• Title/Summary/Keyword: Korea's representative design code

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Generation of Seismic Environment and Design Code Compatible Representative Earthquake Motion (지진환경과 설계기준과 호환하는 대표 입력 지진파의 생성)

  • Jeong, Chang-Gyun;Park, Du-Hee
    • Proceedings of the Korean Geotechical Society Conference
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    • 2010.03a
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    • pp.771-776
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    • 2010
  • Since the importance of seismic design is greater, dynamic analysis is more widely using than past. The input motion is one of the most important factors of dynamic analysis. However, in Korea input motions are selected from U.S. and Japan those are captured from large magnitude earthquakes without considering seismic environment or generated in frequency domain. In this research, the methodology for generating input motions those are considered seismic environment and design code is proposed. The seismic environment compatibility is considered by performing deaggregation and the design code compatibility is considered by time-domain artificial time history accelration generation method. The results shows that seismic environment and design code compatible input motions are successfully generated.

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Data Base Construction of Representative Practical Colors of Domestic Fashion Industry in Korea (국내 패션업계에서 활용되는 대표색의 Color Data Base 구현)

  • Choo Sunhyung;Cho Ju-Yeon;Kim Youngin
    • Journal of the Korean Society of Costume
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    • v.55 no.8 s.99
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    • pp.144-153
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    • 2005
  • The purpose of this study is to make a Web Color Data Base for practical design system for domestic fashion industry. The market segmentation was based on the results of the previous studies and the characteristics of fashion consumers. Finally, the 14,121 color samples are collected from the survey of 55 manufacturers of domestic fashion industry and 116 fashion brands of major department stores. These color samples are analyzed by the Munsell's H V/C and CIE L*a*b* value. The representative colors are selected concerning the density in CIE L*a*b* color space and the distance between the color samples. As a result, We suggested 2213 representative colors. Also, this color data was constructed on Web site. The data were sorted by the market, season and color code. In addition, the representative color sample book was made for the prototype of .

A Study on Fusion Style Costume in TV Drama $\lceil$Gung(Palace)$\rfloor$ - Focused on Heroine's Costume - (드라마 "궁(宮)"에 나타난 퓨전 스타일 의상에 관한 연구 - 여주인공 의상을 중심으로 -)

  • Byun, Mi-Yeon;Kim, Min-Ji;Lee, In-Seong
    • Journal of the Korean Society of Costume
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    • v.57 no.3 s.112
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    • pp.124-135
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    • 2007
  • Being called 'the period of diversity', the 21st century is taking on a new aspect which is different from the past where a certain phenomenon of a specific area was prescribed as one representative icon of a period. In particular, the globalization culture acted as the catalyst to accept such diversity and it appeared as a new culture code, 'fusion' throughout society and culture. Especially, unlike two-hour movies, the recent drama $\lceil$Gung$\rfloor$ showed various fusion style costume over a period of three months and created a sensation of fusion style costume. Therefore, this study is aimed at investigating fusion style costume by selecting the TV drama $\lceil$Gung$\rfloor$ which was on the air in 2006. Though various studies on fusion style costume, which is becoming a new culture code, have been conducted, this study is meaningful in that it's time to conduct a new study through a popular TV drama. Based on preceding studies on fusion style, the elements of fusion style were analyzed by capturing the most frequently exposed heroine's costume, and new design development introducing fusion elements was attempted for empirical studies. The study results are as follows. First, it was found that the fusion trend is a culture code which already spread to the public and is shown in the fashion in various ways. Second, the drama $\lceil$Gung$\rfloor$, is commented as a new dram which introduced the fusion style costume into Korea through a modern version of constitutional monarchy and is commented as a medium which created an interest in the fusion costume among the public as well. Third, new trend elements of the fusion style could be derived through empirical studies by design development.

Conceptualizing Korean Fashion with Inspiration from Traditional Images -Focused on Women's Costume in the Silla Dynasty- (전통 이미지를 활용한 한국적 패션 컨셉 개발 -신라 여성 복식을 중심으로-)

  • Kim, So Hee;Chae, Keum Seok
    • Journal of the Korean Society of Clothing and Textiles
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    • v.39 no.1
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    • pp.91-105
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    • 2015
  • This paper accomplishes the following points: First, the costume style held by women in the Silla dynasty are examined. Second, a new fashion concept is drawn from Silla's costume images with lessons from analyzing how major brands from China and Japan have adopted their own traditional images. Third, a Korean fashion concept is crafted to reflect important modern fashion design factors. The conclusions of this study are: The concept of Korean fashion using Silla costume image based on the 2015 S/S trend was developed and suggested as: 'Harmony of Contrast', new beauty created by mutually contrasting things; 'Timeless' transcending time-space flowing from the past, present, to future; 'Empathy' where past and present are harmonized; 'Modern with Antique' expressing a new style modernism where the old retains value. The efforts to express identity via conceptualization of Korean fashion are an effective strategy that satisfies the goals of setting Korea's fashion design apart from others and spreading Korean culture.

Site Classification and Design Response Spectra for Seismic Code Provisions - (III) Verification (내진설계기준의 지반분류체계 및 설계응답스펙트럼 개선을 위한 연구 - (III) 검증)

  • Cho, Hyung Ik;Satish, Manandhar;Kim, Dong Soo
    • Journal of the Earthquake Engineering Society of Korea
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    • v.20 no.4
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    • pp.257-268
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    • 2016
  • In the companion papers (I, II), site-specific response analyses were performed at more than 300 domestic sites and a new site classification system and design response spectra (DRS) were proposed using the results of the site-specific response analyses. In this paper, the proposed site classification system and the design response spectra are compared with those in other seismic codes and verified by different methods. Firstly, the design response spectra are compared with the design response spectra in Eurocode 8, KBC 2016 and MOCT 1997 to estimate quantitative differences and general trends. Secondly, site-specific response analyses are carried out using $V_S$-profiles obtained using field seismic tests and the results are compared with the proposed DRS in order to reduce the uncertainty in using the SPT-N value in site-specific response analyses in the companion paper (I). In addition, site coefficients from real earthquake records measured in Korean peninsula are used to compare with the proposed site coefficients. Finally, dynamic centrifuge tests are also performed to simulate the representative Korean site conditions, such as shallow depth to bedrock and short-period amplification characteristics. The overall results showed that the proposed site classification system and design response spectra reasonably represented the site amplification characteristic of shallow bedrock condition in Korea.

A Study on the Fatigue Strength of Propeller Blades (프로펠러 날개의 피로강도에 관한 연구)

  • Nho, In-Sik;Lee, Chang-Sup
    • Journal of the Society of Naval Architects of Korea
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    • v.48 no.6
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    • pp.539-543
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    • 2011
  • Recently, to reduce the noise and vibration levels of ships, high skewed marine propellers with thinner thickness are adopted widely, however, such propeller design trend causes to reduce the strength of blades. Propeller blades are rotating continuously in irregular wake field of ships. So, it is necessary to examine the strength of them precisely including from a viewpoint of fatigue strength. In present paper, the fatigue strength of propeller blades was investigated. Firstly, fatigue tests for Al Bronze, the representative propeller material, were carried out. The S-N curve was obtained for the assessment of the fatigue crack initiation life. And the material properties C, m for the fatigue crack propagation analysis based on the Paris' equation were derived. For the 2nd stage, the structural responses of propeller blades in irregular ship wake field was carried out using the finite element analysis code. And the fatigue strength of propeller blades were considered based on the calculated stress levels and material characteristics for fatigue strength.

Analysis on the Influence of Moment Distribution Shape on the Effective Moment of Inertia of Simply Supported Reinforced Concrete Beams (철근콘크리트 단순보의 유효 단면2차모멘트에 대한 모멘트 분포 형상의 영향 분석)

  • Park, Mi-Young;Kim, Sang-Sik;Lee, Seung-Bae;Kim, Chang-Hyuk;Kim, Kang-Su
    • Journal of the Korea Concrete Institute
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    • v.21 no.1
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    • pp.93-103
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    • 2009
  • The concept of the effective moment of inertia has been generally used for the deflection estimation of reinforced concrete flexural members. The KCI design code adopted Branson's equation for simple calculation of deflection, in which a representative value of the effective moment of inertia is used for the whole length of a member. However, the code equation for the effective moment of inertia was formulated based on the results of beam tests subjected to uniformly distributed loads, which may not effectively account for those of members under different loading conditions. Therefore, this study aimed to verify the influences of moment shapes resulting from different loading patterns by experiments. Six beams were fabricated and tested in this study, where primary variables were concrete compressive strengths and loading distances from supports, and test results were compared to the code equation and other existing approaches. A method utilizing variational analysis for the deflection estimation has been also proposed, which accounts for the influences of moment shapes to the effective moment of inertia. The test results indicated that the effective moment of inertia was somewhat influenced by the moment shape, and that this influence of moment shape to the effective moment of inertia was not captured by the code equation. Compared to the code equation, the proposed method had smaller variation in the ratios of the test results to the estimated values of beam deflections. Therefore, the proposed method is considered to be a good approach to take into account the influence of moment shape for the estimation of beam deflection, however, the differences between test results and estimated deflections show that more researches are still required to improve its accuracy by modifying the shape function of deflection.