• Title/Summary/Keyword: temporary system

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A Study on Accident Prevention Measures for Temporary Gondolas through Bow-Tie Approach (Bow-Tie 기반 가설식 곤돌라 사고 예방 대책에 관한 연구)

  • Kong, Joon Seong;Kee, Jung Hun;Park, Jong Yil
    • Journal of the Korean Society of Safety
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    • v.35 no.4
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    • pp.48-55
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    • 2020
  • The use of temporary Gondola has been steadily increasing. The temporary Gondola is required to get a safety certification review during installation and to be inspected during use within every six months. Most of them, however, are dismantled before six months, and inappropriate activities are conducted frequently for shorter working hours and convenience of work. In this study, the characteristics of the temporary Gondola and the domestic accident cases that occurred over the past 10 years(2008-2017) are analyzed for the type of accident, the state of the accident by year, and the actions of the workers in the event of an accident. Also comprehensive accident reduction measures were proposed by identifying the fundamental causes of temporary Gondola accidents, problems of existing preventive measures, and system defects by utilizing Bow-Tie techniques.

Ensuring safety of temporary structures through on-site real-time structural analysis Construction Sites (가설구조물 구조검토의 실시간 현장 반영을 통한 안전성 확보)

  • Mo, Seung-Un;Moon, Seong Oh
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2022.11a
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    • pp.19-20
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    • 2022
  • Based on the survey analysis of safety accidents at construction sites that occur every year, most of them are caused by temporary structures. While analyzing in detail, it is confirmed that the main factors for such accidents are the quality problem of temporary equipment, unstable construction, and arbitrary change. As temporary structure is installed only for the construction of main structure, the reality is that no attention is paid to the construction of temporary structures.

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A Study on the Employment Circumstances and Employment Status of Temporary Librarians (비정규직 사서의 근무환경 및 고용실태에 대한 연구)

  • Noh, Younghee;Ahn, In-Ja;Oh, Se-Hoon
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.24 no.4
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    • pp.259-280
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    • 2013
  • There has been a dramatic increase in the proportion of temporary employees in LIS fields, due to current trends of restructuring, automation, complete personnel systems, and complete wage systems. This research, therefore, conducted a survey exploring the current status and working environment of the temporary posts in LIS fields, in order to understand and direct the employment prospects of potential librarians. Results show that the average working period of more than half of temporary librarians are between 1-3 years. The total working period as a temporary librarian, including former experiences in their career, were evenly distributed between 1-5 years. Among those, being temporary often persisted, as 32% of temporary librarians stayed in their temporary status for more than 5 years. Second, temporary librarians perceived themselves as working the same hours as regular librarians, having independent or assistant tasks to regular librarians, and having a neutral or larger amount of tasks than regular librarians. Third, temporary librarians are employed and contracted from the work place, generally having contracts of less than 2 years or an open contract, which shows a serious level of job instability. Therefore, we should consider the following: proper remuneration for work of equal value, professional contractors, the supplementation of the total wage system and the number of public employees in the system as well as changing temporary positions to permanent positions and so on.

A Study on the Evaluation of the Availability of Sign System in Temporary Space -Focused on COVID-19 Vaccination Spaces- (임시공간의 사인 시스템 가용성 평가에 관한 연구 -COVID-19 백신 접종 공간을 중심으로-)

  • Li, Yi-Han;Zhang, Hui
    • Journal of Digital Convergence
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    • v.20 no.5
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    • pp.323-329
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    • 2022
  • In this study, users of the display system designed for the conference hall were evaluated as an example of a temporary space marking system for vaccination at a COVID-19 vaccination center in Chuncheon, Gangwon Province.Unlike ordinary space, temporary space display systems organize space on a limited schedule, so it is necessary to properly place and communicate information about space and processes in the display design to users. Therefore, a paper description manual, a wall display panel, and a floor path tape were provided and deployed to users of the inoculation session. The results of user evaluations show that for specific users over 60 years of age, a file (information display system) that conveys the overall information about the space and process is effective for vaccination. This result is expected to serve as a reference to how and how the display system will be installed in a temporary space in the future.

Use of the Temporary Immersion Bioreactor System for Mass Production of Eucalyptus pellita Plus Tree (간헐적 침지 방식의 생물반응기 시스템을 이용한 유칼리 선발목 클론 대량증식)

  • Kim, Seon-Ja;Park, So-Young;Moon, Heung-Kyu;Lee, Wi-Young
    • Journal of Korean Society of Forest Science
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    • v.99 no.1
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    • pp.125-130
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    • 2010
  • The application of bioreactor culture techniques for plant micropropagation is regarded as one of the ways to reduce production cost by scaling-up and automation. In an attempt to optimize mass proliferation systems in Eucalyptus pellita, four types of bioreator systems including temporary immersion system with or without net were tested. Highest growth was achieved with 30-min flushes of medium at every 4-h intervals in TIN (temporary immersion with net) system. Results indicate over three-fold increase in shoot growth with the TIN system when compared with TIX (control: temporary immersion without net) system which is without net in bioreactor. Furthermore, plants produced from the TIN system increased total chlorophyll content, chlorophyll a/b and dry matter, giving higher yields of acclimatized plants. Our findings suggest that plantlet growth increases with appropriate exposure to media at correct intervals, as well as use of net for maintaining aerobic condition in the vessels. The TIN system thus has great potential for in vitro mass production of Eucalyptus clones commercially.

A Design and Development of a Temporary Housing System Based on BIM in Advance of Disasters (BIM 기반 재난 대비 임시주거시설 설계 시스템 개발에 관한 연구)

  • Yoon, Seung-Hyun;Choi, Jin-Won;Cho, Su-Yeon
    • Journal of the Korean housing association
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    • v.24 no.1
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    • pp.69-78
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    • 2013
  • Recently, due to the casualties and property damage caused by disasters, it became important to evacuate the victims to a safe place and come up with a space for them to inhabit for a certain period of time. Therefore, this study aims to design and develop a temporary housing system that would quickly provide a safe and comfortable living space until the displaced persons can return to a normal life again when a disaster occurs. As a result, a system of a BIM-based modular housing, a modular town through automatic placement, and a method to calculate the capacity and the total cost was developed. As this system provides the temporary housing facilities and the site in 3D, it can be utilized as a training material on a normal basis, as well as the first case material for rapid decision making when there is a disaster.

A study on the Remote Control System for Measuring Gradient of temporary earth retaining structure (흙막이 가시설 구조물의 무선원격계측관리시스템에 관한 연구)

  • Woo, Jong-Yeol;Hong, Seong-Wook;Kim, Sang-Won;Seo, Yong-Chil;Shin, Chan-Ho
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2011.05b
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    • pp.49-52
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    • 2011
  • This study concerned with the retention structures or inverted temporary building for displacement measurement in the underground soil after drilling a vertical tilt sensor attached to the vertical distance required to maintain a real-time measurement and management in order to install the wireless measuring devices installed in the field through remote control and management program for the safety of retaining structures temporary building be found on the internet in real time temporary building the retention is to develop a safety management system. And based on this technology to monitor the future status of the various structures possible to add a variety of sensors and Life Cycle Prediction of the structure and needs to evolve into intelligent systems and wireless networks using wireless communications infrastructure systems based on expanding domestic market penetration by developing instrumentation pioneer in overseas markets as well as the activation can also be judged.

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The Development and Application of KOESWall System (분리형 보강토 옹벽의 개발 및 적용사례)

  • 김영윤
    • Proceedings of the Korean Geotechical Society Conference
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    • 2001.10a
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    • pp.323-328
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    • 2001
  • In the ordinary reinforced earth wall, which was constructed by incremental construction method, the horizontal deformation of the facing due to the compaction induced horizontal earth pressure was unavoidable. Thus the KOESWall system which are adopted the isolated construction method was developed by I&S Eng. Co., Ltd. in 1999. Due to its systematical feature, KOESWall system is able to minimizes the horizontal deformation of reinforced wall effectively and it can be used as temporary structures more economically without the lacing block. In this report, it is shown that the concept and case histories of KOESWall system as a retaining structures.

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Survey and Improvement Scheme for Safety Certification System of Temporary Equipment and Materials (가설기자재 관련 안전인증제도 실태조사 및 개선방안)

  • Won, Bang-Hee;Yoon, Kyeong-Won;Jeon, Sang-Soo
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.17 no.7
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    • pp.92-102
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    • 2016
  • In this study, the systems and standards for temporary equipment and materials established in domestic and foreign countries are examined to provide improvement schemes and to insure their safety. Statistical analyses of the data obtained from the internet and/or field visit surveys of employees working in manufacturing, leasing, and construction companies related to temporary equipment and materials and improvement schemes were conducted to evaluate the implementation of a safety certification system for currently used temporary equipment and materials. This safety certification system has been enforced since 2009, but the number of accidents at construction sites, which are reported by the 'serious accident cases and measures in construction sites' group of the Korea Occupational Safety & Health Agency (KOSHA), has increased. The respondents' answers regarding the suitability of the items, which are required for the safety certification of the equipment and materials, were 'yes (36%)', 'no (30%)', and 'unknown (35%)'. Less than half of the answers regarding the current system were positive and most of the respondents answered that the current system does not reflect the evolution of the construction environment. A system is needed to approve items certified in foreign countries and newly developed materials and items, in addition to the (automatic) registration for the reuse of temporary equipment and materials, and improvements are needed in their safety. In this study, after examining the size and practicability of the items requiring approval from the current system, the certification methods are reevaluated and improvement schemes are provided for the system.