• 대한지역사회영양학회지
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• 제8권3호
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• pp.319-326
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• 2003

The purposes of this study were: a) to develop the a quality measurement tool for the contract-managed hospital foodservice, and b) to evaluate their performance with the developed quality measurement tool, and c) to verify the reliability and validity of the quality measurement tool. The developed quality measurement tool comprised two parts, which were foodservice management and medical nutrition care service. The foodservice management part was classified into six functional categories which were Menu, Procurement and Storage, Production and Distribution, Facility and Utility, Sanitation and Safety, and Management and Evaluation. The medical nutrition care service part indicated the medical nutrition care provided. Quality measurement tool had 91 standards and 324 indicators. The quality measurement tools were distributed to the hospital foodservice manager employed by the foodservice company. The 324 indicators were measured by foodservice manager on the 5-Likert-type scales, and then adapted to a 100 point scale. The SPSS Ver. 11.0 was used for statistical analysis. The categories whose scores were evaluated as being high were Procurement', General Sanitation', Personal sanitation' and Waste' and the categories whose scores were evaluated as being low were Diet Order Manual', Standard Recipe', Appropriateness (Facility and Utility)', Check (Facility and Utility)'and Information Management'. All the categories of medical nutrition service were evaluated as having seriously low scores. Therefore, it was necessary for the contract-managed hospital foodservice to improve its performance in the area of medical nutrition care service. For the verification of the developed quality measurement tool, the reliability obtained by calculating Cronbach's α was 0.8747, and the content validity was also proved by scrutiny of the modification of the Professional group's techniques. (Korean J Community Nutrition 8(3) : 319∼326, 2003)

• 한국조경학회지
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• 제50권2호
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• pp.89-101
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• 2022

본 연구는 중국 대리시의 근린공원인 얼허공원(洱河公園)을 대상으로 공원 내 환경요소들이 노인의 만족도에 미치는 영향 요인을 도출하고 만족도를 분석하여 개선 방안을 제안하고자 한다. 먼저 노인을 대상으로 한 공원 및 외부 공간의 환경 평가와 관련된 선행연구를 통해 평가 지표를 선정하였으며, 설문조사와 요인분석을 실시하여 영향 요인을 도출하였다. 다음으로 노인들의 만족도를 알아보기 위해 퍼지 종합 평가를 실시하였으며, 개선 방안을 제시하기 위한 중요도와 성취도분석(IPA) 을 수행하였다. 연구 결과를 살펴보면, 요인분석을 통해 공원 환경요소들을 시설적합성 및 쾌적성, 이용편의성 및 안전성, 자연쾌적성, 도로편의성 4가지로 유형화하였다. 이를 바탕으로 얼허공원 환경요소에 대한 전체 만족도 등급은 만족과 보통 사이로, 자연쾌적성의 등급은 만족이고 시설적합성 및 쾌적성, 이용편의성 및 안전성의 등급은 보통으로, 도로편의성의 등급은 만족에 가깝게 나타났다. IPA 분석 결과 중요도는 높지만 만족도가 낮아 중점 개선이 필요한 항목은 휴게시설의 적절성, 편익시설의 적절성, 시설의 관리 상태, 진입의 안전성, 조명시설로 분석되었다. 본 연구의 결과는 향후 노인 친화형 공원을 신설하거나 재정비할 때 활용 가능한 기초자료를 제공하여 만족도를 높이고자 하는데 의의가 있다.

• 한국구조물진단유지관리공학회 논문집
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• 제27권6호
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• pp.79-85
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• 2023

미끄럼방지포장은 도로의 부속물로서 도로 및 교통 특성으로 인해 미끄럼저항을 충분히 확보하지 못한 곳이나 도로선형의 변화가 심한 구간에서 포장의 미끄럼저항을 높여 자동차의 안전한 주행을 도모하기 위한 시설이라고 명시하고 있다. 특히, 눈, 비, 블랙아이스와 같은 기상 악천후 상황에서 미끄럼방지포장의 미끄럼저항성능은 도로교통 및 운전자의 안전에 큰 영향을 미친다. 하지만 현재 미끄럼저항성능을 측정하는 데 주로 사용되는 BPN은 시험 면적이 0.009 m²에 불과하여 전체 포장면에 대한 대표성을 나타내기 어렵기 때문에 미끄럼방지포장 유지관리를 위한 신뢰성 있는 미끄럼저항성능 평가방법이 필요한 실정이다. 본 연구에서는 지침 및 표준 조사를 통하여 BPN, SN, GN 시험의 미끄럼저항 성능평가 방법을 비교하고 현장 미끄럼저항 성능평가에 적용하고자 하였다. 또한, 미끄럼방지포장의 체계적인 유지관리를 위하여 미끄럼방지포장재 미끄럼저항 성능평가 Test-bed 및 실도로 실증 현장에 미끄럼저항성능이 다른 미끄럼방지포장을 설치하여 성능평가방법(BPN, SN, GN)별 미끄럼저항성능을 비교하였다. 실험결과, SN과 GN은 미끄럼저항성능이 비슷한 경향으로 나타났으며, GN은 BPN × 0.01 과 유사하게 도출되었다.

• 한국생활과학회지
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• 제17권6호
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• pp.1167-1180
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• 2008

The purpose of this study was to take the gauge of the importance-performance of the clothing store attribute in the department store. The survey was administered to customers of department stores in Deajeon city and frequency analysis, factor analysis, reliability analysis, and importance-performance analysis were used to analyze the data of 37 clothing store attributes. The findings of this study were as bellows: 1. 8 factors were distracted from 37 clothing store attributes by factor analysis (Factor 1: goods, Factor 2; store's facility and environment, Factor 3; salesman and service, Factor 4; brand, Factor 5; price, Factor 6; store's atmosphere, Factor 7; convenience of the transportation and access, Factor 8; promotion and advertisement) 2. as results of importance-performance analysis, 10 attributes were shown in area I (high importance and high performance) which needed a strategy of Keep Up the Good Work, 6 attributes in area II (low importance but high performance) fitted a strategy of Possible Overkill, 12 attributes in area III (high importance but low performance) corresponded to a strategy of Concentrate Here, and finally a strategy of Low Priority was needed to 9 attributes in area IV (low importance and low performance).

• 한국건설관리학회논문집
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• 제7권4호
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• pp.177-183
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• 2006

Risk-based estimation has been successfully introduced into the construction industry. By incorporating historical data associated with probability analysis, risk-based estimate is an effective decision support aid in considering whether to launch a particular project. The industry challenges, however, especially related with management issues, such as labor shortage, wage growth, and supply chain complexity, have often resulted in poor cost performance. The insufficient assessing the project characteristics (i.e., resource availability, project complexity, and project delivery method) can be the main reasons in the poor cost performance. Because the accuracy level of cost performance prediction can be enhanced by extensive evaluation of the subject project characteristics, a new approach for predicting cost performance in an earlier stage of a project can improve the Industry substantiality, in other words, value maximization. The purpose of this paper is to develop a new methodology in developing a risk-based estimate tool by incorporating extensive project characteristics. To do this, an extensive industry survey was conducted from both private and public sectors in building industry in Korea. In addition, significant project characteristics were identified in terms of cost performance indicator. Although the data collection is limited to Korean industry the suggested approach provides the industry with a straightforward methodology in risk management. As many researchers maintained that front-end planning efforts are crucial in achieving the successful outcome in building projects, the new method for risk-based estimation can Improve the cost performance as well as enhance the fulfillment in terms of business sustainability.

• 한국건설관리학회논문집
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• 제17권2호
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• pp.80-89
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• 2016

최근 인프라 투자는 신규 건설 중심에서 기 시공된 시설의 효율적인 운영과 유지관리로 패러다임이 전환되고 있다. 이와 함께 시설물 노후화에 따른 안전에 대한 국민적 관심이 증폭되고 있다. 본 연구에서는 한국시설안전공단의 시설물관리종합정보시스템에 등록되어 있는 1994년부터 2014년까지의 시설물 유지관리 관련 데이터를 바탕으로 점검진단지수와 보수보강지수 등의 정량적 분석 방법론을 적용하여 유지관리 활동의 성과를 평가하였다. 또한 과거에 비해 현재 시설물의 안전도가 어느 정도 향상되었는지 안전등급 데이터를 토대로 분석을 실시하였다. 분석 결과 우리나라 시설물의 안전성은 과거 대비 크게 향상된 것으로 나타났으며 안전성이 향상된 요인으로는 정기적인 안전점검과 그에 따른 보수 보강 활동의 결과로 추정해 볼 수 있다. 본 연구를 통해 도출 된 결과는 향후 시설물의 유지관리 정책 및 전략 수립에서 기초적 자료로 활용이 가능할 것으로 판단된다.

• 대한조선학회논문집
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• 제59권5호
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• pp.280-287
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• 2022

An open rack vaporizer is a facility that vaporizes liquefied natural gas using sea water. When a vaporization efficiency of the open rack vaporizer decreases, liquefied natural gas can leak, which can cause great damage to the facility. Operators have to monitor the operation state of the facility in real-time to prevent the accident. However, operators have visited the site and have checked the state by looking at the value of sensors installed in the open rack vaporizer through indicators. For the safe operation of the open rack vaporizer, a monitoring system is needed to monitor the operation state of the open rack vaporizer in real-time without the need for operators to visit the site. In this paper, we developed a long term evolution based monitoring system to monitor the operation state of the open rack vaporizer. The developed system can monitor the real-time operation state of the open rack vaporizer at a control center far from the facility. For the system development, data transmission infrastructure using long term evolution was built. Afterwards a software was developed to monitor the operation state of the open rack vaporizer in real-time using the transmitted data. Finally, performance evaluation was conducted to confirm that the developed system operated successfully without data transmission delay or data missing.

• 한국조명전기설비학회:학술대회논문집
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• 한국조명전기설비학회 2004년도 춘계학술대회 논문집
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• pp.81-85
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• 2004

This paper describes the testing facility to demonstrate the performance of the distribution class circuit breakers and switchgears and the testing methods. The field-test evaluation system consists of two parts. One is the distribution system for simulation of the condition on interruption mode of switches which are installed in the system and tested by the AFG(Artificial Fault Generator) and the thunderbolt generator just like in the real field. The other is a laboratory for confirmation or the important characteristics regarding to the insulation, gas, environment durability of equipment. For the fatal failure mode, a FMEA(Failure Modes and Effects Analysis) technique which is a kind of a structural analysis to consider a counter-plan was emploved.

• 한국항공우주학회지
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• 제30권5호
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• pp.118-126
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• 2002

한국항공우주연구원은 추력 3,000 lbf급 고공환경 시험설비인 Altitude Engine Test Facility(AETF)를 갖추고 소형 가스터빈엔진의 고공환경 성능시험에 활용하고 있다. AETF를 국제수준으로 발진시키기 위하여 측정정화도 및 신뢰도 향상을 위한 일련의 연구를 진행하고 있으며 측정불확도 개선을 위한 설비 개선이 일부 진행된 상태이다. 본 연구에서는 해면고도(sea level), 마하수(Mn) 0.3, 0.5, 0.7, 0.9일 때 단축(single spool) 터보제트 엔진에 대한 정상상태 성능시험을 수행하였고, 이를 성능 예측 프로그램(DECK)과 비교분석하였다. 가스터빈엔진의 주요 성능변수인 공기유량, 추력, 비연료소모율에 대하여 측정불확도를 분석하여 총기유랑은 0.791~0.914%, 순추력은 0.851~1.706%의 불확도를 나타내었고 연료 유량의 측정불확도는 1.372~7.348%, 비연료소모율의 측정불확도는 1.642~5.205%로 산정되었다. 또한 본 연구를 통하여 측정불확도 개선 방안이 확인되었다.

• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2002년도 학술.기술논문발표회
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• pp.43-48
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• 2002

Since the basement building like the communication hole and etc. is built under the ground where it is pressed by the water, the leakage happens due to the dried-shrinking crack, the sinking crack, the creation of the work-joint of the building and etc. caused by the character of the material and construction way of the reinforced concrete building. Especially, a lot of repair for the leakage cannot help but being taken in temporary way without any noticeable countermeasure. Therefore, this kind of repair is socially criticized many times that this is defective construction even if this costs a lot. The fundamental reason of the above mentioned symptoms can be found in the creation of the work-joint caused by the character of the concrete building, the limitation of the physical performance of the existing water-proof and repair material, the limitation of the construction, the limitation of the physical sustaining performance of the concrete building, the limitation(heat-injury, deterioration) of the constancy of the durability caused by aging and etc. Therefore, in this study, we would like to present the better understanding on the water-proof seal relating to the application at the spot and its test evaluation related data since the necessity of the establishment of the quality control standard and the performance testing way on the relevant water-proof seal is rising a lot to regulate the water-proof technology and the leakage repair technology in accordance with the growth of the demand on the facility.