• Title/Summary/Keyword: Fire statistics

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Evaluation of the Forest Fire Danger Rating Index Based on National Forest Eire Statistics Data (산불통계자료를 이용한 산불위험지수 고찰)

  • Kim Seon Young;Lee Byungdoo;Lee Si Young;Chung Joosang
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.7 no.4
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    • pp.235-239
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    • 2005
  • An accurate fire danger rating model can contribute to effective forest fire prevention activities. This study evaluates the national forest fire danger rating index based on forest fire statistics data from 1999 to 2002. The number of fires was related to the forest fire danger rating index $(R^2=0.67)$, and no correlation was found with burned areas. A one-way ANOVA test between forest fire danger rating levels and forest fire statistics data indicated that a difference in the number of fires was found among 'danger', 'precaution' and 'none' levels, but 'precaution' and 'none' levels could not be delineated. In the case of a burned area, no difference was found among the three levels.

A study on the corrosion evaluation and lifetime prediction of fire extinguishing pipeline in residential buildings

  • Jeong, Jin-A;Jin, Chung-Kuk;Lee, Jin Uk
    • Journal of Advanced Marine Engineering and Technology
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    • v.39 no.8
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    • pp.828-832
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    • 2015
  • This study is conducted for the evaluation of corrosion and lifetime prediction of fire extinguishing pipelines in residential buildings. The fire extinguishing pipeline is made of carbon steel. Twenty-four samples were selected among all the fire extinguishing pipelines in a building; the selection was based on specimenspositions, pipeline diameters, and pipeline thickness. Analysis was conducted by using the results of visual inspection, electrochemical potentiodynamic anodic polarization test, pitting depth measurements, and extreme value statistics with the Gumbel distribution. The maximum pitting depth and remaining life were statistically predicted using extreme value statistics. During visual inspection, pitting corrosion was observed in several samples. In addition, extreme value statistics demonstrated that there were several pipelines that were very sensitive to pitting corrosion. However, the pitting corrosion was not critical in all the pipelines; thus, it was necessary to change only those pipelines that were severely corroded.

Derivation of Cause Variables necessary for Electrostatic Fire/Explosion Risk Assessment and Accident Investigation (정전기 화재·폭발 위험성평가 및 사고조사에 필요한 발생원인 변수 도출)

  • Junghwan Byeon;Hyeongon Park
    • Journal of the Korean Society of Safety
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    • v.39 no.2
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    • pp.9-21
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    • 2024
  • Static-electricity-induced fires and explosions persistently occur every year, averaging approximately 80 and 20 cases annually according to fire statistics provided by the National Fire Agency and industrial accident statistics provided by the Ministry of Employment and Labor, respectively. Despite the relatively low probabilities of these accidents, their potential risks are high. Consequently, effective risk assessment methodologies and accident investigation strategies are essential for efficiently managing static-electricity hazards in fire- and explosion-prone areas. Accordingly, this study aimed to identify the causal variables essential for accident investigations, thereby facilitating risk assessments and the implementation of effective recurrence prevention measures to mitigate static-electricity hazards in fire-and explosion-prone regions. To this end, industrial accident statistics recorded over the past decade (2012 to 2021) by the Ministry of Employment and Labor were analyzed to identify major fire and explosion incidents and related industrial accidents wherein static electricity was identified as a potential ignition source. Subsequently, relevant investigation reports (63 cases) were thoroughly analyzed. Based on the results of this analysis, existing electrostatic fire and explosion risk assessment techniques were refined and augmented. Moreover, factors essential for investigating electrostatic fire and explosion disasters were delineated, and the primary causal variables necessary for effective risk assessments and scientific investigations were derived.

A Study on the Fire Scenarios according to Initial Fire Source Classification and Fire Statistics Investigation of Business & Sales Faciliteis (업무·판매시설의 화재통계조사 및 초기화원분류를 통한 화재시나리오에 관한 연구)

  • Lee, Byeong-Heun;Kwon, Young-Jin
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2017.05a
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    • pp.42-43
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    • 2017
  • In Korea, The buildings are getting higher and bigger, and also the fire risk is getting increased. The PBD was introduced in 2009 for the fire safety of these buildings, but the study on making scenario based on actual case of fire is insufficient. Therefore on this study, it will conduct an experiment about initial fire classification and making fire scenario based on that actual fire statistic investigation classification of PBD buildings as official and commercial facilities.

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An Impact Analysis and Prediction of Disaster on Forest Fire

  • Kim, Youn Su;Lee, Yeong Ju;Chang, In Hong
    • Journal of Integrative Natural Science
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    • v.13 no.1
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    • pp.34-40
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    • 2020
  • This study aims to create a model for predicting the number of extinguishment manpower to put out forest fires by taking into account the climate, the situation, and the extent of the damage at the time of the forest fires. Past research has been approached to determine the cause of the forest fire or to predict the occurrence of a forest fire. How to deal with forest fires is also a very important part of how to deal with them, so predicting the number of extinguishment manpower is important. Therefore predicting the number of extinguishment manpower that have been put into the forest fire is something that can be presented as a new perspective. This study presents a model for predicting the number of extinguishment manpower inputs considering the scale of the damage with forest fire on a scale bigger than 0.1 ha as data based on the forest fire annual report(Korea Forest Service; KFS) from 2015 to 2018 using the moderated multiple regression analysis. As a result, weather factors and extinguished time considering the damage show that affect forest fire extinguishment manpower.

Statistics and Management Systems of Unwanted Domestic and Foreign Fire Alarms (국내·외 비화재보의 통계 및 관리체계에 관한 연구)

  • Hwang, Euy-Hong;Lee, Sung-Eun;Choi, Don-Mook
    • Fire Science and Engineering
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    • v.34 no.2
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    • pp.30-40
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    • 2020
  • In the event of a fire and a disaster, prompt and accurate alarms inside and outside the building are directly related to the minimization of damage and the success of life evacuation. However, due to unwanted fire alarms in automated fire detection systems, the number of dispatches by misunderstanding in the 119 service is increasing. This causes the insensitivity to the safety of building managers and the waste of the fire-fighting power. Therefore, in this study, the statistical databases and literature on unwanted fire alarms in Korea and abroad (USA, UK) were identified and the management systems for unwanted fire alarms were compared and analyzed to identify problems of statistics in the management systems for unwanted fire alarms.

A Basic Study on the Fire Risk by Building Use based Growth Fire Statistics (성장화재통계 기반 건축물 용도별 화재위험도에 관한 기초연구)

  • Seo, Dong-Goo;Lee, Jong-Ho
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2020.06a
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    • pp.218-219
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    • 2020
  • The risk of a fire in a building is closely related to the usage of the building. In particular, all fires that occur in a building are not risky to safety of human life, and it is associated with the combustion area and the increase of total floor area of the building. Therefore, this study focused on safety of human life in terms of the statistics of fire with considering the aspect of growing fires and analyzed the statistical data of fire for 10 years. As for the analysis on fire, the time of occurrence by usages of buildings, frequency of occurrence and the ratio of casualties etc. were analyzed. It is expected that results of this study could be used for evaluations on a variety of parts in terms of design, construction and maintenance of buildings.

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Computer Vision-based Method to Detect Fire Using Color Variation in Temporal Domain

  • Hwang, Ung;Jeong, Jechang;Kim, Jiyeon;Cho, JunSang;Kim, SungHwan
    • Quantitative Bio-Science
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    • v.37 no.2
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    • pp.81-89
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    • 2018
  • It is commonplace that high false detection rates interfere with immediate vision-based fire monitoring system. To circumvent this challenge, we propose a fire detection algorithm that can accommodate color variations of RGB in temporal domain, aiming at reducing false detection rates. Despite interrupting images (e.g., background noise and sudden intervention), the proposed method is proved robust in capturing distinguishable features of fire in temporal domain. In numerical studies, we carried out extensive real data experiments related to fire detection using 24 video sequences, implicating that the propose algorithm is found outstanding as an effective decision rule for fire detection (e.g., false detection rate <10%).

A statistics and study of fire cause by electrics (전기로 인한 화재 원인 통계와 고찰)

  • Lee, Young-Soo;Kim, Myeong-Soo;Hawng, Byung-Pyo;Kim, Hyeong-Soo;Song, Young-Hak
    • Journal of Korean Institute of Fire Investigation
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    • v.10 no.1
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    • pp.47-57
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    • 2007
  • If it were the occurrence of fire by electricity with the rapid growth of economy, it would be serious damage for nation that effect human life and properties. To prevent electrical fires, it was basic countermeasure that make detail statistics classified by the source, place etc. with examining correct cause of fire. In this paper, we analuzed the present condition of fire occurrence of the lastest ten years and classified fires by the source, place, month in 2006. In addition our corporation staff execute in-depth and professional research on the actual state of electrics fire by visiting fire stations fire of the whole country for 8,554 electric fires in 2005. I expect this thesis to be used for preventing electric fires and providing a stepping stone on correct production of fire statistics.

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