• 제목/요약/키워드: Disaster Case

검색결과 1,269건 처리시간 0.026초

A new approach to quantify safety benefits of disaster robots

  • Kim, Inn Seock;Choi, Young;Jeong, Kyung Min
    • Nuclear Engineering and Technology
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    • 제49권7호
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    • pp.1414-1422
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    • 2017
  • Remote response technology has advanced to the extent that a robot system, if properly designed and deployed, may greatly help respond to beyond-design-basis accidents at nuclear power plants. Particularly in the aftermath of the Fukushima accident, there is increasing interest in developing disaster robots that can be deployed in lieu of a human operator to the field to perform mitigating actions in the harsh environment caused by extreme natural hazards. The nuclear robotics team of the Korea Atomic Energy Research Institute (KAERI) is also endeavoring to construct disaster robots and, first of all, is interested in finding out to what extent safety benefits can be achieved by such a disaster robotic system. This paper discusses a new approach based on the probabilistic risk assessment (PRA) technique, which can be used to quantify safety benefits associated with disaster robots, along with a case study for seismic-induced station blackout condition. The results indicate that to avoid core damage in this special case a robot system with reliability > 0.65 is needed because otherwise core damage is inevitable. Therefore, considerable efforts are needed to improve the reliability of disaster robots, because without assurance of high reliability, remote response techniques will not be practically used.

국외 NaTech 사례연구를 통한 재난관리 방안 고찰 (Discussions on the Disaster Management for NaTech based on the Foreign Case Studies)

  • 유병태;백종배;고재욱
    • 한국안전학회지
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    • 제31권1호
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    • pp.111-117
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    • 2016
  • Natural disasters can cause major accidents in chemical facilities where they can lead to the release of hazardous materials which in turn can result in fires, explosions or toxic dispersion. Technological disasters triggered by natural disasters are referred to as NaTech(Natural Disaster Triggered Technological Disaster). These trends increase the probability of catastrophic future disasters and the potential for mass human exposure to hazardous materials released during disasters. In the present study, we proposed some methods for effective disaster management by conducting case study of major NaTech. First, establishing information sharing system of chemical accident for stakeholders and improving disaster manuals and standards of central and local government and co-operation support system. Second, activating information service of emergency planning and community right to know. Third, improving the integrated chemical accident database including NaTech accidents.

재난약자의 스마트폰 재난정보 활용 욕구에 관한 연구 : 영등포전통시장 사례 중심으로 (A Study on Disaster Vulnerable People who Desire to Use Smartphone for Disaster Information : Focusing on Yeongdeungpo Traditional Market Case)

  • 박상길;최재붕
    • 한국IT서비스학회지
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    • 제18권3호
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    • pp.1-15
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    • 2019
  • Disadvantaged from disaster response training and disaster safety education who people are vulnerable to disasters when faced with disasters. The vulnerability of these disaster response will be linked to the desire for disaster information. Therefore, using smartphone to provide timely disaster information will be an effective disaster response service that enables disaster vulnerable people to avoid disaster efficiently. In particular, the importance of using smartphone as a part of the body will become more and more important in everyday situations when information is acquired through smartphone. In this study, Through a survey of traditional market traders, I can find out that the desire of elderly women, who are weak in disaster, to receive disaster information through smartphone text service is relatively strong. Based on the results of this study, I expect that the opportunity to improve disaster response capability through smartphone text service will be provided to elderly women who are weak in disaster.

유럽 방재선진국 사례분석을 통한 미래 재난관리 표준시스템 구축에 관한 연구 - 기후변화 적응을 중심으로 - (A Study on the Establishment of the Standard Future Disaster Management System through the Case Analysis of European Countries - Focusing on Climate Change Adoption -)

  • 박덕근;오정림;손영진;송영갑
    • 한국재난관리표준학회지
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    • 제2권3호
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    • pp.61-66
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    • 2009
  • 과거 우리나라의 재난관리는 재해가 발생한 후 이에 대한 복구를 수행하는 사후복구에 중심을 두었다고 볼 수 있으나, 현재는 과거와 같은 사후복구가 아닌 재해발생을 미리 예측하고 이에 대한 정보를 일반인에게 전파하여 재해발생에 따른 피해를 최소화 하는 재난관리시스템 구축에 중점을 두고 있다. 그리고 최근에 전 세계적으로 발생되고 있는 재난은 과거에 비해 그 규모나 피해 정도가 대형화되고 있는데 이는 산업발달과 인구의 증가 등에 따른 기후변화가 주된 원인으로 작용하고 있기 때문이다. 본 연구를 통해 기후변화 적응을 중심으로한 국제기구 및 유럽 방재선진국의 재난관리 사례를 분석, 국내 실정에 적합한 미래 재난관리 표준시스템 구축을 위한 방안과 대안을 기술하고자 한다.

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복합재해 영향을 고려한 산불 후 산사태 잠재적 피해 위험도 분석 (Analysis of the potential landslide hazard after wildfire considering compound disaster effect)

  • 이종욱;이동근;송영일
    • 한국환경복원기술학회지
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    • 제22권1호
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    • pp.33-45
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    • 2019
  • Compound disaster is the type that increases the impact affected by two or more hazard events, and attention to compound disaster and multi-hazards risk is growing due to potential damages which are difficult to predict. The objective of this study is to analyze the possible impacts of post-fire landslide scenario quantitatively by using TRIGRS (Transient Rainfall Infiltration and Grid-Based Regional Slope-Stability Analysis), a physics-based landslide model. In the case of wildfire, soil organic material and density are altered, and saturated hydraulic conductivity decrease because of soil exposed to high temperature. We have included the change of soil saturated hydraulic conductivity into the TRIGRS model through literature review. For a case study, we selected the area of $8km^2$ in Pyeongchang County. The landslide modeling process was calibrated before simulate the post-wildfire impact based on landslide inventory data to reduce uncertainty. As a result, the mean of the total factor of safety values in the case of landslide was 2.641 when rainfall duration is 1 hour with rainfall intensity of 100mm per day, while the mean value for the case of post-wildfire landslide was lower to 2.579, showing potential landslide occurrence areas appear more quickly in the compound disaster scenario. This study can be used to prevent potential losses caused by the compound disaster such as post-wildfire debris flow or landslides.

u-T 환경하에서의 재난/재해시 교통관리지침 개념 정립에 관한 연구 (Research on Concept of Guideline for Traffic Management in the Case of Disaster Events under a u-T Environment)

  • 윤재용;전종수;권영혁;이의은
    • 대한토목학회논문집
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    • 제30권4D호
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    • pp.331-338
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    • 2010
  • 우리나라의 경우 최근 늘어나는 재난 발생에 비해 재난 발생시 교통운영관리에 대한 연구가 부족한 실정이다. 더군다나 재난/재해시 교통운영관리 매뉴얼은 한국도로공사를 제외하고는 대부분의 매뉴얼에서 교통운영관리에 대한 내용을 다루고 있지 않거나 아주 초보적인 내용이 주를 이루고 있다. 따라서 본 연구는 재난/재해 발생시 교통운영관리 지침을 제시하기 위한 개념을 정립하였다. 이것을 위해 먼저 미국의 지침을 분석하였으며, 이를 토대로 우리나라 상황에 적용 가능한 개념들을 제시하였으며, 특히 향후 u-T 환경이 구축됨에 따라 재난/재해시 효율적 교통운영관리가 가능해 질 것으로 판단되며 각 재난관리 단계인 예방, 대비, 대응, 복구 단계에서의 필요한 개념들을 제시하였다.

풍수해 현장조치 행동매뉴얼 분석을 통한 상황 기반 재난 대응 모델 연구 (A Study of the Situation Based Disaster Response Model from the Damage of Storm and Flood Field Manual)

  • 이창열;박길주;김태환;이현성
    • 한국재난정보학회 논문집
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    • 제15권4호
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    • pp.617-625
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    • 2019
  • 연구목적: 재난 유형별로 관리되는 현장조치행동매뉴얼은 해당 재난의 종합적인 대책 가이드라인이라고 할 수 있지만, 실제 재난은 매뉴얼에 기록된 모든 임무가 다 필요하지는 않기 때문에 현장 담당자가 수행해야할 임무에 혼선이 발생할 수 있다. 본 연구에서는 특정 재난 상황에 따라 필요한 임무만 수행할 수 있는 상황 기반 재난 대응 프로세스 모델을 제시한다. 연구방법: 현장조치행동매뉴얼에서 언급된 재난 상황의 유형을 분류하고, 각 재난 상황에 따른 임무 수행 시나리오가 반영된 재난 대응 프로세스를 도출한다. 그리고 이에 대한 검증과 보완으로 안전한국 훈련의 훈련 시나리오를 본 모델에 적용하여 지속적으로 피드백 할 수 있는 체계에 대한 연구를 수행한다. 연구결과: 현장조치 행동 매뉴얼의 재난 상황별로 임무 수행 프로세스를 지원하는 임무 모델과 이를 기반으로 구성되는 재난 대응 프로세스 모델 체계를 제시하였다. 개발된 모델에 기반하여 안전한국 훈련 시나리오 모델을 적용하였다. 결론: 재난 상황을 지원하는 재난 대응 프로세스 모델을 개발하였다. 이를 기반으로 현장 조치 행동매뉴얼이 작성되고, 안전한국 훈련 시나리오가 작성되면, 안전한국 훈련의 점검을 통하여 현장조치 행동매뉴얼의 재난 대응 프로세스가 지속적으로 개선될 수 있을 것이다.

u-방재 City 기본방향 연구 (Introduction of Principles for Disaster Prevention Planning in u-City)

  • 김현주;박영진;이원성;연경환
    • 한국방재학회:학술대회논문집
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    • 한국방재학회 2008년도 정기총회 및 학술발표대회
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    • pp.127-130
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    • 2008
  • This study demonstrates a basic concept and designing direction for the realisation of disaster prevention planning in u-City(u-BangjaeCity) that is from establishing a planning system in terms of the areas of professional disaster and safety management for the national disaster management. and designing disaster or safety management system via using ubiquitous technology for the scientific disaster management. In order to realise u-City it is necessary to maps out interrelation amongst various services such as traffic, environment and disaster prevention. Domestic and international case studies regarding the tendency of disaster prevention planing in u-City and its analysis could be the fundamental resource in order to develop the standard model of u-BangjaeCity.

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토사재해 저감 도시설계 사례검토 및 국내 적용방안 연구 (Urban Design Case Review for Mitigation of Sediment Disaster and its Application in Korea)

  • 이윤상;김효진;진규남
    • 토지주택연구
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    • 제8권3호
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    • pp.201-210
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    • 2017
  • Recently, as a part of measures against large-scale natural disasters in Korea, disaster prevention matters are strengthened in urban planning. With the introduction of the disaster vulnerability analysis system, plans for disaster prevention are being reinforced in urban planning. However, there are many problems to be solved at the stage of operation and practical application of the law. When disasters occur, we are focusing on response and recovery plans. Therefore, it is not enough to construct a comprehensive disaster prevention system to prevent disasters in advance. The established disaster prevention plan is difficult to plan management centered on disaster prevention due to factors such as economic efficiency, convenience, and comfort. This study is a basic study for supporting disaster prevention mitigation plan. For this purpose, the analysis of the actual situation of disaster prevention plan at home and abroad and improvement plan were derived. ased on these improvement plans, we have developed a method to apply the element technology of urban design to the test bed to reduce sediment disaster. The test bed was investigated and examined in the disaster hazard area of Busan and Seongnam city. And the defense technology is applied to the selected site, and the basis of the disaster prevention plan and design is proposed. If the proven techniques are reflected from the urban planning stage, it will be possible to contribute to the mitigation of sediment disaster caused by the city.