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RISS 인기검색어
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- 저자 : 최지수(Ji Su Choi) (검색결과 23 건)
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최지수(Choi, Ji-Su),이준수(Lee, Jun-Soo) 한국실내디자인학회 2018 한국실내디자인학회 학술대회논문집 Vol.20 No.1
In recent years, urbanization has become increasingly widespread, such as housing is being pushed out of the city due to rising land prices in urban areas. As a result, the structural reforms of universities are accelerating due to the decline in the school-age population, but as the current low birth rate continues, the middle and high schools are closed and the integration and abolition can not be avoided. Also, in the past, there were many schools in the city center, but now many schools are closed or disappear due to the abolition of downtown. Therefore, various utilization methods should be prepared. I would like to propose a space that shows the identity of Gwangju through the remodeling of the Gwangju City Historical Museum and the construction of the Gwangju Gwangju History Exhibition Space, with the history and symbolism of Gwangju Metropolitan City and Gwangju Central Elementary School considering the history of 100 years.
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유아의 글 없는 그림책 읽기 반응과 이야기 이해: 또래와의 협동과 경쟁 읽기 비교
최지수(Ji-Su Choi ),최나야(Na-Ya Choi) 한국아동학회 2020 아동학회지 Vol.41 No.5
Objectives: The purpose of this study was to find out whether four-year-old children differ in their reading responses and story comprehension when reading wordless picture books with their peers in different peer interaction conditions. Methods: The children (N = 115) were from two daycare centers and four kindergartens located in Seoul, Gyeonggi, and Incheon. Each childs personal characteristics were controlled by random assignment. After the children had read the picture book assigned for cooperative, competitive and reading alone conditions, their story comprehension was measured. Results: The number of words spoken was greater in the cooperative and competitive conditions than in the reading alone condition. Exploratory, interpretive, constructive and play behaviors were more frequent in the cooperative condition. However negative behavior was more frequent in the competition condition. Story comprehension was higher when children read picture books in cooperation with their peers. Conclusion: The context in which picture books were read was found to affect not only reading responses, but also the story comprehension.
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최지수(Choi, Ji-Su),김정기(Kim, Chung-ki) 한국실내디자인학회 2014 한국실내디자인학회 학술대회논문집 Vol.2014 No.5
Even with the rapid changes in the global economy, "Jewelry" was able to reach 170 billion dollars in its trade volume and allowed itself to become a major part of the economy. In korea, the modern jewelry industry has managed to form a large market in a short period of time, however, the market was disadvantaged as it wasn"t able secure its position at an industrial state. Also, it appears that ever since the FTA was signed, jewelry makers who went to overseas are bringing an "u-turn" phenomenon- returning back to Korea. Thus, in order to optimally activate jewelery industry in korea and settle these "U-turn" companies / (jewelery makers) in korea, Jewelry PR(Public Relation) room will be planned to best fit its purpose. as for my design directions, I have thoroughly looked through the characteristics of the jewelry industry and was able to draw its competitive factors by analysing the current industry status of the jewelery industry and support policies of foreign countries. And these competitive factors were : exchanges between industrial clusters, professional training affordability, culture-artistry, customer participate and reliability. PR(Public Relation) room plan that is focused on the specific characteristics of Jewelry industrial competitiveness will solidify its presence in the domestic jewelry industry and is a way to boost the competitiveness in the world market.
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최지수 ( Choi Ji-su ),김상엽 ( Kim Sang-yeop ),송진희 ( Song Jin-hee ),조홍범 ( Cho Hong-beom ),이규냠 ( Rhee Kyu-nam ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.1
In winter, low outdoor temperature can casue reduction of concrete strength. Therefore, thermal protection is required when curing concrete in winter to maintain a certain level or higher surface temperature. Accordingly, in domestic construction sites, a curing method in which surrounds casting areas by tents and operates hot air blowers are widely applied. However, local low-temperature areas may occur due to airtightness of the curing tents. If additional heat is supplied to prevent occurrence of local low-temperature areas, energy consumption increases. Therefore in this study, a plan for improvement method of concrete curing was considered and the performance was evaluated through numerical analysis. A plan to improve the airtightness of the wall opening was applied, but the analysis showed that if only a part of the curing area is shielded, the temperature of the unshielded area decreases, making it inappropriate to improve curing performance.
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열풍기를 이용한 콘크리트 급열 보양 시 양생가옥 내 온도 분포 개선 방안
최지수(Choi, Ji-Su),김상엽(Kim, Sang-Yeop),송진희(Song, Jin-Hee),조홍범(Cho, Hong-Beom),이규남(Rhee, Kyu-Nam) 대한건축학회 2022 대한건축학회 학술발표대회 논문집 Vol.42 No.1
In winter, low outdoor temperature can casue reduction of concrete strength. Therefore, thermal protection is required when curing concrete in winter to maintain a certain level or higher surface temperature. Accordingly, in domestic construction sites, a curing method in which surrounds casting areas by tents and operates hot air blowers are widely applied. However, local low-temperature areas may occur due to airtightness of the curing tents. If additional heat is supplied to prevent occurrence of local low-temperature areas, energy consumption increases. Therefore in this study, a plan for improvement method of concrete curing was considered and the performance was evaluated through numerical analysis. A plan to improve the airtightness of the wall opening was applied, but the analysis showed that if only a part of the curing area is shielded, the temperature of the unshielded area decreases,making it inappropriate to improve curing performance.
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CFRP 파이프의 와인딩 적층 패턴 설계 및 HNT 나노입자 보강에 따른 수 환경에서의 기계적 물성 평가
최지수 ( Ji-su Choi ),박수정 ( Soo-jeong Park ),김윤해 ( Yun-hae Kim ) 한국복합재료학회 2021 Composites research Vol.34 No.3
유체 이송에 사용되는 강재 파이프는 신설과 도장, 또는 부식과 노후화로 인한 제반 시설 보수에 거대한 규모의 시간과 비용이 요구된다. 이에 본 연구에서는 강재 파이프의 대체재로, 내부식성과 내화학성이 우수한 탄소섬유강화복합재료(Carbon Fiber Reinforced Plastic, CFRP) 파이프 구조의 최적화 설계를 수행하였다. 헬리컬 패턴 표면에 후프 패턴을 혼합적층하여 내구성을 향상시켰으며, 수분 환경에서의 에폭시 흡습 현상을 억제하기 위해, 할로이사이트 나노튜브(Halloysite Nanotube, HNT)를 첨가하였다. HNT/CFRP 파이프는 필라멘트 와인딩 공정으로 제작하였으며, 기계적 물성 시험과 70°C 고온 증류수 환경하에서 흡습 시험을 진행하였다. 그 결과, 파이프 두께의 0.6%에 해당하는 후프 패턴의 적층 시, 가장 우수한 물성을 나타냈다. 또한 0.5 wt.% HNT 첨가 시 상대적으로 높은 내흡습성을 가졌으며, 층간 계면에서의 박리 현상이 지연되어 가장 낮은 강도 저하율을 보였다. Currently, fluid transfer steel pipes take a lot of time and expense to maintain all facilities due to new construction and painting or corrosion and aging. Therefore, this study was conducted for designing a CFRP pipe structure with high corrosion resistance and chemical resistance as a substitute for steel pipes. The helical/hoop pattern was cross-laminated to improve durability, and HNT was added to suppress the moisture absorption phenomenon of the epoxy. The HNT/CFRP pipe was manufactured by a filament winding process, and performed a mechanical property test, and a moisture absorption test in distilled water at 70°C. As a result, the highest bending strength was obtained when the hoop pattern was laminated with a thickness equivalent to 0.6% of the pipe. The 0.5 wt% HNT specimen had the highest moisture absorption resistance. Also, the delamination phenomenon at the interlayer interface was delayed, resulting in the lowest strength reduction rate.
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