in the underground like subway, disaster response system should minimize the casualties. It must quickly guide passengers to a safe evacuation route. But sometimes the system does not work properly. And then they need distributed disaster response system which make decision autonomously. In this study, we proposed the evacuation route analysis and induction algorithms for creationg passenger evacuation route and offering optimal evacuation route.

A Study on Fire Evacuation Guidance System using Indoor Spatial Information from Beacon (실내공간정보를 활용한 비콘기반 화재위험감지와 재실자 피난지원 서비스에 관한 연구)

  • Lee, Sun Min;Kim, Tae-Kyung;Hong, Sung-Moon;Kim, Ju-hyung;Kim, Jae-Jun
    • Journal of KIBIM
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    • v.6 no.3
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    • pp.15-23
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    • 2016
  • The purpose of this study is to present the possibility of adopting beacons to implement the fire evacuation guidance system in order to reduce the evacuation time for a fire in complex buildings. A beacon-based evacuation system can quickly detect a fire's origin, optimal path of evacuation involved with the exits and the location of evacuees using information collected by the proposed system. The assessment is conducted by integrating different scenario models including fire simulation. Based on the research result, beacon is an effective tool to warn potential hazards or to provide early detection and a safe escape.

A Basic Study on the Evacuation Safety Performance of High-rise Apartment Building (고층 공동주택의 피난성능에 관한 기초적 연구)

  • 이용재
    • Fire Science and Engineering
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    • v.15 no.1
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    • pp.75-83
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    • 2001
  • It has been recognized that the evacuation planning is very important for effective evacuation of occupants on fire event. However the present evacuation planning and regulation for fire safety usually tend to meet the minimum requirements based on the existing laws and regulations. The ultimate goal of the evacuation planning is evacuate occupants rapidly from building fires to the safe areas. In this study, First, analyzed occupants load density and occupants characteristics in high-rise apartment buildings, Second, A evacuation safety performance of high-rise apartment buildings was analyzed with various typical floor plans. The purpose of this study is to figure out the evacuation characteristics in high-rise apartment buildings and improve countermeasure through comparative study on the Evacuation regulation and floor plans for High-rise Apartment buildings.

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Analysis of University Cafeteria Safety Based on Pathfinder Simulation

  • Zechen Zhang;Jaewook Lee;Hasung Kong
    • International Journal of Internet, Broadcasting and Communication
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    • v.16 no.2
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    • pp.209-217
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    • 2024
  • Recent years have seen a notable increase in fire incidents in university cafeterias, yet the social attention to these occurrences remains limited. Despite quick responses to these incidents preventing loss of life, the need for large-scale evacuation in such high foot traffic areas can cause significant disruptions, economic losses, and panic among students. The potential for stampedes and unpredictable damage during inadequate evacuations underscores the importance of fire safety and evacuation research in these settings. Previous studies have explored evacuation models in various university environments, emphasizing the influence of environmental conditions, personal characteristics, and behavioral patterns on evacuation efficiency. However, research specifically focusing on university cafeterias is scarce. This paper addresses this gap by employing Pathfinder software to analyze fire spread and evacuation safety in a university cafeteria. Pathfinder, an advanced emergency evacuation assessment system, offers realistic 3D simulations, crucial for intuitive and scientific evacuation analysis. The studied cafeteria, encompassing three floors and various functional areas, often exceeds a capacity of 1500 people, primarily students, during peak times. The study includes constructing a model of the cafeteria in Pathfinder and analyzing evacuation scenarios under different fire outbreak conditions on each floor. The paper sets standard safe evacuation criteria (ASET > RSET) and formulates three distinct evacuation scenarios, considering different fire outbreak locations and initial evacuation times on each floor. The simulation results reveal the impact of the fire's location and the evacuation preparation time on the overall evacuation process, highlighting that fires on higher floors or longer evacuation preparation times tend to reduce overall evacuation time.In conclusion, the study emphasizes a multifaceted approach to improve evacuation safety and efficiency in educational settings. Recommendations include expanding staircase widths, optimizing evacuation routes, conducting regular drills, strengthening command during evacuations, and upgrading emergency facilities. The use of information and communication technology for managing emergencies is also suggested. These measures collectively form a comprehensive framework for ensuring safety in educational institutions during fire emergencies.