• Title/Summary/Keyword: Performance standards

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Efficiency of Energy Performance Improvement by Retrofit in existing Buildings (기존 건축물의 리트로핏에 따른 에너지 성능개선 효과 분석)

  • Kim, Dong-Hee;Moon, Hyunseok
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2016.10a
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    • pp.126-127
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    • 2016
  • The Korean government has developed and strengthened energy related regulations to pursue eco-friendly buildings since 1979. However, required design standards for energy based quantitative studies focused on energy performance in existing buildings are meagered. Therefore in this study, required energy performance by design standards for energy are analyzed. And a energy performance by retrofits for insulation improvement is studied using energy simulations.

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A Basic Study of Legal Standards for Building Health Performance (건축물의 건강성능에 관한 법적 기준의 기초연구)

  • Lee, Hyun-Min;Ryu, Sang-Yeon;Kim, Sun-Kuk
    • KIEAE Journal
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    • v.9 no.6
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    • pp.19-26
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    • 2009
  • In modern architecture, the air-tight construction aimed at saving the energy rather causes ventilation problems and the artificial materials for cost reduction worsen the residential quality. To deal with such negative effect, the study on evaluating the health performance becomes increasingly critical. Among the various factors such as design quality, selected material, construction method and mechanical system that shall be subject to evaluation to identify the health performance of the building, the study was aimed at investigating the legal standards associated with healthy building in various countries. Such evaluation items will provide inputs for an attempt to build legal criteria for a building health performance rating system in Korea.

Durability and Performance Requirements in Canadian Cement and Concrete Standards (캐나다 시멘트 및 콘크리트의 내구성 및 제성능에 대한 규준)

  • Hooton, R.D.
    • Proceedings of the Korea Concrete Institute Conference
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    • 2006.05a
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    • pp.5-21
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    • 2006
  • Traditional standards and specifications for concrete have largely been prescriptive, (or prescription-based), and can sometimes hinder innovation and in particular the use of more environmentally friendly concretes by requiring minimum cement contents and SCM replacement levels. In December 2004, the Canadian CSA A23.1-04 standard was issued which made provisions (a) for high-volume SCM concretes, (b) added new performance requirements for concrete, and (c) clearly outlined the requirements and responsibilities for use in performance-based concrete specifications. Also, in December 2003, the CSA A3000 Hydraulic Cement standard was revised. It (a) reclassified the types of cements based on performance requirements, with both Portland and blended cements meeting the same physical requirements, (b) allows the use of performance testing for assessing sulphate resistance of cementitious materials combinations, (c) includes an Annex D, which allows performance testing of new or non-traditional supplementary cementing materials. From a review of international concrete standards, it was found that one of the main concerns with performance specifications has been the lack of tests, or lack of confidence in existing tests, for judging all relevant performance concerns. Of currently used or available test methods for both fresh, hardened physical, and durability properties, it was found that although there may be no ideal testing solutions, there are a number of practical and useful tests available. Some of these were adopted in CSA A23.1-04, and it is likely that new performance tests will be added in future revisions. Other concerns with performance standards are the different perspectives on the point of testing for performance. Some concrete suppliers may prefer processes for both pre-qualifying the plant, and specific mixtures, followed only with testing only 'end-of-chute' fresh properties on-site. However, owners want to know the in-place performance of the concrete, especially with high-volume SCM concretes where placing and curing are important. Also, the contractor must be aware of, and share the responsibility for handling, constructability, curing, and scheduling issues that influence the in-place concrete properties.

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International Time Comparison by TWSTFT and GPS at KRISS

  • Hwang, Sang-wook;Lee, Chang Bok;Lee, Jong Koo;Lee, Young Kyu;Lee, Sang Jeong;Yang, Sung-hoon
    • Journal of Positioning, Navigation, and Timing
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    • v.5 no.2
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    • pp.67-74
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    • 2016
  • In this paper, time comparison is performed with standardization institution in Japan using a Two-Way Satellite Time and Frequency Transfer (TWSTFT) technique as one of the methods for high precision time comparison. To analyze the performance of time comparison in the TWSTFT method, time comparison results via the Global Positioning System (GPS) code and carrier wave are analyzed. Through the time comparison performance, frequency stability is analyzed using modified Allan deviation and by this result, characteristics of time comparison of the TWSTFT that is utilized in international time comparison are presented.

Motorcycle Inspection Standards Development I (이륜자동차 검사기준 개발 I)

  • Lim, Jaemoon;Ha, Taewoong;Hong, Seungjun
    • Journal of Auto-vehicle Safety Association
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    • v.9 no.4
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    • pp.48-54
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    • 2017
  • This paper presents the motorcycle inspection standards development on the vehicle identification, engine and transmission, tyres and wheels, steering and suspension, and brake system. 187 real-world motorcycles are visually and mechanically inspected according to the developed inspection standards. The non-compliance rate of the vehicle identification is 20.3% and main causes are insecure, damaged, and not clearly visible number plate. The non-compliance rate of the brake system is 15.5% and main cause is failing to meet the brake performance requirements. The motorcycle inspections standards are improved reflecting 187 cases of real-world motorcycle inspection results.

Quantifying Quality: Research Performance Evaluation in Korean Universities

  • Yang, Kiduk;Lee, Hyekyung
    • Journal of Information Science Theory and Practice
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    • v.6 no.3
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    • pp.45-60
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    • 2018
  • Research performance evaluation in Korean universities follows strict guidelines that specify scoring systems for publication venue categories and formulas for co-authorship credit allocation. To find out how the standards differ across universities and how they differ from bibliometric research evaluation measures, this study analyzed 25 standards from major Korean universities and rankings produced by applying standards and bibliometric measures such as publication and citation counts, normalized impact score, and h-index to the publication data of 195 tenure-track professors of library and information science departments in 35 Korean universities. The study also introduced a novel impact score normalization method to refine the methodology from prior studies. The results showed the university standards to be mostly similar to one another but quite different from citation-driven measures, which suggests the standards are not quite successful in quantifying the quality of research as originally intended.

Development of a Techniques of the Performance Test for a Radiation Protection Devices and it's International Standards (방사선 방호용 계측기 성능평가 기술 개발 및 국제 표준)

  • Choi, Kil-Oung;Won, Sung-Ho;Kim, Jung-Ho;Hah, Suck-Ho;Yi, Chul-Young;Kim, Hyun-Moon;Lee, Min-Kee
    • Journal of Radiation Protection and Research
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    • v.33 no.1
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    • pp.1-12
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    • 2008
  • International Standardization in all technical area is gaining its momentum as its impact and implication over global trade is directly linked. The worldwide competition to secure a dominant position in the standardization process is ever growing over the years. In 2005, the International Technical Committee on Nuclear Instrumentation, which is a subunit of International Electro-technical Commission (IEC), was held in Korea under the auspices of MOST (Ministry of Science and Technology). Korea has adopted its Rule and Regulation as the National Standard. As a part of a link to National Mid-and Long-term Atomic Energy R&D Program of MOST, the technical development of a performance test for the radiation monitors was carried out under mechanical environment and electromagnetic immunity conditions. The characteristics of the radiation fields were also evaluated under the conditions and introduced to a techniques of performance test for the radiation protection instrumentation adopted IEC61526 standards and it's results was analyzed. We would like to share the experience gained in these efforts, failure as well as success, and to discuss the problems encountered and serious consideration to be taken into account in the future endeavor.

A Study of Inspection Module for Verifying Reliability on Railway Vehicle (철도차량 검측모듈의 신뢰성 검증 시험 연구)

  • Na, Kyung-min;Park, Young;Kwon, Sam-young
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.66 no.7
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    • pp.1155-1161
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    • 2017
  • This study examines environmental performance of the arcing measurement module according to international standards. The module assesses the collected current performance using a computer system. The module is required to assess environmental impact resulting from electromagnetic waves, shock and temperature change during train operation. The test includes testing EMI/EMC, vibration, shock and temperature cycling for interface between trains and the arcing measurement module. The module test items were determined in compliance with the standards suggested by the International Electrotechnical Commission (IEC) and Europaische Norm (EN). This study describes the method of test, test equipment operation and how to choose relevant performance standards. The analysis and test results of environmental performance for the module based on computer system are described in this study.

Development of Quality Management Standards and Evaluation Tool for the Quality Improvement of Hospital Food and Nutrition Services (병원 급식.영양 서비스 향상을 위한 질 관리 기준 및 질 평가 도구의 개발)

  • 이소정
    • Journal of Nutrition and Health
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    • v.33 no.5
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    • pp.548-555
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    • 2000
  • The purpose of this study were to : a) establish quality managements standards and performance indicators in order to define the concept of the hospital food and nutrition services, b) develop a self evaluation tool for quality management applicable to dietetic department's CQI program on the basis of the estabilished quality management standers, c) investigate the factual quality of hospital food and nutrition services throught the result of the application study of the quality management tool and the perceived quality by the patients servery, and d) verify the validity of the quality management tool through analysing the correlation between the factual quality and the preceived quality. The quality management standards were classifie dinto 3 parts, 'Nutrition Care', 'Foodservice Operation', and 'Management Function'. There consisted of 72 quality management standards and 293 performance indicators. The developed quality evaluation tool using 5-Likert scale was performance at 45 general hospitals over 400 beds in Seoul and Kyungki-do. Also, 1,573 patients in 42 hospitals were participated in the patient survey. The result of quality evaluation tool application study showed that 17 standards were relatively high(more than 4.5) and 22 relatively low(less than 4.0) in score. The categorical mean scores of $\ulcorner$Nutrition Care$\lrcorner$, $\ulcorner$Foodservice Operation$\lrcorner$and $\ulcorner$Management Function$\lrcorner$ were respectively 60.7, 162.8, and 73.5 Each mean score was conversed to 81.0, 83.5, and 81.7 on the basis of 100 point scale, but the range of score was very wide between hospitals. The Cronbach's $\alpha$ was more than 0.6 in 59 quality management standards, this result verified reliability of the quality management tool was proved. The factual quality showed positive correlation with the perceived quality. Therefore, this result verified the criterion validity of the quality management tool.

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