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국내외 옥상녹화 기술현황분석을 통한 국내 방수,방근기술의 개선방향연구
권시원 ( Shi Won Kwon ),배기선 ( Kee Sun Bae ),오상근 ( Sang Keun Oh ) 한국건축시공학회 2007 한국건축시공학회 학술발표대회 논문집 Vol.7 No.1
The green roof industry have been developed with Europe, North America, Japan. At the same time, being recognized the important of green roofs in domestic industry and we just start to develop the relative technology as analyzing the future direction of advanced technology. Recently, local self-government including Seoul support the system for green roof which provide 50% of working expenses form of Matching Fund by Seed Money. As years go by, the number of build up the green roof has gradually increased to be proved. At this result caused by management of system in government, unstructured construction system, low development of support technology. In this study as analyzing the present of technical development, supporting by law and system for the advanced waterproofing and root penetration resistance technology, we suggest the development direction of it to be compared with application advanced technology and we could strengthen the international competitiveness to be industrialized the green roof considering system, technology, human infrastructure.
군산시 인근 하천 및 저수지에 분포하는 항생제 내성균에 관한 연구
권시원(Kwon, Si Won),김지연(Kim, Ji Yeon),김찬호(Kim, Chan Ho),염선민(Yeom, Sun Min),유한결(Yu, Han Kyeol),전재운(Jeon, Jae Un),한지수(Han, Ji Su),조성준(Cho, Sung Jun),이건형(Lee, Geon Hyoung ) 한국과학영재교육학회 2013 과학영재교육 Vol.5 No.1
: 군산시 인근 하천 및 저수지에 분포하는 호기성 종속영양세균은 3.09 ± 0.31 × 103 ~ 4.57 ± 0.06 × 10 4 cfu / ㎖ 의 범주에서 균체수를 나타냈으며, 항생제 내성균은 은파저수지에서 1.89 ± 0.16 × 101 ~ 2.77 ± 0.18 × 10 2 cfu / ㎖ 의 범주에서, 경포천에서는 2.04 ± 0.37 × 10 2 ~ 3.58 ± 0.03 × 10 3 cfu / ㎖ 의 범주에 서, 옥구저수지에서 0 ~ 2.87 ± 0.18 × 10 2 cfu / ㎖ 의 범주에서 균체수를 나타냈다. 16S rDNA 분석으로 연구대상 지역에서 항생제 내성이 있는 6개 균주를 분리하여 동정한 결과 각각 Pseudomonas putida, Sphingomonas echinoides, Sphingomonas aromaticivorans, Stenotrophomonas maltophilia, Xanthomonas retroflexus, Pseudomonas mitroreducens로 동정되었으며, 이 중 4개의 균주는 다재내성균 주로 밝혀졌다. In this study, we investigated not only the population densities of aerobic heterotrophic bacteria and antibiotic resistant bacteria but also their identification by 16S rDNA analysis from the water of Okgu lake, Gyeongpo brook, and Eunpa lake located in Gunsan during August 2011. The results were as follows; Population densities of aerobic heterotrophic bacteria and antibiotic resistant bacteria by plate counting method were in the range of 3.09 ± 0.31 × 10 3 ~ 4.57 ± 0.06 × 10 4 cfu / ㎖ and from 0 ~ 3.58 ± 0.03 × 10 3 cfu / ㎖ during sampling periods, respectively. We selected six strains of antibiotic resistant bacteria and identified by using 16S rDNA analysis. As a result, they were identified as Pseudomonas putida, Sphingomonas echinoides, Sphingomonas aromaticivorans, Stenotrophomonas maltophilia, Xanthomonas retroflexus and Pseudomonas mitroreducens. Among identified 6 strains, Pseudomonas putida, Stenotrophomonas maltophilia, Xanthomonas retroflexus and Pseudomonas mitroreducens showed the multiple antibiotic resistance.
옥상녹화를 위한 방수재료 및 공법개발의 필요성에 관한 분석
권시원 ( Shi Won Kwon ),오미현 ( Mi Hyun Oh ),강효진 ( Hyo Jin Kang ),오상근 ( Sang Keun Oh ) 한국건축시공학회 2003 한국건축시공학회 학술발표대회 논문집 Vol.3 No.2
The need for this study must be considerable, as being activate of green roofs research that the organization and construction obtain access to more development technologies. Nevertheless, the green roofs system has begun to apply since 1980`s, the green roofs technology was restricted to develop without verification of technologies such as a load or water leakage. There is a limit as urethane waterproofing to almost domestic waterproofing materials and methods of construction for general green roofs. The introduction of materials and methods of construction which are appropriated to property of green roofs could be a decisive factor in a long-range durability and economical maintenance cost, moreover, it support to variety construction system and organization. This present paper describes a necessity of waterproofing and root barrier system is one of the sub-organization based on green roofs construction. which have enormously large impact on the durability.
도시철도 차량기지의 기반녹화에 적합한 방수시스템 선정을 위한 환경 조건 분석
민광만 ( Kwang-man Min ),권시원 ( Shi-won Kwon ),최성민 ( Sung-min Choi ),곽규성 ( Kyu-sung Kwak ),오상근 ( Sang-keun Oh ) 한국건축시공학회 2006 한국건축시공학회 학술발표대회 논문집 Vol.6 No.2
Depot have a lagged behind structure in the side of building up the view. With this reason, people have been recognized depot as hatred facility causes to have car noise, air pollution. In the other hand, depot become a underground and complex facility as a higher-value added building, and moreover, it need to understand the environment that depot structure have a specific field condition to apply green roof system. 1) Analysis proper waterproofing material and root barrier apply to depot need root penetrating test method. 2) Suggest root barrier and waterproofing material relate to maintain and construction for green roof system. 3) Construction condition for depot have crack movement of structure by vehicle vibration and root penetrating force by plant growth.
이산화티탄이 함유된 레드머드를 혼입한 초고성능콘크리트의 배합에 관한 연구
서승훈 ( Seo Seung-hoon ),권시원 ( Kwon Shi-won ),오상근 ( Oh Sang-keun ),김병일 ( Kim Byoung-il ) 한국건축시공학회 2019 한국건축시공학회 학술발표대회 논문집 Vol.19 No.2
Interest in indoor air quality is increasing day by day due to various reasons such as industrial development. Because redmud, an industrial subsidiary, contains titanium dioxide, this study evaluated self-consolidation performance with Slump Flow Test, J-Ring Test, and L-Box Test by mixing redmud in a mixture of ultra-high performance concrete, and sought the optimal combination with high flowability. In addition, the UHPC mixing experiment with photocatalyst was conducted, and the photocatalyst was replaced by the weight ratio of cement and the redmud by the weight ratio of fine aggregate and mixed with the concrete mixture.
강효진 ( Hyo Jin Kang ),권시원 ( Shi Won Kwon ),오상근 ( Sang Keun Oh ) 한국건축시공학회 2003 한국건축시공학회 학술발표대회 논문집 Vol.3 No.2
There are many factors that generate the early deterioration of the concrete structure. As the one of the representative factors, we can think an invasion of the water, air and so on. The water and air invade in inside void along the capillarity and they become the cause that the durability like corrosion of layer department due to freezing and thawing, inside steel frame corrosion, and so on blacks. Therefore with covering permeability covering waterproofing material of fluid condition in outer wall, intercepting the deterioration factor due to the infiltration of water from outside and for salt damage of concrete layer department, freezing damage and neutralization, it needs to improve durability of structure. This study separately examined physical and chemical specific of quality liguid siliceous of waterproofing material. Therefore as this applys the construction site, it improves the durability of concrete structure. Further this presents the application plan from the construction market against the new material.