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실리카가 혼합된 하이브리드 수지의 주차장 바닥마감재 적용 특성에 관한 연구
오상근(Oh, Sang-Keun),최성민(Choi, Sung-Min),채우병(Chae, Woo-Byung) 대한건축학회 2013 大韓建築學會論文集 : 構造系 Vol.29 No.10
The thermo-hardening epoxy resin is widely used in the various industries including the construction and civil engineering for its adhesiveness, chemical resistance and electric properties. However, when epoxy resin used finishing material for concrete slab, it had appeared to the peeling by decreasing bond strength in wet condition, weakness of impact, lack of film rigidity and corrosion, lack of eco-friendliness, and noise in car driving. When hybrid resin checked as the optimal mixture ratio applied on the surface of concrete floor, we want to know the application characteristics of the hybrid resin integrated the silica for covering the surface of concrete Floor by evaluating the mechanical strength changing and the environmental effect in the parking lot by testing the wheel load characteristics. As a result of wheel load test and the other test related on indoor environmental in this study, the hybrid resin is judged to the suitable materials for the concrete floor than the epoxy resin.
퍼지 계층분석 모형을 이용한 방수 시공업체 평가방법 제안에 관한 연구
오상근(Oh, Sang-Keun),신진학(Shin, Jin-Hak),송제영(Song, Je-Young),이선규(Lee, Sun-Gyu),곽규성(Kwak, Kyu-Sung) 대한건축학회 2012 大韓建築學會論文集 : 構造系 Vol.28 No.10
This research aims to present a method of selecting the optimum waterproofing construction firm through analysis utilizing the Fuzzy-AHP technique along with the help of waterproofing experts including construction site officials and existing Database. The 10 factors are roughly divided into 2 groups. Each 10 factors can be classified as either one of the 5 which are quantitatively measured or one of the 5 which are qualitatively measured. Firm A had the lowest distribution in construction cost selection factor out of the 4 waterproofing construction firms, but the difference was very small. Firm B showed high distribution in construction cost, site management skill and social awareness, but completion level and experience is lower compared to other 3 firms. Firm C had low distribution for every selection factor other than construction cost. Firm D shows very similar distribution pattern as firm A but lower distributions for construction completion level and ability to supply material.
외장 단열 마감 패널재의 실링 접합부 형태에 따른 성능 평가 연구
오상근(Oh Sang-Keun),박진상(Park Jin-Sang),서현재(Seo Hyun-Jae),이혜령(Lee Hye-Ryung) 대한건축학회 2011 大韓建築學會論文集 : 構造系 Vol.27 No.7
For energy savings in buildings, the external insulation method is recommended for ensuring the adiabatic performance. In using an external panel, there are a lot of researchs on the performance of external insulation panel itself, but there is not many researchs on the joint of panels. So, for this study, four kinds of joints as basic liner type joint, type shaped ‘T’joint(improved liner type), type shaped ‘ㅗ’joint with EPDM, and type shaped ‘I’joint were selected for assesment of panel joint. Test methods of four kinds of absorptiveness, permeability, fatigue resistance and tensile performance were quoted from the Korean Industrial Standards(KS). By analyzing the experimental results, it was observed that improved type procured better performance than basic type in common use and all types effected on performance by analyzing the experimental results.
AHP 분석 기법을 통한 대공간 막 구조물의 개폐부 수밀성능 평가지표 제안에 관한 연구
오상근(Oh Sang-Keun),안기원(An Ki-Won),이선규(Lee Sun-Gyu) 대한건축학회 2012 大韓建築學會論文集 : 構造系 Vol.28 No.9
Large-Span membrane structure than those in other countries so far, a brief history of Korea in the leaps and bounds, but it has made rapid progress. However, due to the short history and experiences of minority construction management aspects of the technology since the systematic accumulation and study skills are insufficient compared to the larger application of a retractable roof in the Large-Span membrane structure, too, the initial diffusion stage is applied to domestic cases as a fraction accordingly nothing more than a lack of research that is the reality. This Study on the proposal evaluation-index that through AHP analysis of sliding-roof joint watertightness in large-span membrane structures. In this study suggested a method of evaluating the watertightness perfomance of the joint part of sliding door in the roof of a large-span membrane structure.