• 제목/요약/키워드: Accident rate

검색결과 1,243건 처리시간 0.026초

교통사고로 유발된 경항통 환자 197례에 대한 임상적 고찰 (The Clinical Study on 197 Cases with Patients of Neck Pain Caused by Traffic Accident)

  • 전현정;김성환;김지현;이세민;신화영;이윤규;이봉효;정태영;김재수;이경민;임성철
    • Journal of Acupuncture Research
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    • 제27권2호
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    • pp.143-154
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    • 2010
  • Objectives : The main purpose of this research is to make a survey of the effective way of the Oriental medical care and to enlarge the range of Oriental medical treatment about neck pain patients caused by traffic accident. Methods : In following research. we surveyed 197 neck pain patients of traffic accident who admitted in Daegu Hanny University Oriental Medical Hospital from May, 1, 2008 to september, 30, 2009 according to medical chart. Results : 1. In distribution of gender and age, the rate of female was 74.6%, that of male was 25.4% and the majority of the patients were thirties. In results of treatment according to gender and age, the effective rate of female was higher than the male. that of teens was highest. 2. In total results of treatment, the highest distribution was fair with 40.1%, the effective rate was 90.9%. 3. In category of traffic accident patterns, the highest distribution was car to car crash with 81.7%. The results of treatment according to the significance test were shown statistical significance. 4. In admission days, the highest distribution was 6~10 days with 41.1%. The highest effective rate was 21~25days with 100%. The results of treatment according to the significance test were shown statistical significance. Conclusions : This study suggested that Oriental medical treatments are effective in patients of neck pain caused by traffic accident. Further studies are needed for progress report that after accident patients are discharged from the Oriental Medical Hospital.

CCTV 영상처리를 이용한 터널 내 사고감지 알고리즘 (An In-Tunnel Traffic Accident Detection Algorithm using CCTV Image Processing)

  • 백정희;민주영;남궁성;윤석환
    • 정보처리학회논문지:소프트웨어 및 데이터공학
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    • 제4권2호
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    • pp.83-90
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    • 2015
  • 현존하는 자동 사고감지 알고리즘의 대부분은 개방도로 혹은 터널 내에서 사고 발생 시 이것을 사고로 감지하지 못하고 혼잡으로 감지하는 경우가 많다는 문제점을 가지고 있다. 본 논문에서는 개방도로에서의 사고감지 알고리즘을 기반으로 터널 내에서의 사고감지 알고리즘을 개선하여 감지율을 높일 수 있는 알고리즘을 제안하였다. 개선된 알고리즘은 가우시안 혼합모델을 이용하여 픽셀의 변화량을 판단하여 터널 내 사고로 인한 정지차량을 우선 감지한 후 도로를 블록화하여 블록 간 점유율의 편차를 분석하여 최종 판단을 한다. 실제 사고영상에 알고리즘을 적용한 실험에서 모두 오류 없이 검지하였음을 확인하였다.

AHP를 이용한 건축건설공사 공종별 위험도 분석 (Risk Level Analysis of Architectural Work using AHP)

  • 김정민;이종빈;장성록
    • 한국안전학회지
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    • 제32권5호
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    • pp.96-102
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    • 2017
  • The highest fatal accident ratio was recorded in the construction industry. According to the industrial insurance premium rate & business type example, among the construction industry, the architectural work has the highest fatal and loss time accident ratio. Previous literature has investigated various aspects of accident occurrence and prevention in architectural work. However, those studied were limited in that they only focused on the fatal accident without considering the loss time accident. But non fatal accidents were recorded more than 50 times of fatal accidents. Therefore non fatal accidents must be controlled to lessen industrial accidents. Based on this, the goal of this study was to investigate the nature of the loss time accident and derive the risk index of work type in architectural work. In this study, opinions of safety experts were gathered and the risk index of work type was derived using AHP(Analytic Hierarchy Process). And verification was accomplished by comparing the results of this study with the risk index derived by analysis of accident records. Results showed that the risk index of work type was significantly higher in steel frame work, temporary installation work, earth & foundation work, facilities work, concrete work. And statistical analysis for verification showed that coefficient of Pearson correlation was 0.686 and P-value was 0.001.

Accident detection algorithm using features associated with risk factors and acceleration data from stunt performers

  • Jeong, Mingi;Lee, Sangyeoun;Lee, Kang Bok
    • ETRI Journal
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    • 제44권4호
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    • pp.654-671
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    • 2022
  • Accidental falls frequently occur during activities of daily living. Although many studies have proposed various accident detection methods, no high-performance accident detection system is available. In this study, we propose a method for integrating data and accident detection algorithms presented in existing studies, collect new data (from two stunt performers and 15 people over age 60) using a developed wearable device, demonstrate new features and related accident detection algorithms, and analyze the performance of the proposed method against existing methods. Comparative analysis results show that the newly defined features extracted reflect more important risk factors than those used in existing studies. Further, although the traditional algorithms applied to integrated data achieved an accuracy (AC) of 79.5% and a false positive rate (FPR) of 19.4%, the proposed accident detection algorithms achieved 97.8% AC and 2.9% FPR. The high AC and low FPR for accidental falls indicate that the proposed method exhibits a considerable advancement toward developing a commercial accident detection system.

통발어선의 작업안전 재해 분석 (A analysis of occupational accidents in the Korea trap fishing vessel)

  • 류경진;유광민;김형석;김성훈;이유원
    • 수산해양기술연구
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    • 제58권2호
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    • pp.185-192
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    • 2022
  • Fisheries is known as a high-risk industry in Korea, and various efforts have been made to reduce occupational accidents. Trap fisheries represent crustacean production, accounting for 4.7% of total fisheries production and 10.7% of its production value, which is classified as a relatively high-risk industry. With the disaster insurance payment data of the National Federation of Fisheries Cooperatives (NFFC) from 2016 to 2020, the accident rate of the entire fishery, the accident rate of trap fisheries, and the type of disasters in the past five years were analyzed. As a result, the average fishery accident rate for the past five years was 5.31%, but it was high at 6.15% for coastal trap fisheries and 5.59% for offshore trap fisheries. Slips and trips, struck by objects and contact with machinery were the most common types of the accident according to the characteristics of the work, and hand injuries were analyzed the most. Additional efforts, including education for accident prevention, development of personal protective equipment and improvement of the working environment, are needed to prevent accidents caused by repeated types of disasters.

Fatal accident in Korean Construction Industry in Comparisons with the UK Figures

  • Yi, Kyoo-Jin
    • International Journal of Safety
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    • 제4권1호
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    • pp.23-26
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    • 2005
  • In spite of the rapid economic growth in Korea, safety cultures in construction industry have not much improved during last ten years. When it is compared to other developed countries of safety, accident rate of Korean construction sites shows bleak figures. This study compares the safety figures of Korea with the UK figures in order to find out what is needed for the safety of the construction sites in Korea. By comparing occupations, age groups, kind of accident, and agent, this study found several differences and similarities, and derived the directions for better safety management.

안전예산-산재간 동적모델을 이용한 산업안전제어 전략 (Control Strategy for Industrial Safety Based on Dynamic Modeling of Safety Budget-Industrial Accidents Relationship)

  • 최기흥
    • 한국안전학회지
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    • 제26권6호
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    • pp.1-6
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    • 2011
  • This study focuses on the control strategy for industrial safety in Korea. Specifically, the effect of safety budget such as the industrial accident prevention fund on the safety performance to prevent and reduce industrial accidents is statistically examined first and modeled as a second order system. The effectiveness of such a dynamic model is also explained with a simple PI control mechanism in a feedback loop. The simulated model, however, suggests that, without improving the efficiency of the safety system, extra safety budget needed to decrease the accident rate to a level in advanced countries is far beyond the social consensus. An efficient way of reducing industrial accidents based on such a dynamic model with more internal damping but with less elastic nature in a feedback loop framework needs to be implemented.

아파트 건설공사 현장 안전관리 인력 체계 효율성 개선에 관한 연구 (A Study on the Efficiency Improvement of the Safety Management Personnel System in Apartment Construction Site)

  • 유희재;유용태;강경식
    • 대한안전경영과학회지
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    • 제19권1호
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    • pp.87-94
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    • 2017
  • In construction work, safety accidents often occur in combination with unstable physical and human conditions during preparation and execution of work. In Korea, the accident rate is higher to that of any country in the world. Therefore, it is necessary to take measures by fundamental prescription. In this paper, in the case of construction safety management, we tried to find a reasonable alternative through a questionnaire survey to apply to subcontracting and small-scale construction. In conclusion, workers who are well aware of the task could be able to reduce the accident rate by deploying them as safety management officers after receiving the training.

Impact of hydrogen on rupture behaviour of Zircaloy-4 nuclear fuel cladding during loss-of-coolant accident: a novel observation of failure at multiple locations

  • Suman, Siddharth
    • Nuclear Engineering and Technology
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    • 제53권2호
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    • pp.474-483
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    • 2021
  • To establish the exclusive role of hydrogen on burst behaviour of Zircaloy-4 during loss-of-coolant accident transients, an extensive single-rod burst tests were conducted on both unirradiated as-received and hydrogenated Zircaloy-4 cladding tubes at different heating rates and internal overpressures. The visual observations of cladding tubes during bursting as well as post-burst are presented in detail to understand the effect of hydrogen concentration, heating rate, and internal pressure. Impact of hydrogen on burst parameters-burst stress, burst strain, burst temperature-during loss-of-coolant accident transients are compared and discussed. Rupture at multiple locations for hydrogenated cladding at lower internal pressure and higher heating rate is reported for the very first time. A novel burst criterion accounting hydrogen concentration in nuclear fuel cladding is proposed.

건설현장 안전관리를 위한 지능형 CCTV의 활용 현황 및 한계 분석 (Analysis of Utilization Status and Limitations of Intelligent CCTV for Safety Management at Construction Sites)

  • 김재민;유정호
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2023년도 봄 학술논문 발표대회
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    • pp.203-204
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    • 2023
  • The construction industry is a hazardous environment in which many field workers work. Therefore, there is a limit to the safety manager's grasp of all situations. In order to solve these problems, the application of automatic control technology in connection with AI and CCTV is being introduced, and the development of intelligent CCTV to reduce the safety accident rate is actively progressing. This study seeks to present future directions by identifying the current status of intelligent CCTV developed to reduce the safety accident rate at construction sites and analyzing its limitations. Through this, the range of accident prevention types of the safety control system at the construction site will be confirmed and the need for future intelligent CCTV function development will be suggested.

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