• Title/Summary/Keyword: Certification standard

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Analysis of the Correlation between the Thickness of Support Pin of Pipe Support and the Compressive Load (파이프 서포트의 지지핀 두께와 압축하중의 상관관계 분석)

  • Choi, Myeong Ki;Park, Jongkeun
    • Journal of the Korean Society of Safety
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    • v.37 no.4
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    • pp.36-43
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    • 2022
  • Generally, in construction sites, the pipe support installation workers often use support pins of 9~10 mm which are much smaller than the safety standard sizes for work convenience. Although the safety certification standard thickness of the support pins is 11 mm, and the supervisors are often indifferent to this. Hence, products with far lower performance than the pipe support safety certification value of 40,000 N, which is applied in the supporting post-structural review, are used. Accordingly, this acts as a factor causing collapse accidents in the process of pouring concrete at the construction site. Therefore, this study performed compression experiments on new and reused pipe supports to determine how the thickness of the support pins affects the structural compression performance of the pipe support by considering the thickness of the support pins as a critical variable among various factors affecting the pipe support performance. In the course of the study, the compression test of the pipe support (V2, V4) for the new products showed that only 14 (58.3%) of the total 24 samples satisfied the safety certification standard value of 40,000 N, which indicates that more thorough quality control is required in the manufacturing process. Additionally, comparing the thickness of the support pins and their fracture shape shows that the pipes with support length of 4.0 m or longer are much more affected by the buckling of the entire length than the thickness of the support pins. Of the several factors affecting the performance of reused pipe supports, it was found that, similar to the new products, the use of support pins, with thickness of 12 mm rather than 11 mm, can satisfy the safety certification value more appropriately. Therefore, regardless of the state of usage, it could be concluded that it is necessary to use 12 mm products, whose thickness is larger than that of the safety certification standard value of 11 mm, to improve the performance of the pipe supports.

Analysis of the Correlation between Armament/Store Integration Criteria and Aircraft Launch Missile Development Process (무장/장착물 통합 기준과 항공기 발사 순항 유도무기 개발 프로세스의 상관성 분석)

  • Choi, Seok-min;Lee, Jong-hong;Kim, Ji-min;Lee, Seoung-pil;Jung, Jae-won
    • Journal of Advanced Navigation Technology
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    • v.22 no.2
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    • pp.84-89
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    • 2018
  • Due to the development of domestic technology, a variety of aircraft launch weapons have been developed, and the importance of aircraft-store integration certification is increasing. The aircraft-Store integration certification is to certify compliance with the armaments/stores integration criteria set out in the Standard ACC and to prove that there is no problem with the safety flight. Therefore, it is necessary to reflect the requirements of the aircraft in the store development process to reduce the design change requirement in the compatibility verification stage. In this paper, the relationship between the Standards ACC, aircraft-store compatibility reference document MIL-HDBK-1763, and the development process of cruise guided weapons have been analyzed. As a result of the analysis, it was concluded that the design changes in the aircraft-store integration certification stage could be reduced if the aerodynamic and structural design requirements were reflected from the conceptual design stage.

A Study on the Correlation of Certification system for the Green Building in Korea (국내 친환경건축물관련 인증제도의 연관성에 관한 연구)

  • Moon, Mi-Seon;Jung, Ji-Na;Ka, Cham-Hee;Lee, Jin-Sook;Tae, Choon-Seob
    • 한국태양에너지학회:학술대회논문집
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    • 2011.04a
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    • pp.263-268
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    • 2011
  • Presently, various building certification systems are being enforced in Korea. However, people are in confusion and have an aptitude to waste time and money because these certification systems for buildings have very similar criteria. After investigating the foreign certification systems and domestic certification systems for the building, it is required that some of similar building certification systems are integrated.

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A Study on the Improvement of KC Certification Scheme of Electrical Appliances for Global Competence (글로벌 경쟁력 강화를 위한 전기용품 안전인증제도(KC) 개선에 관한 연구)

  • Kwon, Jin-Wook;Hwang, Myung-Whan
    • Journal of the Korea Safety Management & Science
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    • v.19 no.3
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    • pp.27-33
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    • 2017
  • Electrical product safety certification is for public safety. Korea electrical safety certification (KC) is being tested and certified on the base of Korean electrical appliance safety act and KC scheme. There are operating system and Electrical safety standards in the KC scheme. KC' operating system was adapted from japan operating system of Japan certification scheme. But KC certification' electrical safety standard was adapted from IEC standards of IECEE CB scheme. So There are many problems such as difference of version between KC standards and IEC standards, discrepancy between operating system and standards. Therefore, This paper analyzed the reason of discrepancy and proposed the improved KC certification operating system in order to reduce cost and to save time in the procedure of issuing KC approval for public safety in using electrical products and also for global competence.

A Study on Strategies for Obtaining Certification in the Revised Assessment Standards on Intelligent Building Certification System - Focused on Assessment Standards for Office Building Projects - (국내 지능형건축물 인증제도 평가기준의 개정에 따른 인증전략에 관한 연구 - 업무시설 인증기준 중심으로 -)

  • Choi, Yeo-Jin;Lhee, Sang-Choon
    • KIEAE Journal
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    • v.12 no.3
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    • pp.77-82
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    • 2012
  • With developments of architectural and information technologies at the knowledge-information oriented society in the 21st century, there are the needs on intelligent buildings equipped with advanced systems to integrate both technologies. The intelligent building means a smart building which provides comfortable environments, realizes fast and speed information and telecommunication network services, and maximizes work productivities by adopting various systems suitable to uses, sizes, and functions of buildings. In order to meet these needs of the times, the domestic intelligent building certification system has been enforced in 2006. Recently, the intelligent building certification system was newly revised for revitalizing the spread of intelligent buildings. Thus, this paper investigates rating criteria and assessment standards of the new certification system focused on office building projects and suggests strategies for obtaining certifications by analyzing cases which were certified on the previous version of the system.

Analysis of the Librarian Certification System in Korea and Measures for Improvement

  • Yoon, Hee-Yoon;Kim, Sin-Young
    • International Journal of Knowledge Content Development & Technology
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    • v.11 no.3
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    • pp.45-62
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    • 2021
  • Half a century has passed since the academic field of library and information science, which was born at the end of the 19th Century in the Western world, was introduced to Korea. Despite years of quantitative growth and qualitative maturation, the field has been facing the inconvenient truths of discrepancies in education levels arising from varying education providers, and weakened public confidence in librarian certification. Based on analysis of librarian training and education programs and the certification system, this research seeks to point out the limitations of the national librarian certification system, which is losing public confidence, and present a model for improvement. Library and information science education has expanded from universities to the academy of librarian education and lifelong education centers, and the librarian certification system has emerged as a target of reform. This research presents measures to improve the librarian certification system to government bodies and the Committee on Library and Information Policy with the purpose of providing grounds for policy enforcement.

A Study on the Pilot Qualification and Qualification System Establishment of The Aerospace Composite Materials

  • Yong Man Yang;Sung In Cho;Seok Ho Jeong;Je-Jun Kim;Manseok Oh;Young Hwan Kim
    • International Journal of Aerospace System Engineering
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    • v.10 no.1
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    • pp.14-24
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    • 2023
  • The materials applied to the aircraft fuselage, parts, and components must be verified by relative authorities in accordance with the procedures set by the airworthiness authority to achieve the aircraft type certification. There are no examples of domestic composite materials which were verified in order to be applied to aircraft structure. In this study, the composite material certification system of NCAMP, an American composite material standard certification organization, was reviewed and used as the fundamentals of the first aerospace composite material certification system in ROK(Fig 2,8). Also updated material certification documents were developed and confirmed by material certification engineers and inspectors. This aerospace composite material qualification system is intended to modernize the material certification system for AAM(Advanced Air Mobility) as well as aircraft and to enhance the understanding of related technicians and inspectors.

An Empirical Study on the Effect of International Standard Certification Execution and CRM Satisfaction on Business Performance in B2B Transaction (B2B거래에서 국제표준인증 실행과 CRM만족도가 사업성과에 미치는 영향에 대한 실증적 연구)

  • Kim, Chang-Bong;Park, Sang-An;Jung, Jin-Young
    • Korea Trade Review
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    • v.42 no.2
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    • pp.319-344
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    • 2017
  • The international standard certification evaluates the extend to which the supplier satisfies the international standard certification standards of the supplier of the product and the service, recognizes the quality assurance ability and reliability of the supplier, thereby resolving the international trade regulation that can occur to various fields and strengthening the network of the global partnership it is making an important contribution. Therefor, in this study, the survey was conducted on 153 companies of Korean import and export companies. The research method was empirically analyzed by the structural equation model. The results of the hypothesis test of this study are as follows. First, resource management factors among the international standard certification factors in the global trade supply chain integration had a positive effects on CRM satisfaction. Second, the measurement, analysis and improvement factors of international standard certification factors had a positive effects on CRM satisfaction. Third, CRM satisfaction has a positive effects on business performance. Through this study, it is concluded that the Korean import and export companies have an important role in improving the business performance of the global trade partners.

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A study on the status and applicability of Korean medicine EMR for establishment of Korean medicine standard EMR certification criteria: Through surveys of Korean medical institutions and Korean medicine EMR companies

  • You Jin Heo;Cham Kyul Lee;Soo Min Ryu;Jung Won Byun;Jeong Du Roh;Na Young Jo;Byung Kwan Seo;Yeon Cheol Park;Yong Hyeon Baek;Jung Hyun Kim;Sun Mi Choi;Young Heum Yoon;Eun Yong Lee
    • The Journal of Korean Medicine
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    • v.44 no.4
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    • pp.150-162
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    • 2023
  • Objectives: The aim of this study is to explore and investigate the status of EMR currently used in Korean medical institutions and the suitability of the existing certification criteria for Korean medicine EMR certification. Methods: The survey was conducted using a related questionnaire from September to October 2022. The survey for current status and the suitability of the existing certification criteria was conducted separately between Korean medical institutions and Korean medicine EMR companies. Results: In a survey of Korean medical institutions on the current status of EMR, more than 80% answered that the imaging system and Korean medicine EMR could be linked. Most medical institutions did not exchange clinical information between institutions. When asked about the intention to develop standard EMR of Korean medicine in the future, 57% of institutions answered 'yes'. In future, if Korean medicine EMR certification criteria are developed, all EMR companies are willing to develop the EMR that satisfy them. Looking at the satisfaction survey of the existing EMR certification criteria of the Korean medicine EMR system, it was found that high/low satisfaction was shown in various areas, and in particular, the overall clinical information exchange function was insufficient. Conclusion: In order to introduce the Korean medicine EMR certification criteria, it must be considered of the current status of EMR and applicability of Korean medicine EMR for establishment of Korean medicine standard EMR certification criteria. By developing Korean medicine EMR certification criteria, high-quality medical services can be provided to medical consumers who want Korean medical treatment.

Comparison of Airworthiness Certification System between Korea and U.S. (국내 항공인증과 미국 인증체계의 비교)

  • Hong, Deok-Kon;Yee, Kwan-Jung
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.36 no.3
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    • pp.298-305
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    • 2008
  • From design to serial production, aircraft should go thorough complicated certification procedure from airworthiness authority such as Type Certificate, Production Certificate and Certificate of Airworthiness. On the other hand, aircraft components are mandated to receive Technical Standard Order Approval and Production Manufacture Approval before commercial use. As domestic aircraft and LRUs are currently under development, Bilateral Aviation Safety Agreement is promoted for the purpose of increasing aviation safety as well as foreign export. This paper describes the basic aircraft certification procedure and compares the difference in the certification system of US and Korea. Thorough this, it is attempted to suggest a requirements for establishing international certification system.