• 제목/요약/키워드: safety Inspection

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챗봇 활용 철근콘크리트 건축물 구조안전 자가점검 시나리오 개발에 관한 연구 (Development of Chatbot Self-Inspection Scenario for Structural Safety of Existing Reinforced Concrete Buildings)

  • 양재광;강태욱;신지욱
    • 한국지진공학회논문집
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    • 제27권6호
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    • pp.331-337
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    • 2023
  • Due to the aging of a building, 38.8% (about 2.82 million buildings) of the total buildings are old for more than 30 years after completion and are located in a blind spot for an inspection, except for buildings subject to regular legal inspection (about 3%). Such existing buildings require users to self-inspect themselves and make efforts to take preemptive risks. The scope of this study was defined as the general public's visual self-inspection of buildings and was limited to structural members that affect the structural stability of old buildings. This study categorized possible damage to reinforced concrete to check the structural safety of buildings and proposed a checklist to prevent the damage. A damage assessment methodology was presented during the inspection, and a self-inspection scenario was tested through a chatbot connection. It is believed that it can increase the accessibility and convenience of non-experts and induce equalized results when performing inspections, according to the chatbot guide.

국가안전대진단의 문제점과 개선방안 (A Study on Issues and Improvements Plan for National Safety Assessment)

  • 신재헌;김상운
    • 한국재난정보학회 논문집
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    • 제14권3호
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    • pp.334-342
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    • 2018
  • 연구목적: 이 연구는 현재 국가에서 시행하고 있는 국가안전대진단의 문제점을 살펴보고 개선하여 각종 재난에 대응하는 시스템을 개선하기 위한 목적을 가진 연구이다. 연구방법: 연구의 완성을 위하여 국가안전대진단과 관련된 자료를 이용하여 이론적 배경을 구성하였고, 공개되어 있는 국가안전대진단 관련 통계자료 등을 이용하여 문제점을 파악하고 개선방안을 제시하였다. 연구결과: 국가안전대진단은 일상생활 속에 방치되어 있는 각종 재난발생 위험요소들을 제거하기 위하여 2015년부터 중앙정부와, 지방자치단체, 시민들이 협력하여 생활주변의 위험 요소에 대하여 대규모 전수조사를 실시하여 위험요소를 사전에 제거함으로써 대규모 재난을 예방하는데 긍정적인 영향을 끼쳤다. 그러나 타 기관과의 협력문제, 시민들의 신분적 역할의 한계, 보여주기식의 점검으로 인한 비효율적인 활동 등이 문제로 지적되고 있다. 결론: 이 연구에서는 재난안전 관련 기관과의 소통활동 강화, 민간인의 유형별 참여로 인한 효율성 강화, 국가안전대전단에서 사용되는 체크리스트의 현실화로 인한 효율적 활동 등을 제안하였다.

군집시설물 건설공사의 안전점검 대가 산정모델 제안 및 평가 (Proposal and Evaluation of the Safety Inspection Cost Estimation Model for Multi-building Construction Project)

  • 김진원;방종대;손정락
    • 대한건축학회논문집:구조계
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    • 제33권12호
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    • pp.11-18
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    • 2017
  • The safety inspection cost of the construction work was based on commercial facilities classified as a single building. Therefore, it is not possible to fully reflect the characteristics of the multi-building construction project such as apartment houses. Therefore, this study suggests a reasonable estimation model that can fully reflect the characteristics of the multi-building construction project. The safety inspection cost estimation model proposed two models such as construction cost ratio method and cost plus fixed fee method. And these models were simulated by the apartment construction work and compared with the current standard. As a result, the current construction cost ratio method has shown that the safety inspection cost tends to be overestimated as the construction size increases. Therefore, the proposed model has reflected characteristics of the multi-building construction project, so that it can reasonably estimate the safety inspection cost more than the current standard.

아이트래커를 활용한 건설업 경험에 따른 안전위험요인 인지 성과분석 (Analyzing Cognitive Performance of Safety Risk Factors by Construction Industry Experience Using Eye Tracker)

  • 남지현;문준부;윤성민
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2023년도 봄 학술논문 발표대회
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    • pp.357-358
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    • 2023
  • Due to recent enhance of safety law and regulations in construction sites, safety inspectors have been more required in construction sites. However, most of them are novice for safety inspection which have not enough experience and skill. Therefore, the novice safety inspector's performance on hazard recognition needs to be improved for effective safety management. The performance of safety inspection is influenced by the inspector's experience and background because the inspection is usually conducted by the inspector's eyes. Therefore, there is a difference in safety inspection performance between novice and experienced safety managers. This study aims to analyze the gap of risk perception between novice and experienced safety managers using quantitative visual data. For this objective, this study conducted eye tracking experiments for novice and experienced group to evaluate cognitive performance of safety risk factors. The results provides the level of safety awareness based on their experience in construction safety. The limitation of this study is a lack of the number of samples used in this study and did not consider the various characteristics of the participants. If these limitations are supplemented in future research, it can be used to develop safety education contents for novice safety managers.

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자동차 정기검사에서 제동력 검사의 신뢰성 향상에 관한 연구 (A Study on Increasing Reliability of Braking Force Inspection During Regular Inspection of Vehicles)

  • 오상엽
    • 대한기계학회논문집A
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    • 제40권8호
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    • pp.725-729
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    • 2016
  • 국내 운행자동차의 정기 자동차검사, 자동차 안전 및 배출가스 검사는 자동차관리법(1995년)에 따라 교통안전공단과 민간 자동차업체에서 수행해오고 있다. 특히, 적합한 검사 시스템과 방법으로 개발된 안전 검사는 자동차 안전과 서비스 품질의 신뢰성을 향상시키고 국민의 건강을 보호하는데 모든 노력을 다하고 있다. 따라서 본 연구에서는 동적 제동력 검사와 정적 제동력 검사를 비교함으로서 현재 정기 자동차검사에서 제동력 검사 방법의 신뢰성을 통계적으로 연구하여, 현재 제동력 검사 방법의 특성 및 문제점을 분석하였다. 결과로서 동적 제동력 검사장비(H)에 있어서, 진입 자동차속도에 따른 제동력비의 평균 보정계수(y=18.61+2.18x)를 산정하였다.

산업용 위험기계 및 기구관련 산재예방 정책 연구 (Safety Policies on Prevention of Industrial Accidents Associated with Industrial Machines and Devices)

  • 최기흥
    • 한국안전학회지
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    • 제30권6호
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    • pp.26-33
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    • 2015
  • This study suggests systematic procedures to improve safety policies on prevention of industrial accidents associated with industrial machines and devices. Specifically, new method of cause analysis of industrial accidents associated with industrial machines and devices is suggested and the related accident data are re-analyzed. Effectiveness of direct safety regulations such as safety certification, self-declaration of conformity, safety device regulation and safety inspection of industrial machines and devices are also analyzed. Based on those analysis results, transition from the current user-oriented safety device regulation to more balanced direct regulations on both manufacturer and user is suggested. Together with severity and frequency of industrial accidents, unit severity and unit frequency need to be taken into account to further assess the risk associated with a particular industrial machine or device. Balance between safety regulations will be realized by proper adjustment of lists of safety certification and inspection, and certification and inspection standards. This will also guarantee the maximum benefit over cost in such safety regulations.

원자로 초음파 검사 로봇 주제어 시스템 개발 (Development of A Main Control System for Reactor UT Inspect ion Robot)

  • 최유락;이재철;김재희
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 2000년도 제15차 학술회의논문집
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    • pp.288-288
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    • 2000
  • Reactor vessel is one of the most important equipment with regard to the safety of nuclear power plant. Thus nuclear regulation requires its periodical examination by certified inspection experts. Conventional reactor inspection machines are obsolete, hard to handle, and very expensive. To solve these problems we developed robotic reactor vessel inspection system which are small, easy to use for inspection, cost effective, and convenient in operation. This paper describes the main features of Main Control System which is one part of robotic inspection equipment we developed.

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선박검사제도 패러다임 전환에 관한 고찰 (A Study on Paradigm Shift of Ship Inspection System)

  • 송병화;이창현
    • 해양환경안전학회지
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    • 제28권1호
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    • pp.30-38
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    • 2022
  • UN해양법협약 제94조에 따르면 기국은 자국선박의 안전 확보를 위한 총체적 역할을 다하여야 하며, 관련 조치로서 선박검사제도를 운영하여야 한다. 대한민국 정부(해양수산부)는 해사안전 증진의 목적을 위해 해양사고 저감을 목표로 설정한 관련 정책을 시행하였으나 목표를 달성하지 못하고 있다. 선박검사제도는 해양사고 예방을 위한 조치로서 실효성 있는 제도의 운영을 위해서는 현행 선박검사제도의 원류(原流)에 대한 충분한 이해가 필요하다. 이에 따라 본 연구에서는 국제적 선박검사제도의 기원과 시대적 패러다임 변화에 대한 분석을 통해 선박검사제도의 국제적 동향을 파악하였다. 최근 선박검사제도의 국제적 패러다임은 '국제표준화'와 선사(선주)의 능동적 안전관리의 중요성이 커지고 있음을 확인하였다. 이에 근거하여 국내 선박검사제도의 패러다임 전환방안으로 'PDCA Cycle 기반 자체검사제도'의 도입을 제시하였다. 이는 해사안전의 효과성을 향상시키기 위한 ISO 9000 시리즈의 기본 철학을 바탕으로 선박검사제도 이해관계자의 역할을 정립한 새로운 형태의 선박검사제도이다. 더불어 인류는 'COVID-19'의 팬더믹 상황에 따라 비대면 선박검사제도의 필요성이 대두되고 있어 이에 대한 대안으로서 'ICT기술의 빠른 발전'이란 시대적 환경변화에 따른 '모바일 애플리케이션 기반 선박검사제도' 전환을 제안하였다.

A New Approach to Selection of Inspection Items using Risk Insight of Probabilistic Safety Assessment for Nuclear Power Plants

  • Park, Younwon;Kim, Hyungjin;Lim, Jihan;Choi, Seongsoo
    • 한국압력기기공학회 논문집
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    • 제14권2호
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    • pp.49-58
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    • 2018
  • The regulatory periodic inspection program (PSI) conducted at every overhaul period is the most important process for confirming the safety of nuclear power plants. The PSI for operating nuclear power plants in Korea mainly consist of component level performance check that had been developed based on deterministic approach putting the same degree of importance to all the inspection items. This inspection methodology is likely to be effective for preoperational inspection. However, once the plant is put into service, the PSI must be focused on whether to minimize the risk of accident using defense-in-depth concept and risk insight. The incorporation of defense-in-depth concept and risk insight into the deterministic based safety inspection has not been well studied so far. In this study, two track approaches are proposed to make sure that core damage be avoided: one is to secure success path and the other to block the failure path in a specific event tree of PSA. The investigation shows how to select safety important components and how to set up inspection group to ensure that core damage would not occur for a given initiating event, which results in strengthening defense-in-depth level 3.

건설공사 현장점검 개선방안 마련을 위한 기초연구(설문조사 중심) (Improvement Direction of Construction Field Inspections : A Survey-Based)

  • 한재구;이수경
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2015년도 춘계 학술논문 발표대회
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    • pp.188-189
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    • 2015
  • This study was conducted a survey for suggesting direction of improvement of on­site inspections in Korean construction industry. The survey is limited perspective of owners, contractors and construction managers (including supervisors) about existing 'construction field inspection manual' with field inspections (eg. central inspection, central quality safety unit inspection etc.): focusing on stakeholder's perception and actual state of inspections.

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