간행물

한국안전학회(구 한국산업안전학회)> 한국안전학회지(구 산업안전학회지)

한국안전학회지(구 산업안전학회지) update

Journal of the Korean of Safety

  • : 한국안전학회(구 한국산업안전학회)
  • : 공학분야  >  기타(공학)
  • : KCI등재
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  • : 연속간행물
  • : 격월
  • : 1738-3803
  • : 2383-9953
  • : 산업안전학회지(~2004) → 한국안전학회지(2004~)

수록정보
수록범위 : 1권1호(1986)~35권5호(2020) |수록논문 수 : 2,910
한국안전학회지(구 산업안전학회지)
35권5호(2020년 10월) 수록논문
최근 권호 논문
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KCI등재

1교차가새형 선행 안전난간을 적용한 시스템비계의 구조 성능 평가

저자 : 박주동 ( J. D. Park ) , 이현섭 ( H. S. Lee ) , 신우승 ( W. S. Shin ) , 권용준 ( Y. J. Kwon ) , 박순응 ( S. E. Park ) , 양승수 ( S. S. Yang ) , 정기효 ( K. Jung )

발행기관 : 한국안전학회(구 한국산업안전학회) 간행물 : 한국안전학회지(구 산업안전학회지) 35권 5호 발행 연도 : 2020 페이지 : pp. 49-58 (10 pages)

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In domestic construction sites, when installing steel pipe scaffolding and system scaffolding, the guardrails are installed after the installation of the work platforms. This conventional guardrail system (CGS) is always exposed to the risk of falls because the safety railing is installed later. In order to prevent fall disasters during erecting and dismantling scaffolds, it is necessary to introduce the advanced guardrail system (AGS) which installs railings in advance of climbing onto a work platform. For the introduction of the AGS, the structural performance of the system scaffolding applying the CGS and the AGS was compared and evaluated. The structural analysis of the system scaffold (height: 31 m and width: 27.4 m) with AGS confirmed that structural safety was ensured because the maximum stress of each element of the system scaffolding satisfies the allowable stress of each element. As a result of performance comparison of CGS and AGS for each element, the combined stress ratio of vertical posts in AGS was 6.4% lower than that of CGS. In addition, in the case of ledger and transom, the combined stress ratios of AGS and CGS were almost the same. The compression test of the assembled system scaffolding (three-storied, 1 bay) showed that the AGS had better performance than the CGS by 9.7% (8.91 kN). The cross bracing exceeds the limit on slenderness ratio of codes for structural steel design. But the safety factor for the compressive load of the cross bracing was evaluated as meeting the design criteria by securing 3 or more. In actual experiments, it was confirmed that brace buckling did not occur even though the overall scaffold was buckled. Therefore, in the case of temporary structures, it was proposed to revise the standards for limiting on slenderness ratio of secondary or auxiliary elements to recommendations. This study can be used as basic data for the introduction of AGS for installing guardrails in advance at domestic construction sites.

KCI등재

2국내 산업재해집중수준 확인을 위한 지표분석

저자 : 이봉근 ( Bong Keun Lee ) , 서용윤 ( Yongyoon Suh ) , 장성록 ( Seong Rok Chang )

발행기관 : 한국안전학회(구 한국산업안전학회) 간행물 : 한국안전학회지(구 산업안전학회지) 35권 5호 발행 연도 : 2020 페이지 : pp. 59-65 (7 pages)

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For monitoring the status of industrial accidents, many statistical indexes have been developed and applied such as fatal rate, frequency rate, and severity rate. These accident indexes are measured by frequency and loss time according to the accidents in the individual industry level. However, it is less considered to use the index of identifying the industrial concentration of accidents in the holistic view. Thus, this study aims to suggest the accident concentration level among domestic industries through index analysis. The concentration level of industrial accidents is calculated by the accident composition of sub-industries. This concentration level shows whether an industry is comprised of a few sub-industries generating more accidents or an industry consists of sub-industries having the similar number of accidents. To this end, the concentration rate (CR) and concentration index (CI) are proposed to take a look at the industry composition of accidents by embracing the concept of market concentration indexes such as Hirschman-Herfindahl Index. As for the case study, four industries of mining, manufacturing, transportation, and other business (usually service) are analyzed in terms of indexes of accident rate, death(fatality) rate, and CR and CI of accident and death. Finally, we illustrate the positioning map that the accident concentration level is compared with the traditional accident frequency level among industries.

KCI등재

3교대근무가 근로자의 안전과 건강에 미치는 영향: 일과 삶의 균형(WLB : Work-Life Balance)의 매개효과

저자 : 홍민지 ( Min Jee Hong ) , 오세진 ( Shezeen Oah )

발행기관 : 한국안전학회(구 한국산업안전학회) 간행물 : 한국안전학회지(구 산업안전학회지) 35권 5호 발행 연도 : 2020 페이지 : pp. 66-73 (8 pages)

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The change in labor consciousness began to draw social attention to work-life balance (WLB). The WLB is one of the major factors affecting the health and safety problems of workers. Although shiftwork adversely affects WLB, safety, and health problems of workers, WLB of shift workers has received little empirical attention. The purpose of this study was to examine whether WLB mediates the relationship between shiftwork and shift worker's safety and health problems, participation in leisure activities moderates WLB, and finally, whether WLB moderated by participation in leisure activities mediates the relationship between shift work and shift worker's safety and health problems. For the study, the data of the 5th wave of Korean Working Condition Survey(KWCS) conducted by Korea Occupational Safety and Health Agency(KOSHA) of South Korea was used. Conditional process analysis revealed that the relationship between shift work and worker's safety and health problems is mediated by WLB; however, participation in leisure activity showed no moderation effect on WLB. Therefore, the moderated mediation effect has failed to achieve statistical significance. The results indicate that working environment improvement in consideration of the WLB is needed to gain shift worker's long-term safety and health. The implications of this study and suggestions for future research were discussed.

KCI등재

4현장 조사와 ICT 동향 분석을 통한 스몸비 현황과 개선 방안 연구

저자 : 이동훈 ( Dong Hoon Lee ) , 오혜수 ( Hye Soo Oh ) , 장재민 ( Jae Min Jang ) , 정종운 ( Jong Woon Jeong ) , 양상운 ( Sang Oon Yang )

발행기관 : 한국안전학회(구 한국산업안전학회) 간행물 : 한국안전학회지(구 산업안전학회지) 35권 5호 발행 연도 : 2020 페이지 : pp. 74-85 (12 pages)

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Smart phone zombie or Smombie means pedestrians who walk without attention to their surroundings because they are focused upon their smart phone. Because the traffic accidents and injuries caused by Smombie have been increased rapidly in recent years, the social attention and policies are needed to prevent it. This study was conducted to analyze Smombie's current status and some solutions used before and to propose new improved method through the latest ICT trend. In this study, we did the field survey to check Smombies at several places in Seoul through people counting, and found that a lot of pedestrians still use the smart phone while walking. And we analyzed many case studies about some solutions to prevent Smombies previously. The case studies include legal regulations, government policies, smart phone app services and facilities that are used before. We studied them through internet searches and reference studies and we also checked the current operating situation as visiting several places that the solutions actually has been operated. Therefore, we found there are some limitations in previous solutions in terms of effectiveness and management. To consider new solution that can be expected to overcome the limitations, we analyzed the latest ICT trends focused on features to utilize the Smombie prevention, especially video recognition and digital signage. In these days, video recognition has been developed rapidly with assistance of AI technology and it can recognize the specific pedestrian's characteristics such as holding smart phone as well as hair style, clothes, backpack and etc. On the other hands, the digital signage is the convergence device that includes big display, network connection and various IoT sensors. It can be used as public media in many places for public services as well as advertising. Through these analysis results, we show the requirements and the user scenario for the improved method to prevent Smombie. Finally, we propose to develop R&D technology to recognize Smombie exactly as pedestrian attributes and to spread creative contents to increase pedestrian's interest and engagement for Smombie prevention through digital signage.

KCI등재

5이동식 사다리 추락 재해 예방을 위한 안전 제도의 문제점과 개선 과제

저자 : 황종문 ( Jong Moon Hwang ) , 신성우 ( Sung Woo Shin )

발행기관 : 한국안전학회(구 한국산업안전학회) 간행물 : 한국안전학회지(구 산업안전학회지) 35권 5호 발행 연도 : 2020 페이지 : pp. 86-94 (9 pages)

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Portable ladders are normally used both as an access tool for ascending and descending and as a platform for high place work. Though convenient, such usages make the portable ladders vulnerable to fall accidents. For this reason, many safety systems such as regulations and certifications are implemented to prevent fall accidents of portable ladders. However, nevertheless of those safety systems in Korea, annual death tolls of ladder fall accidents has remained high, and which suggests modification and improvement of the portable ladder related safety systems in Korea. The aim of this study is to propose directions for improving safety systems to effectively prevent fall accidents of portable ladders. To this end, comparative analysis on safety systems implemented in Korea and other countries including Japan, USA and UK are conducted to investigate the problems of Korean safety systems. Based on the analysis, limitations of Korean safety systems to prevent ladder fall accidents are discussed and tasks to overcome the limitations are proposed. Once implemented, the proposed tasks would contribute to prevent ladder fall accidents effectively.

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As one of the useful approaches to enhance safety managers' competencies, this study aims to suggest improvement plans in terms of education in school and on the job for safety managers. Educational needs at schools and job training institutes were surveyed with 321 safety managers in Daejon & Chongju Area. Correspondence with university professors at safety engineering departments via email was also conducted. Collected data were put into the R stochastic program in codified form and quantitatively analyzed through two-dimensional cross-tabulations and a chi-square test. With respect to school education, three academic subjects were examined. Job training was suggested to be conducted as 'training for trainers', which should be more flexible in terms of contents, method, and fees. Periodical investigation of educational needs for safety personnel who are consumers of safety education and training was also proposed.

KCI등재

7재난피해지역 내 지역사회기반 공동체 회복 프로그램 사례 연구

저자 : 이영욱 ( Young Uk Lee ) , 남동엽 ( Dong Yup Nam ) , 정혜민 ( Hye Min Jeong ) , 박상현 ( Sang Hyun Park ) , 이지향 ( Ji Hyang Lee )

발행기관 : 한국안전학회(구 한국산업안전학회) 간행물 : 한국안전학회지(구 산업안전학회지) 35권 5호 발행 연도 : 2020 페이지 : pp. 106-114 (9 pages)

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The two major trends that have emerged in recent years in relation to disaster recovery and recovery are 'regional infrastructure', 'regional leadership' and 'community recovery'. In the former case, it is to avoid disaster recovery and recovery by using external personnel and resources, and to maximize the resources in the area under the initiative of the residents of the affected area. And through this process, it is to prepare a new growth engine for disaster-affected areas. In addition, the latter expands disaster recovery targets to the general population living in affected areas and is not limited to victims. Through this, we can expect to recover the 'community' beyond the individual's recovery. In the Ansan of Gyeonggi-do, where many families of 'Sewolho' live, and in the Heunghae-eup of Pohang, Gyeongbuk-do, where the damage was severe, projects are underway to restore communities. And In these areas local activists and civic groups are actively utilized to efforts are being made to increase efficiency. Nevertheless, in the case of the community recovery program being promoted in Korea, there are limitations that it can be promoted only on the basis of special laws and that participation of various actors is necessary. This study intends to propose the limitations of current projects and ways to solve them by analyzing domestic and foreign cases related to the community recovery program for disaster-affected communities using local resources. we suggest two way. One is the relaxation of the national dependence of the community recovery program, and the other is to expand the area of disaster relief through.

KCI등재

8원자로 이용률 향상을 위한 냉중성자원 시설의 고장모드영향분석 및 정지이력의 원인분석

저자 : 이윤환 ( Yoon-hwan Lee ) , 황정식 ( Jeong Sik Hwang )

발행기관 : 한국안전학회(구 한국산업안전학회) 간행물 : 한국안전학회지(구 산업안전학회지) 35권 5호 발행 연도 : 2020 페이지 : pp. 115-120 (6 pages)

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From 2009 when the CNS facility was installed, the number of reactor failures due to abnormal CNS facility system has increased significantly. Of the total of 19 nuclear reactor shutdowns over the six years from 2009 to 2019, there were 10 nuclear reactor shutdowns associated with the CNS facility, which are very numerous. Therefore, this report intends to analyze the history of nuclear reactor shutdowns due to CNS facility system failure in detail, and to present the root cause and solution to problems. As a result of FMEA implementation of CNS facility system, a total of 76 SPVs were selected. In addition, 10 cases of reactor shutdown history due to CNS facility system abnormalities were analyzed in detailed, and improvement plans for solving the root cause and problem were suggested for each trip history. The results of this study are expected to be able to operate the domestic research reactor and CNS facilities more stably by providing effective measures to prevent recurrence of CNS facilities and reactor trips.

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Since the Fukushima nuclear accident in 2011, the public were concerned about the safety of Nuclear Power Plants (NPPs) in extreme natural disaster situations, such as earthquakes, flooding, heavy rain and tsunami, have been increasing around the world. Accordingly, the Stress Test was conducted in Europe, Japan, Russia, and other countries by reassessing the safety and response capabilities of NPPs in extreme natural disaster situations that exceed the design basis. The extreme natural disaster can put the NPPs in beyond-design-basis conditions such as the loss of the power system and the ultimate heat sink. The behaviors and capabilities of NPPs with losing their essential safety functions should be measured to find and supplement weak areas in hardware, procedures and coping strategies. The Loss of Ultimate Heat Sink (LUHS) accident assumes impairment of the essential service water system accompanying the failure of the component cooling water system. In such conditions, residual heat removal and cooling of safety-relevant components are not possible for a long period of time. It is therefore very important to establish coping strategies considering all available equipment to mitigate the consequence of the LUHS accident and keep the NPPs safe. In this study, thermal hydraulic behavior of the LUHS event was analyzed using RELAP5/Mod3.3 code. We also performed the sensitivity analysis to identify the effects of the operator recovery actions and operation strategy for charging pumps on the results of the LUHS accident.

KCI등재

10고온 시편의 급랭 시 산화철 나노유체가 최소막비등점에 미치는 영향에 대한 실험적 연구

저자 : 정찬석 ( Chan Seok Jeong ) , 황경섭 ( Gyeong Seop Hwang ) , 이치영 ( Chi Young Lee )

발행기관 : 한국안전학회(구 한국산업안전학회) 간행물 : 한국안전학회지(구 산업안전학회지) 35권 5호 발행 연도 : 2020 페이지 : pp. 128-136 (9 pages)

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In the present experimental study, the effect of water-based iron(III) oxide nanofluid on the MFB(Minimum Film Boiling) point during quenching was investigated. As the highly heated test specimen, the cylindrical stainless steel rod was used, and as the test fluids, the water-based iron(III) oxide nanofluids of 0.001 and 0.01 vol% concentrations were prepared with the pure water. To examine the effect of location in the test specimen, the thermocouples were installed at the bottom and middle of wall, and center in the test specimen. Through a series of experiments, the experimental data about the influences of nanofluid concentrations, the number of repeated experiments, and locations in the test specimen on the reaching time to MFB point, MFBT(Minimum Film Boiling Temperature), and MHF(Minimum Heat Flux) were obtained. As a result, with increasing the concentration of nanofluid and the number of repeated experiments, the reaching time to MFB point was reduced, but the MFBT and MHF were increased. In addition, it was found that the effect of water-based iron(III) oxide nanofluid on the MFB point at the bottom of wall in the test specimen was observed to be greater than that at the middle of wall and center. In the present experimental ranges, as compared with the pure water, the water-based iron(III) oxide nanofluid showed that the maximum reduction of reaching time to MFB point was about 53.6%, and the maximum enhancements of MFBT and MHF were about 31.1% and 73.4%, respectively.

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1연안해역에서 석유오염물질의 세균학적 분해에 관한 연구

(2006)홍길동 외 1명심리학41회 피인용

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