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An Integrated Construction Management System Based on the Earned Value Concept (EV개념에 의한 통합건설공사관리시스템)

  • Chung Chul-Won;Lee Jeom-Su;Oh Kyu-Whan;Chang Jin-Sik;Lee Yu-Seop;Park Chan-Sik
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • autumn
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    • pp.155-162
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    • 2001
  • Recently, in Korea, a few construction companies have been tried to develop a management system, which is able to integrate schedule and cost. In spite of these attempts, however, advanced management techniques can be hardly applied under the BoQ based management system. In order to improve these problems, many studies have been peformed, but yet could not overcome practical limitations. Besides, the application of historical data is below the level since it is so difficult to accumulate and feed-back historical data under the unique character of construction industry. Consequently, lots of time and effort have being wasted to establish control criteria. The newly generated Information is not systematically managed as well. Therefore, this study suggests Integrated Construction Management System complemented the existing practical problems.

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Deformation Based Seismic Design of Asymmetric Wall Structures (변형에 기초한 비대칭 벽식 주초의 내진설계)

  • 홍성걸;조봉호
    • Journal of the Earthquake Engineering Society of Korea
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    • v.6 no.1
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    • pp.43-53
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    • 2002
  • Current torsional provisions focus n restricting torsional effect of asymmetric wall structures by proportioning strength of wall based on the traditional assumption that stiffness and strength are independent. Recent studies have pointed out that stiffness of structural wall is dependent on the strength. This implies that actual stiffness of walls can be determined only after torsional design is finished and current torsional provisions may result in significant errors. To overcome this shortcoming, this paper proposes deformation based torsional design for asymmetric wall structures. Contrary to the current torsional provisions, deformation-based torsional design uses displacement and rotation angle as design parameters and calculates base shear for inelastic torsional response directly. Main purpose of deformation based torsional design is not to restrict torsional response but to ensure intended torsional mechanism according to the capacity design concept. Because displacement and rotation angle can be used as performance criteria indicating performance level of asymmetric structures, this method can be applied to the performance based seismic design effectively.

What is the Meaning of Qi in Sasang Constitutional Medicine? (사상의학(四象醫學)에서 기(氣)는 어떤 의미를 가지는가?)

  • Kang, Tae-Gon;Park, Seong-Sik
    • Journal of Sasang Constitutional Medicine
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    • v.18 no.3
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    • pp.1-11
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    • 2006
  • 1. Objectives The purpose of this study is to find the kinds & meaninings of Qi in Lee Je-Ma's writings. 2. Methods We analyzed Lee Je-Ma's writings which contain the related contents of Qi's kinds & meanings 3. Results and Conclusions 1) There are distinctive Qi features of $sorrow{\cdot}anger{\cdot}joy{\cdot}pleasure$(哀怒僖樂) which are different from one of seven mode emotions(七情) in ${\ulcorner}$Gyukchigo(格致藁)${\lrcorner}$. 2) When $Water{\cdot}grain's$ Qi(臟氣) is the base of the human's Qi, $Nature{\cdot}emotion's$ Qi(性${\cdot}$情氣) is managing. And $Lung{\cdot}Spleen{\cdot}Liver{\cdot}Kidneys's$ Qi(肺脾肝腎氣) is the representative concept resulted by the complex operation of $Water{\cdot}grain's$ Qi(水穀之氣) and $Nature{\cdot}emotion's$ Qi. Each Qi stands for its protensity as follows ; Lung's Qi for extrorse propensity of Yang(Z), Spleen's Qi for upward propensity of Yang(陽), Liver's Qi for introrse propensity of Eum(陰), Kidneys's Qi for downward propensity of Eum(陰). 3) Jang's Qi is more important than medicine's Qi and medicine's Qi has a limitation about recovering jang's Qi. So that it is very important to take care of one's mind. 4) Controling mind Qi is controling Nature & emotion's Qi. Thus controling mind Qi si the best plan for jang's Qi and controling with medicine's Qi is the next policy. 5) Qi influences all aspect of personality, disease, application of medicines and ordinary symptoms. So that Qi is the kernel of the Sasang Constitutional Medicine.

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Acoustic Target Strength Analysis for Underwater Vehicles Covering Near Field Spherical Wave Source Originated Multiple Bounce Effects (근접장 구면파 소스의 다중 반사 효과를 고려한 수중함의 음향표적강도 해석)

  • Cho, Byung-Gu;Hong, Suk-Yoon;Kwon, Hyun-Wung
    • Journal of the Society of Naval Architects of Korea
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    • v.47 no.2
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    • pp.196-209
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    • 2010
  • For the analysis of Acoustic Target Strength(TS) that indicates the scattered acoustic intensity from the underwater vehicles, an analysis program that is applicable to scatterers insonified by spherical wave source in near field is developed. In this program, the Physical Optics(PO) method is embedded as a base component. To increase the accuracy of the program, multiple bounce effects based on Geometrical Optics(GO) method are applied. To implement multiple bounce effects, GO method is used together with PO method. In detail, GO method has a concern in the evaluation of the effective area, and PO method is involved in the calculation of Acoustic Target Strength for the final effective area that is evaluated by GO method. For the embodiment of near field spherical wave source originated multiple bounce effects, image source concept is implemented additively to the existing multiple bounce algorithm which assumes plane wave insonification. Various types of models are tested to evaluate the reliability of the developed program and finally, a submarine is analyzed as an arbitrary scatterer.

A Study of Asset and Risk Assessment for Established of Industrial Security Management System (산업보안 경영시스템 구축을 위한 자산 및 위험평가에 관한 연구)

  • Koh, Joon-Cheol;Kim, Tae-Soo;Joo, Yong-Ma;Kim, Woo-Hyun;Kang, Kyung-Sik
    • Journal of the Korea Safety Management & Science
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    • v.12 no.4
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    • pp.1-11
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    • 2010
  • The purpose of this study is, by recognizing that recently, as crimes using information and various adverse-effect phenomena such as hacking and virus occur frequently with rapid development of information network such as Internet in every field of industry, the range of security is widening to the field of industrial areas for preventing the leaking of industrial technology and protecting that technology as well as information security only limited to IT area, and by establishing common concept about industrial security through education on the industrial security at the point of increasing importance of industrial security, to prepare the base of comprehensive risk management system for protecting company's assets (physical factor, technical factor and managerial factor) safely from the random threats or attacks inside and outside the company through assessment of important assets of the company, evaluation of threats and weak points, and risk assessment by building industrial security management system in order to protect company's information assets and resources which are connected to the existence of the company safely from the threats or attacks from inside or outside the company and to spread stable business activities.

A Study on the implementation Strategy of the Next Generation Cadastral Information Service - Focus on the Case of Korea Cadastral Survey Corporation - (차세대 지적정보서비스 구현 전략 연구 - 대한지적공사 사례를 중심으로 -)

  • Lee, Bo-Mi;Lee, Yong-Mun
    • Spatial Information Research
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    • v.16 no.1
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    • pp.101-112
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    • 2008
  • This study aims to show why we have to introduce SOA paradigm in the Cadastral Information System for coping with domestic and foreign IT environments flexibly and strengthening inner capability. We search the trend of up-to-date IT paradigm such as Enterprise GIS, SOA and etc. from this, we worked out the concept of Cadastral Information System. we also could see the introduction case of the domestic and foreign next generation Cadastral Information System, there is implications for us. also, we analysis the general condition about information system which KCSC(Korea Cadastral Survey Corporation) own in a general way and estimate the SOA level degree for each information system. and on that base, we set up SOA loadmap for implementation the next generation of Cadastral Information Service. This is an important step for building ideal future information systems which KCSC hope to be. For realizing this, we focus our inner capability on integration without duplicate and re-using the inner information infra.

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Research on the Productions of Analog Pens within the Smart Media (스마트 미디어에서의 아날로그 펜화기법 제작 연구 -어플리케이션 "스케치 플러스"를 중심으로)

  • Yoon, Dong-Joon;Oh, Seung-Hwan
    • Journal of Digital Convergence
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    • v.14 no.12
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    • pp.413-421
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    • 2016
  • This research, mainly focused on the development of the iPhone exclusive app 'Sketch Plus', is on the production of pens within the smart media. Our goal is to develop and reproduce pens with surreal rendering as a base and during that process, describe the fusing process of design perspectives and algorithms. This research comprehends the concept of surreal rendering, which is a technique that mimics traditional art forms, and suggests 15 pen techniques and ways to display them by analyzing previous research on smart media. We have described the process of using hatching patterns and resused to solve lag problems that occur during the reproduction of pen techniques due to the limitations of smart devices and organized the conversion process of pen patterns into 4 steps: rough sketch, contrast, applying and mimicking patterns, and applying color. We hope that this research on the reproduction of analog pen techniques can be used as an example for production on fused surreal rendering.

A study of similarities between VDT syndrome and Kyunbitong (jianbeitong, 肩臂痛) on the ground of medical records (VDT 증후군(症候群)과 견비통(肩臂痛)의 문헌적(文獻的) 고찰(考察)을 통(通)한 상관성(相關性) 연구(硏究))

  • Song, In-Gwang;Kim, Gap-Sung;Lee, Seung-Deok
    • Journal of Acupuncture Research
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    • v.18 no.2
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    • pp.37-50
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    • 2001
  • Objects : This study is to be applied effectively to the acupuncture treatment for VDT syndrome. Methods : I referred to occidental and oriental medical records. Results and Conclusion : VDT syndrom is the concept focalizing work environment and labor load, and named all that symptoms according to excessive VDT works. The disorders of VDT syndrome is divided into 2 groups with muscaloskeletal disorders and non-musculoskeletal disorders, and non-musculoskeletal disorders is secondly divided into 3 groups with visual disorders, stress disorders and others. The risk factor of VDT syndrome is divided 4 groups with repetitive acts, consistent works, uncomfortable work postures, unprofitable light environments, jobs needs for excessive power and mental or physical fatigues. In oriental medicine area, I apply VDT syndrome to Kyunbitong(jianbeitong, 肩臂痛) to base on similarities of the risk factors and disorders between VDT syndrome and Kyunbitong(jianbeitong, 肩臂痛), that is painful illness on shoulders, arms, hands and fingers. And, Kyunbitong(jianbeitong, 肩臂痛) is divided 3 groups into Susamuhm(shousanyin, 手三陰), Susamyang(shousanyang, 手三陽) and Joktaeyang(zutaiyang, 足太陽) on the ground of meridian. Disorders related to Kyunbitong(jianbeitong, 肩臂痛) is grounded on kyungmaek(Jingmai, 經脈) disorder called sidongbyung(shidongbing, 是動病) and sosaengbyung(suoshengbing, 所生病) and Kyungkeun(Jingjin,經筋) disorder related to Kyunbitong(jianbeitong, 肩臂痛). As a result of this study, there is many similarities between VDT syndrome and Kyunbitong (jianbeitong, 肩臂痛). On acupuncture treatment, VDT syndrome can be applied to Kyunbitong(jianbeitong, 肩臂痛)'s on the basis of meridians, because of similarities of risk factors and disorders between VDT syndrome and Kyunbitong(jienbeitong, 肩臂痛).

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A Study on Recognizing Value and Belief of Health with aged (노인이 인지하고 있는 건강의 가치신념에 관한 연구)

  • Shin, Dong-Sun;Hong, Chun-Sil
    • Research in Community and Public Health Nursing
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    • v.7 no.1
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    • pp.38-51
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    • 1996
  • There is a increasingly growing emphasis on health promotion, disease prevention and optimum functioning for peaple including the chronically ill and disabled. According as the purpose of the nursing is the promotion of health, the value and belief of heal th within the nursing paradigm need to be defined in every culture. The paradigm components must be explored for meaning given by the aged in their traditional thought and philosophy, The problem addressed by this qualitative study was how the aged recognize value and belief of health, which contribute to the development of Korean nursing theory. Theoretical support for the study was from Leininger's cultural care theory and Korean philosophy and traditional oriented thought. Literature review refers to literature on the aged, health of the aged, and definition and meaning of general health concept. Grounded theory methodology guied the research methodology and analysis to build a substantive theory. The informants were 119 from a variety of social levels and family patterns; traditionally the aged are responsible for the health. The concentrated interviewing period was from may to june, 1995 ; the interviews were done by the researcher with two supporter and most were recorded on audio tape. Result from analysis of base datas follows; The value and belief of health that emerged from the categories and properties were the physical stability, the stability of mind, the stability of mind and body, the smoothness (harmony) of body function, the family concord, and the perfection of self. These values and beliefs of health are affected by the cosmic dual forces thought is based on the Great Absolute, family principle of confucian scholar, and Buddism. Among the values and beliefs of health, family concord is found out Korean culture peculiarities. These values and beliefs are all integrated into the idea of health. The study provided implications for nursing theory research, education, and practice change and development.

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A Comparative Study on Japan and Korea Aesthetic Point of View in the Modern Fashion - Japanese Aesthetic Points of View in Modern Fashion - (패션에 내재된 한·일 미적관점 비교연구(2보) - 일본의 미적 관점을 중심으로 -)

  • Chae, Keum-Seok;Kim, Ju-Hee
    • Journal of the Korea Fashion and Costume Design Association
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    • v.19 no.3
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    • pp.75-87
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    • 2017
  • Sensitivity has become more important in relation to design in the changing social environment and atmosphere. In the West, the concept of aesthetics has long been established but in the East, only in the seventeenth and eighteenth century China did the discussion begin. In Korea, where the first scholarly discussion on aesthetics began around 1929, more and more rigorous and theoretical discussions are emerging now. Korean beauty consists of the beauty of no-artfulness and the beauty of natural artfulness. Japanese beauty consists of the beauty of half-articulation and the beauty of articulation. While both Korea and Japan base their sense of beauty on nature, Korea emphasizes nature as it is while Japan values artful decorative elements. Especially in modern Korean fashion, the characteristic Korean aesthetics of un-artfulness appears in various expressive techniques such as the movement with natural gathering, the use of natural materials like cotton, the harmonization of black and white, and a simplified silhouette. In Japanese fashion, one can see techniques such as: the beauty of half-articulation expressed through the ambiguity of shapes, colors, and genders or simplicity and paucity using straight lines, the beauty of articulation expressed with bright flower prints and ornaments, accessories of Obi and feathers and the transformed silhouette.

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