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외단열 고정 방법에 따른 접착강도 기준의 제정 방안에 관한 연구
박완구(Park, Wan-Goo),박진상(Park, Jin-Sang),송제영(Song, Je-Yeoung),오상근(Oh, Sang-Geun) 대한건축학회 2013 大韓建築學會論文集 : 構造系 Vol.29 No.1
Energy issues is accelerated. As a result, insulation method is being applied actively in the buildings. External insulation method is efficient batter than other insulation method and it is applied on the external wall of the building actively. Apply method of external Insulation is divided Wet Construction, Dry Construction, Semi-Dry Construction. Wet Construction is adhesion method on the buildings using mortar of adhesion. Dry Construction is adhesion method on the buildings using anchor except water. Finally, Semi-dry Construction is adhesion method on the buildings using anchor + mortar. But When the strong wind blows, method of external Insulation is occurring problem of drop out in the rainy season. Therefore, this research progress enactment plan of standard of bonding strength in bonding part of external insulation method of wet construction, dry construction, semi-dry construction. The results of this research, Adhesion of Semi-Dry Construction is best than other methods. Should try to use based on the adhesion strength standard on the basis of the results as described above.
우리나라 폐석재, 폐석분 발생량 통계 조사 및 이를 활용한 시멘트계 인조대리석 내·외장재 개발에 따른 성능검증 시험 표준안 개발
박완구(Park, Wan-Goo),김수연(Kim, Su-Ryon),허능회(Heo, Neung-Hoe),안기원(An, Ki-Won),오상근(Oh, Sang-Keun) 한국건설순환자원학회 2013 한국건설순환자원학회지 Vol.8 No.1
화강석의 채취 또는 가공 과정에서 발생되는 폐석재 및 폐석분의 경우는 일부 순환골재로만 재활용되고 있고, 이를 제외한 나머지는 대부분 불법 매립되거나, 무단방치 되어 사회적으로 물의를 빚고 있다. 이와 같이 방치되고 있는 폐석재 및 폐석분을 활용해 시멘트계 인조대리석 내 외장패널을 개발하는 연구가 진행되고 있지만, 이를 검증할 수 있는 품질 기준(표준)이 부재하여 성능검증 및 품질확보에 대한 문제점이 남아있는 실정이다. 따라서 본 논문에서는 폐석재, 폐석분(순환자원)을 활용한 인조 대리석 패널의 개발에 따른 품질(성능)을 객관적으로 평가할 수 있는 성능검증 기준(표준)안 마련을 위하여 우리나라의 폐석재 및 폐석분의 배출 현황 자료 조사를 통하여 기초 통계 자료를 마련하고, 국내외 관련 규격 조사를 통하여 폐석재 및 폐석분을 활용한 인조대리석이 갖추어야 할 기본 성능 검증 항목을 도출하고자 한다. 또한, 이를 토대로 폐석재 및 폐석분을 활용한 내 외장용 시멘트계 인조대리석 품질검증 표준안을 개발하고자 한다. Waste Stone and Waste Stone Powder are recycling some cyclic aggregate only. And the greater part of Waste Stone and Waste Stone Powder are reclaining or neglecting. To solve this problem, the government is proceeding development of cementitious scagliola using waste stone and waste stone powder. However, quality standard for cementitious scagliola using waste stone and waste stone powder has not been established. So cementitious scagliola using waste stone and waste stone powder has problem of quality assurance. Therefore in this study, developed standard for Evaluating Performance of cementitious scagliola using waste stone and waste stone powder through survey of international standard.
점착유연형 고무 아스팔트계 누수보수용 주입형 실링재의 내화학 시험방법 개선 연구
박완구 ( Park Wan-goo ),김동범 ( Kim Dong-bum ),박진상 ( Park Jin-sang ),김선도 ( Kim Sun-do ),김병일 ( Kim Byoung-il ),오상근 ( Oh Sang-keun ) 한국건축시공학회 2017 한국건축시공학회 학술발표대회 논문집 Vol.17 No.1
In this stduy, we will references to provide reasonable basis for the test environments applicable to the chemical resistance test covered by KS F 4935『Injection-type Sealing Materials for Water Leakage Crack of Adhesive and Flexible Rubber Asphalt』, analyze the problems with the current test methods in consideration of the features of materials. As a result, we assured more objective data in improved chemical resistance test methods.
폴리우레아 방수재의 탄소섬유함량에 따른 내열성능 변화추이 연구
박완구 ( Park Wan-goo ),박진상 ( Park Jin-sang ),최수영 ( Choi Su-young ),김동범 ( Kim Dong-bum ),김병일 ( Kim Byoung-il ),오상근 ( Oh Sang-keun ) 한국건축시공학회 2017 한국건축시공학회 학술발표대회 논문집 Vol.17 No.2
This study investigates the effect of improving the heat resistance performance when carbon fiber is mixed in the polyurea coating material. A tensile strength test method was carried out with the carbon fiber mixed polyurea specimens at an interval of 7, 14, and 21 days after heat treatment at 140±2℃. The test results showed that there was a significant decrease in the tensile strength performance. While the elongation and tensile performance decreased greatly, it was confirmed nevertheless the overall performance was maintained. This study proposes that mixing carbon fiber to the polyurea resin can effectively secure long-term heat resistance, thereby solving the problem of deterioration of physical properties caused by exposure to ultraviolet rays.