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피난계단 합류 시 유동률에 대한 피난실험 및 모델링 비교
황은경,우수진,김종훈,김운형 한국화재소방학회 2014 한국화재소방학회논문지 Vol.28 No.6
Junction at the staircase is one of key factors for building egress analysis. The most important factor is the congestion atthe door or somewhere connecting from bigger area to smaller one. The other factor is the congestion in the staircase. Ithappens when people from upper floors meets people from the connecting floor. Especially egress situation at the highrisebuilding is worse. The simulation of the junction is only described by physical agent algorithms in egress model. Forthat reason, the description of phenomena will validate with the result of experiment and estimate the gap between modelingand experiment. In this research, the experiment of the junction and the simulation was conducted and validated. Thegap between the experiment and the modeling was estimated. The flow rates of modeling were lower than the modeling. 계단에서의 합류는 건물 피난해석에서 매우 중요한 요소이다. 건물에서의 대규모 피난인이 이동하는 경우 정체가 발생하게 되는 지점은 병목현상이 발생하는 문이나 공간이 좁아지는 지점이 있다. 또한 계단에서의 정체이다. 계단에서의 정체는 상부층에서 내려오는 인원과 연결층에서 진입하려는 인원이 합류하면서 발생된다. 이러한 현상은 초고층 건물일 경우 더욱 심하게 될 것이다. 이러한 현상에 대해 현재 시뮬레이션의 결과에 의존하고 있다. 하지만, 이러한 모사가 정확하게 실제와 같이 구현되는지는 실험과의 비교를 통해 검토해볼 필요가 있다. 본 연구에서는 계단에서의 합류에 대한 실험과 시뮬레이션 적용분석을 수행하고 그 결과를 비교해보았다. 실제 실험과 시뮬레이션의 적용 결과는 차이를 보여주고있으며, 모델링의 결과가 실제보다 낮은 것으로 나타나고 있다.
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이동약자를 고려한 건축물 피난규정 개선 방안에 관한 연구
황은경 한국화재소방학회 2009 한국화재소방학회논문지 Vol.23 No.6
최근 건축물의 대형화·고층화·고밀화·복합화 등으로 인해 건축물 내 재난사고가 발생할 경우 재실 자의 안전을 확보하기 위한 건축물 피난 설계가 매우 중요한 관건으로 이슈화되고 있다. 특히 장애인·노 인·임산부 등은 심신의 일시적 또는 영구적 장애로 인해 위급 대처 능력이 부족하기 때문에 건물내 화 재 발생시 가장 피해를 볼 수 있는 재해 약자라 할 수 있다. 그런데 우리나라의 경우 이동 편의성은 장 애인·노인·임산부 등의 편의증진보장에 관한 법률에 그리고 피난 안전성은 건축물 피난·방화구조 등 의 기준에 관한 규칙에 각각 이분화되어 규정되어 있다. 물론 각 개별법령에 의한 제정 목적은 상이하나 동일한 재실자를 대상으로 동일한 건축부위에 대한 설계기준이 상호연계가 부족하다면 건축설계 및 피난 설계자들에게 혼란을 야기할 수 있다. 따라서 본 연구에서는 장애인편의증진법과 건축물 피난규칙의 비교 분석을 통해 각 법령간의 상이점을 살펴보고 이에 대한 통합 기준을 제안하였다. Owing to increase of the large-scaled, high-raised and complexed building construction, the escape design of the building became very important issue to insure the safety of occupant. Specially, it is demanded to have building escape regulation considering for inconvenient movers such as disables elders pregnant women. However, building regulations for inconvenient movers are divided into “Regulation of Escape and Fire-prevention of Building” and “Act on the Promotion and Guarantee of Access for the Disabled, the Aged and Pregnant Women to Facilities and Information”. But, for the escape security of inconvenient movers, the connection of each regulation are necessary. So this study suggested the improvement direction of the building escape regulation considering inconvenient movers through the compared analysis on the “Regulation of Escape and Fire-prevention of Building” and “Act on the Promotion and Guarantee of Access for the Disabled, the Aged and Pregnant Women to Facilities and Information”.
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친환경건축물 인증제도 평가 항목 보완에 관한 기초 연구 -오픈하우징 관련 항목을 중심으로-
황은경,임석호,이상호 한국주거학회 2003 한국주거학회 논문집 Vol.14 No.5
Recently, the housing market in Korea has been changed from new construction to building-stocks, and focusing on supplier to focusing on users. Open housing is a design method not only content to users' various needs but also to the means of sustainable development by adapted to longevity of buildings. There are some indicators for Open Housing related to Green Building Certification Criteria which were worked by Mock & ME. But those indicators are limited to flexible design methods. This is a basic study for the selecting of Open Housing indicators for complementation of Green Building Certification Criteria by the analysis of SI housing in Japan, domestic Green Building Labelling and those of other countries.
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특허분석을 통한 건축구조물 리모델링 기술 개발 방향 설정 연구
황은경,김수암,문수영,이성옥 대한건축학회 2005 대한건축학회논문집 Vol.21 No.11
Even though the life of a building fully remains, early complete withdrawal re-construction is carried out because of internal components becoming superannuated and function of building old-fashioned. However, remodelling is activated by legal revision recently and the need of remodelling technology is increasing for the sustainable development. This study grasp the remodelling technology of Korea, America and Japan through analysis of patents so as to find out the proper direction of remodelling technology of Korea. In this study, the standards of remodelling technology is divided into 9 technology and grasp the present condition of remodelling in Korea; 7 technology for existing building and 2 technology for new building. And we proposed several direction of remodelling technology.
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갈조류 다시마 유리배우체의 분리, 재생 및 성 숙 유도
황은경,유호창,김세미,백재민,박찬선 한국환경생물학회 2015 환경생물 : 환경생물학회지 Vol.33 No.2
Induction of regeneration and maturation of the free-living gametophytes of Saccharina japonica was studied at four temperatures (5, 10, 15 and 20˚C), four levels of irradiance (5, 10, 20 and 40 μmol m-2 s-1) and three photoperiods (14 : 10, 12 : 12 and 10 : 14 h L : D). Female gametophyte fragments were maintained in active regeneration without reaching sexual maturity under conditions of 15˚C, 20 μmol m-2 s-1, 10 : 14 h (L : D), whereas the conditions for male gametophytes were slightly different at 15˚C, 5 μmol m-2 s-1, 14 : 10 h (L : D). The sexual maturation of female and male gametophytes took place under 5˚C, 20~40 μmol m-2 s-1, 10 : 14 h (L : D) and 15˚C, 40 μmol m-2 s-1, 10 : 14 h (L : D), respectively. These results provide basic information for controlling the regenerationand maturation of free-living gametophytes for strain improvement and cross breeding of S. japonica.
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매염제에 따른 색상변화에 관한 연구(I) -울금과 소목의 혼합염색 -
황은경,김문식,이동수,김규범 한국섬유공학회 1998 한국섬유공학회지 Vol.35 No.8
Sappan Wood and Turmeric were extracted and various colors were developed by combination of these two natural colorants. The medium colors such as yellow-red were represented by the combination of Sappan Wood and Turmeric extracts based on the mixing portion of these colorants. After the mordanting, the absorption bands of silk fabrics dyed with Sappan Wood were shifted to longer wavelength side, but those of silk fabrics dyed with Turmeric were little changed. The K/S values at 520 nm were increased gradually with increasing the mixing portion of Sappan Wood. In various mordanting methods, the K/S values of pre-mordanting silk fabric were higher than those of post- and simultaneous-mordanting, but in the case of Cr the simultaneous mordanting provided the highest K/S value. And the wide range of colors (Y~YR~R~RP) were obtained according to various mixing portion of Turmeric and Sappan Wood, mordants, and mordanting methods.
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