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폐비닐과 폐전선 피복을 이용한 건축용 방수시트 개발을 위한 실험적 연구
고진수,김병윤,김한준,박성우 한국폐기물자원순환학회 2012 한국폐기물자원순환학회지 Vol.29 No.8
This study is to review its possibility of recycling, subject for Polyolefine (TPO) and Polyvinyl Chloride (PVC) among thermoplasticity plastic raw materials, of which recycling is possible. Wasted vinyl and processing by-products have been used for Polyolefine (TPO), and coating from used cable and its by-products used for Polyvinyl Chloride (PVC). The study result is shown as following. (1) In case of Polyolefine (TPO), superior property has been shown, when mixed with raw materials, as the property of by-products is excellent. For Polyvinyl Chloride (PVC), property in the same level as raw materials has been shown up to 50% of by-products mixing rates. (2) In case of coating from the used cable, the property as exactly same as raw materials without property loss has been shown since long time passed, with using highquality raw materials at that time of manufacture.
고진수,김병윤,서치호,이성복 대한건축학회 2009 Architectural research Vol.11 No.2
The purpose of this study is to investigate the problem of crack repair materials and methods in existing concrete structure and to propose the effective injection method on crack repair by packer type. The result of this study is as follows. It is investigated that the crack width in the inner matrix of concrete structure is decreased about 30-40% than that in the surface of the concrete structure. Also it is showed that the possibility which could be monolithic with injection part became higher if the injection part is installed near to surface of concrete on the punching method to vertical direction against crack area. The injection of repair material can be poured smoothly under about 10N/㎟ pressure on the condition that cracks are monolithic with injection part without dust by drill. The method which is effective injection for a repair material is the punching method in compliance with coredrill. But, the research continuously is necessary about minimum injection pressure.
지역의 경관을 고려한 도막방수재의 색채별 사계절 차열 및 축열 성능에 관한 연구
고진수,김병윤 한국농촌건축학회 2015 농촌건축 : 한국농촌건축학회논문집 Vol.17 No.2
This study comparatively analyzed thermal characteristics of the green color, which is currently used the most, and other various colors of a rooftop urethane water proofing sheet. This study also analyzed the cooling performance by color of the water proofing sheet that fused cooling paints, and presented the effective water proofing sheet color for building energy savings. The experimental results are as follows: (1) The value of L (brightness) diminished, and brilliance also became lower from the white color to the black color, and thus, it was confirmed that relatively more heat was absorbed. In a and b chromaticity, which is the color attribute that ignores brightness, no special relationship was identified. (2) Considering that the cooling performance effect is bigger in summer than winter, due to heat reflection, the white water proofing sheet is more effective in building energy savings than the green water proofing sheet that is currently used the most. (3) The water proofing sheet's color has an impact more on cooling performance than the color of the background side of a structure on which water proofing sheet is installed. The experiment object of gray, of which background side is similar to cement mortar, was lower by 5.7℃ than the white background side.
상변화물질을 사용한 시트형 및 파이프형 축열재의 축열성능 평가를 위한 모형실험 연구
고진수,김병윤,박성우,Ko, Jin-Soo,Kim, Byung-Yun,Park, Sung-Woo 대한건축학회 2012 대한건축학회논문집 Vol.28 No.5
In this paper, the phase change material (PCM) to increase the heat capacity of buildings is applied to building materials. The building materials use not only sensible heat but also latent heat so that the building materials are useful to maintain the pleasant indoor environment and to save the building energy. The purpose of this paper is to reduce the greenhouse gases due to building use. The model experimental research results are as follows. (1) The test shows that the sheet or pipe type heat storage materials are effective to reduce the daily temperature range, rather than the standard type. (2) The sheet type material has better capacity than the pipe type material to delay the increase in indoor temperature. (3) The building material mixing the phase change material can be useful to maintain indoor comfortably.