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피톤치드를 함유한 기능성 시멘트 경화체의 특성에 관한 연구
김현성 ( Kim Hyeon-sung ),김선아 ( Kim Sun-a ),박선규 ( Park Sun-gyu ) 한국건축시공학회 2018 한국건축시공학회 학술발표대회 논문집 Vol.18 No.2
The development of the industry has increased the indoor living time of modern people. Therefore, indoor pollution is attracting attention as a social issue. One of the indoor air pollution is formaldehyde. Formaldehyde has been classified as a first-level carcinogen by international cancer research organizations. Formaldehyde has been used to protect products such as construction materials and finish materials, and being diffused in the interior construction process. In this study, we used phytoncide with cement matrix to reduce formaldehyde, an indoor environmental contaminant. The strengths was increased slightly and formaldehyde showed a reduction effect over time.
김현성 ( Kim Hyeon-sung ),김선아 ( Kim Sun-a ),박선규 ( Park Sun-gyu ) 한국건축시공학회 2018 한국건축시공학회 학술발표대회 논문집 Vol.18 No.1
Most finishing materials are vulnerable to durability, humidity resistance and fire. And those products used formaldehyde to protect, during the manufacturing process. Also most finishing materials used adhesives to construction process indoor. All of these elements are major causes of releasing formaldehyde. In this study, concrete used by phytoncide was examined to remove the formaldehyde. As a result of the experiment, we found that compressive strength was increased and formaldehyde effectively removed by using mixture of cement matrix and phytoncide.
거푸집 재료에 따른 시멘트경화체의 광택도에 관한 실험적 연구
김현성 ( Kim Hyeon-sung ),정용훈 ( Jung Yoong-hoon ),박선규 ( Park Sun-gyu ) 한국건축시공학회 2019 한국건축시공학회 학술발표대회 논문집 Vol.19 No.1
The exterior finish not only has a relationship to the functionality of building, but also the spatial aesthetics and visual perception. Common exterior finishes are wood, stone or acrylic based and etc. However, these finishes have different attributes which can alter the quality of the architecture, such as durability, moisture and fire resistance. To make up for the short-comings of these materials, we have used iron based resources for optimization. However, iron materials are expensive, so they have limitations in general use. In this study, we have experimented with various forms of exterior finishes using cement, which is the most efficient and widely used building material with several economic advantages. We experimented with different materials to use as the formwork for the gloss of the cement matrix. As a result, the gloss show that order of urethane, steel, and wood material.
실내 공기질 개선을 위해 피톤치드를 혼입한 시멘트 경화체 특성에 관한 실험적 연구
김현성 ( Kim Hyeon-sung ),정용훈 ( Jung Yoong-hoon ),박선규 ( Park Sun-gyu ) 한국건축시공학회 2019 한국건축시공학회 학술발표대회 논문집 Vol.19 No.2
Formaldehyde has been classified as a first-class carcinogen by international cancer research organizations. Formaldehyde causes various diseases such as sick house syndrome, building syndrome, chemical sensitivity etc. Formaldehyde is diffused from building materials and furniture. It has been published that research of phytoncide can reduce formaldehyde. In this study, we used phytoncide with cement matrix to reduce formaldehyde. As a result, the cement matrix strengths was increased slightly and formaldehyde has been reduced over time.
김현성(Hyeon-Seong Kim),한동훈(Dong-Hoon Han),김평중(Pyung-Joong Kim),임효혁(Hyo-Hyuc Im),한상천(Sang Chun Han) 한국마린엔지니어링학회 2007 한국마린엔지니어링학회 학술대회 논문집 Vol.2007 No.-
The field survey including bathymetry, tide, tidal current, suspended sediment concentration and bottom sediment was performed to investigate characteristics of oceanography in the vicinity of Suckmodo.