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        검색결과 294

        81.
        2017.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The purpose of this study was to suggest torso patterns that fit the three main body shapes of elderly obese women. To reduce time, costs, and also the trial and error needed to make patterns, the CLO program for 3D test wear was employed. Three virtual models for aged obese women were use, with the YUKA system used to produce torso patterns. 3D simulation of test wear and corrections was done to design optimal torso patterns. The results were as follows: First, for the three models of obese women’s body shapes as realized by CLO 3D, Type 1 is lower-body obesity shapes, Type 2 is abdominal obesity shapes, and Type 3 is whole-body obesity shapes. Second, to design the study patterns, actual measurement values, back waist length and waist to hip length, were used. The armhole depth (B/4-1.5), front interscye (B/6+2.3), front neck width (B/12-0.5), front neck depth (B/12+0.5), front waist measurement (W/4+ 1.5+D), front hip measurement (H/4+2+0.5), and back hip measurement (H/4+3-0.5) were calculated using formulas. Third, according to the results of test-wearing the study patterns, reduced front neck width and depth improved the neck fit and reduced armhole depth bettered loose or plunging armhole girth and also reduced the sagging of bust c.. Also, tight sidesfrom aprotruded waist and abdomen improved with the increase of surpluses in the back waist and also back and front hip c. The exterior was enhanced by displacement of back and front darts, which distributed surpluses better.
        4,300원
        82.
        2017.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Kimono sleeves have continuously appeared in modern fashion as a design motif and this trend has become increasingly prevalent recently. However for research in the area of clothing composition for kimono sleeves in Korea, there has been a lack of development of master patterns based on basic data from the analysis of the standard body type of Korean people and finalized designs based on comparative experiments and analysis of pre-existing research Thus, there is no ideal master kimono sleeve pattern development research based on the examination of the results of the analysis of the standard body type of Korean people. Therefore by recognizing the importance of developing a master kimono sleeve pattern, this research aims to present a practical master kimono sleeve pattern for the standard body type of someone in their 30s. First, the four master patterns were collected and a dressing evaluation was conducted, and by selecting and improving one of these master designs, a final research master pattern was developed after a second dressing evaluation. Through this research, it was possible to design a master kimono sleeve pattern appropriate both externally and functionally for the standard body type of someone in their 30s, which has not been a consideration in previous research.
        4,500원
        83.
        2017.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        In this study, load transfer tests based on KCI-PS101 were conducted to verify the performance of spiral anchorage zone reinforcement for banded post-tensioning (PT) monostrands. With results, the compressive strength of spiral reinforcement was increased by about 20% than that of specimens with two horizontal steel bars and 8% than that of U-shaped bars. Advanced spiral reinforcement for corner increases compressive strength and can resist the spalling forces or fall-out effect at the corner by shear. The ratio of maximum load to amount of steel of the spiral reinforcement is about twice than that of U-shaped reinforcement. With increase of compressive strength capacity and improvement of constructability, the spiral reinforcement is considered to have advantages of promoting the performance of PT anchorage zone compared to conventional methods.
        4,000원
        88.
        2017.01 KCI 등재 구독 인증기관 무료, 개인회원 유료
        In order to avoid collapse of bridges in earthquakes bridge piers are generally designed to attain sufficient ductility. This full-ductility design method has merits for securing the seismic safety readily against strong earthquakes but, it has weakness of high cost design because of excessive safety margin. Recently, in many countries with high seismic technologies, the seismic design concept tends to shift from the collapse prevention design to the performance-based one which requires different performance (damage) levels according to the structural importance. In order to establish this performance-based design method the displacement ductility of confined concrete members should be evaluated quantitatively. And the stress-strain model of confined concrete is indispensible in evaluating displacement ductility. In this study, 6 test groups with different lateral reinforcement ratios were prepared. 10 same specimens with circular section for each group were tested to obtain more reliable test results. The characteristic values necessary for composing the stress-strain model were obtained from experiments. Based on these characteristic values the new stress-strain model modifying the Hoshikuma's one has been proposed.
        4,000원
        91.
        2016.10 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구에서는 파 주기와 기울기에 따른 단일 실린더와 다중 실린더의 wave run-up을 추정하였다. 3차원 비압축성 점성 난류 유동이며 서로 다른 상을 가지는 이상유체에 대한 수치해석을 수행하기 위하여, 본 연구에서는 전산 유체 역학 상용코드인 “STAR-CCM+”을 기반으로 하여 VOF기법과 realizable k-ε 난류 모델을 사용하였다. 모델스케일에 대한 파 주기는 단일 실린더의 경우 1.269초와 1.692초이고, 다중 실린더의 경우 1.716초이다. 각 케이스 별로 1/30, 1/16의 파 기울기를 가진다. 최종적으로 파 기울기와 주기에 대한 wave run-up 추정 결과는 관련 실험 결과와 비교하였다. 수치해석 결과는 실험과 비교하여 정성적으로 유사함을 확인하였다.
        4,000원
        92.
        2016.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The present study analyzes the flexure behavior of the circular CFT member through experiment and numerical analysis. Through comparison between experimental and numerical results, whether or not the member was a full composite have little effect on the behavior. There circular CFT’s flexure behavior when considering pure moment is almost similar regardless of the interface characteristics between the steel and concrete. This is because there is no difference in the neutral axis of the full-composite and non-composite circular CFT member.
        4,000원
        93.
        2016.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Recent frequent occurrence of urban sinkhole brings a need for the periodic inspection of sewer pipelines. Sewer inspection using a CCTV device needs a lot of time and efforts. Many of previous studies which have focused to reduce the laborious tasks are mainly interested in the developments of image processing S/W and inspection H/W. Nevertheless, there has been no attempt to find meaningful information from the existing CCTV images stored by the sewer maintenance manager. In this paper, we carried out a study about the construction of unfolding image of sewer video image. In general, the analysis results show that the image development is judged to have been well represented. It is expected to be a reference to the basic research of panoramic image.
        4,000원
        94.
        2016.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The steel I-girder inserted circular steel pipe is a new structural cable-anchorage system that the circular guide pipe is connected and welded to the web of the I-girder for cable-stayed bridge. This guide pipe-anchor system has many merits of the structural and aesthetic performances. However, there has been little research into the behavior mechanism with respect to anchor angles and the strengthening methods against the sectional area reduction caused by the penetration of guide pipe. Therefore, this paper investigates an experimental behavior of the steel I-girder with circular steel tube which is fabricated 1/3 scale model as fundamental study to examine the flexural behavior and failure mode in the laboratory. Based on the comparison of test results and nonlinear FE analyses, it is found that FEM is suitable to estimate the stiffness of I-girder with circular tube in order to design the cable-stayed bridge.
        4,000원
        95.
        2016.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Manual process of the workpiece into the environment with a pleasant to complement the disadvantages of increasing the efficiency of an automatic production process, and to develop the results were obtained as follows. automatic curl the average 2.99 rotation in the machine curling turns have been identified a failure of the product Is about 0.417% to have been identified. per minute of the machine producing the number of the product has been confirmed to 5.114 average. automatic curl a result, the production rate is two times of the machine.
        4,000원
        96.
        2016.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The present study used the hydrodynamic numerical model, with the Reynolds-averaged Navier–Stokes equations (RANS) as its governing equations, to analyze overflow characteristics such as the discharge coefficient of circular-crested weir and the flow velocity and pressure distribution of weir crest. The simulation results well reproduced the overflow characteristics of the overfall of circular-crested weir both qualitatively and quantitatively. As for the discharge coefficient, rational results were yielded by the discharge coefficient equation proposed by Hager(1985) in the H1/Rb< 0.58 and by the discharge coefficient equation proposed by Samani and Bagheri(2014) in the H1/Rb> 0.58, respectively. Because most existing discharge coefficient equations were developed by disregarding the effects of the approach velocity, when they are applied, it is necessary to evaluate the effects of the approach velocity on the overflow head beforehand.
        4,000원
        97.
        2016.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Imcheong-gak[臨淸閣] was a familial residence constructed in the early half of the Joseon dynasty period. It was partially destroyed by a fire during the 1590s war[壬辰倭亂] with the Japanese, and another fire that was caused between 1631 and 1634. The inner chamber[An-chae] and the Sarang section[Sarang-chae] today is the result of a partial reconstruction that took place back in 1626 and again around 1634. The residence also went through some changes because the new Ondol[溫突] heating system had to be applied to the structure. Based upon sections that remain in their original forms, we can presume that the Imcheong-gak residence originally had an inner chamber which was composed of the following elements: A main structure which was built upon a foundation featuring a Matbae[맞배] roof, two “Ik’rang[翼廊, flank]” sections on the East and West sides of the inner chamber, and a “Haeng’rang[行廊, passage]” structure on the opposite side of the main structure. Unlike the main structure, other portions of the inner chamber were all built directly upon the ground, and showed multiple stories, with Matbae roofs of their own. We can also assume that the Sarang section in the south would have been a pre-Ondol[溫突] bedroom, with a Board platform[板房] and a Gomi-ceiling[Gomi-banza] fashion.
        4,600원
        98.
        2016.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        몽골의 영웅서사시인 『장가르』에는 칼미크-오이라드 민중들이 꿈꾸는 상황이 봄바국에서의 ‘잔치’로 그려진다. 이 잔치는 먹을 것과 마실 것이 풍부하고, 나라 의 영웅들 간에 평등한 소통이 이루어지는 시공간이다. 이 잔치로부터 멀어지는 것은 전쟁을 의미하고, 전쟁에서 승리하는 것은 ‘잔치’에 다시 참여하는 것을 의 미한다. 『장가르』에서 태평성대의 시간으로 그려지는 잔치, 즉 칼미크-오이라드 민중들이 희구하는 잔치는 봄바국에서의 잔치만이다. 적진에서의 잔치는 전투를 촉발시키거나 전투를 준비하는 시간일 뿐이다. 칼미크-오이라드 민중에게 매일 의 삶은 전쟁과 그 결과로서의 패배였다. 혹독한 날씨와 싸워야 하고, 먹을 것이 부족한 땅에서 살아남아야만 하며, 전쟁 혹은 사냥으로 인해 항상 육체적 위협 속에서 생활할 수밖에 없는 몽골 사람들에게 『장가르』를 연창할 때 눈앞에 그려 지는 봄바국에서의 잔치는 그 자체로 큰 위안이자 희망이었을 것이다. 추위와 굶 주림, 끊임없는 전쟁과 패배의 상황으로부터 그들을 구원해 줄 영웅으로 장가르 가 호출되었고, 그를 통해 새롭게 창조될 세상은 봄바국에서의 잔치로 구현되었 다. 『장가르』를 원형으로 하여 이를 반복하고 재현함으로써 오이라드 민중은 부 정합적 상황을 받아들이고 이를 상상적으로 극복할 수 있었다.
        6,600원
        99.
        2016.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The old house at No’eun-ri, located in Hongseong-gun Hongbuk-myeon of the Chungcheong Nam-do province, really seems like the old house of late Seong Sam-mun who died in 1456. The original structure of the house seems to have been symmetrical, in terms of its left and right sides, and the females’ chamber(Anchae) as well as the guest quarters(Haeng’rang-chae) would have featured a Matbae(맞배) fashion. The flank chamber and corridor would have displayed a multi-storied shape, and people would have been able to traverse the inside of the house all the way to the second story of the residence. We can see such shapes and dispositions from other ‘口’-shaped houses — found in Chungnam and Gyeongbuk regions — which are now considered as distinct characteristics of certain residences constructed before the war with the Japanese in the 1590s, confirmed from extant vestiges and historical records of that time period. It can be concluded that the old house at No’eun-ri does harbor the traits and elements that resembled the upper class residences of the Joseon dynasty’s early half period.
        4,600원
        100.
        2016.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        고층빌딩이나 해양 라이저와 같은 세장 구조물은 구조시스템의 동적 불안정의 주요 원인인 와류유기진동(vortexinduced vibration, VIV)에 의한 동하중에 매우 취약하다. 와류유기진동이 라이저의 고유진동수 영역에서 발생하는 경우 Lock-in현상으로 피로파괴의 우려가 있다. 본 논문에서는 Lock-in 영역에서 구조물과 유동의 동적거동에 대한 수치해석을 다루었으며, 유동조건 변화에도 불구하고 공진 주파수가 유지되는 현상에 대해 분석하였으며, 유입유동에 대해 수직방향으로 자유진동하는 1자유도의 2차원 원형실린더 단면에 대한 비정상 층류를 가정하였다. 각 시간 단계에서 물체의 움직임을 고려하여 유동장 격자를 재생성하며 비정상 유동과 물체의 운동에 대한 지배방정식을 순차적으로 수치해석하여 유체-구조연성해석을 수행하였다. 결과는 선행연구와 잘 일치함을 보여주었고, Lock-in 현상에 대한 특성을 잘 나타내었다. Lock-in 영역에서는 양력뿐만 아니라 항력도 크게 증가함을 보여주었으며, 실린더의 수직변위는 직경의 20%까지 이름을 나타내었다. 양력과 수직변위의 상관분석을 통해 실린더가 Lock-in 영역에서 양력과 수직변위의 위상차가 동기로부터 반동기로 천이함을 확인하였으며, 이러한 변화가 Lock-in 영역에서 나타나는 공진거동의 원인이 되는 것으로 판된되었다.
        4,000원
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