• 제목/요약/키워드: waterproofing membrane

검색결과 88건 처리시간 0.023초

Life cycle assessment (LCA) of roof-waterproofing systems for reinforced concrete building

  • Ji, Sukwon;Kyung, Daeseung;Lee, Woojin
    • Advances in environmental research
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    • 제3권4호
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    • pp.367-377
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    • 2014
  • In this study, we investigated a life cycle assessment (LCA) of six roof-waterproofing systems [asphalt (C1), synthetic polymer-based sheet (C2), improved asphalt (C3), liquid applied membrane (C4), Metal sheet with asphalt sheet (N1), and liquid applied membrane with asphalt sheet (N2)]for reinforced concrete building using an architectural model. To acquire accurate and realistic LCA results, minimum units of material compositions for life cycle inventory and real data for compositions of waterproofing materials were used. Considering only materials and energy demands for waterproofing systems per square meter, higher greenhouse gas (GHG) emissions could be generated in the order of C1 > N2 > C4 > N1 > C2 > C3 during construction phase. However, the order was changed to C1 > C4 > C3 > N2 > N1 > C2, when the actual architecture model was applied to the roof based on each specifications. When an entire life cycle including construction, maintenance, and deconstruction were considered, the amount of GHG emission was in the order of C4 > C1 > C3 > N2 > C2 > N1. Consequently, N1 was the most environmental-friendly waterproofing system producing the lowest GHG emission. GHG emissions from maintenance phase accounted for 71.4%~78.3% among whole life cycle.

콘크리트 구조물의 내구성 증진을 위한 돌기입체형 방수시트를 이용한 충전형 옥상복합 방수재료의 실험적 연구 (Experimental Study of Waterproofing Sheet using coat Material filling into the Protuberance to Improve the Durability for Concrete Structure)

  • 김진성;박진상;정춘수;오상근
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 2006년도 추계 학술발표회 논문집
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    • pp.649-652
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    • 2006
  • The exist waterproofing membrane cause not to assure proper thickness in constructing. It become a serious problem which as decreasing of durability, waterproofing membrane to be tom and break down. Therefore, it is necessary that the expert have to construct waterproof works,, if not, it can be frost and thawing or chemical corrosion called one of the reason in maintaining the safety of concrete structure. In summarize, for this paper, it would be understand that exposed and compound experimental study of waterproofing sheet using coat material filling into the protuberance to improve the durability for concrete structure can widely apply to field to solve the these significant problem.

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Non-destructive Leakage Location Analysis Method in Substrate Behavior Response Testing of Waterproofing Membrane Systems using Thermal Emission Camera

  • 오규환;강파;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2017년도 추계 학술논문 발표대회
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    • pp.47-48
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    • 2017
  • The substrate behavior response testing outlined in KS F 2622 evaluates the leakage cause of waterproofing membrane systems when subjected to the concrete joint load behaviors by removing the waterproofing layer after testing, relying mostly on visual observation and subjective analysis. A non-destructive leakage cause and failure type analysis method is proposed currently in this study by the means of detecting leakage paths using thermal emission imaging systems. Test specimens are placed in varying temperature conditions after the concrete joint movement testing and are scanned using the thermal emission camera to determine the location and dimension of the adhesion failure/leakage path beneath the waterproofing membranes.

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복합계 멤브레인 방수층의 수밀성 시험 평가방법 개선방안 연구 (Improvement of Watertightness Evaluation Method in Waterproof Membrane)

  • 김명지;선윤숙;김수연;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2018년도 추계 학술논문 발표대회
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    • pp.50-51
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    • 2018
  • Although the introduction of new materials and new construction methods and overseas materials has become more active due to the diversification of the construction market, the quality standards of waterproofing methods in Korea are insufficient. In particular, the quality control standard is applied to the KS F 2622:08 (Membrane Waterproofing layer performance test method), which is the existing standard, to prepare standards for quality control of waterproof materials, which is increased in Korea.

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재활용 소재를 활용한 친환경 노출형 폴리우레탄 도막방수재 개발에 관한 연구 (A Research on Development of Eco-friendly Polyurethane Waterproofing Membrane Coating of Exposed Type)

  • 김동범;허능회;오제곤;고건웅;고장렬
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2014년도 추계 학술논문 발표대회
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    • pp.161-162
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    • 2014
  • The subject of this study, Eco-friendly Polyurethane Waterproofing Membrane Coating of Exposed Type is manufactured by replacing environmental hazardous substance such as Toluene, Dioctyl Phthalate with Dimethyl Carbonate, waste-soybean oil. As part of existing filler is also replaced with waste-rubber chip and waste-soybean oil. As a result of environment friendly tests, in test of detection of VOCs case was contented with the Ministry of Environment standards at 5% below. Testing methods for heavy metal extracted was contented with standards for official wastes test method. So it is judged that environment friendly is secured.

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고정형 스크류 혼합 방식을 이용한 초속경 도막방수층 에어 셀 구조의 수증기투과성에 관한 연구 (A Stud on the Water Vapor Permeability of Air Cell Structure of Ultra Rapid Harding Membrane Waterproofing Using Fixed Screw Hybrid Method)

  • 김윤호;김현민;박진상;송제영;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2013년도 춘계 학술논문 발표대회
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    • pp.225-226
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    • 2013
  • Existing polyurethane membrane waterproofing has been raised defects such as heaving. Therefore, We will be utilizing as the basic experimental data by the water vapor permeability test to the air cell structure of ultra rapid harding membrane waterproofing using the static mixing system in this study.

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계열별 교면 방수시스템의 품질관리 지침(안) 고찰 (Quality Control Recommendation with Waterproofing Membrane Type of Waterproofing System for Concrete Bridge Decks)

  • 이병덕;박성기;심재원;정해문;김광우
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 2002년도 봄 학술발표회 논문집
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    • pp.367-372
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    • 2002
  • The waterproofing systems of concrete bridge deck are installed under the complex circumstances, such as traffic loading, weather, and the condition of the deck concrete. For assuring the effectiveness of waterproofing system, the materials and the construction method and timing ought to be suitably selected with the procedures of waterproofing and the system has to ensure the economical performances. First of all, we discussed whether the quality and performance criteria for highway bridge deck are resonable or not through the investigation of domestic and foreign criteria. The basic properties of waterproofing membranes on market and the performance of waterproofing systems of concrete bridge deck have also been investigated in the view of the damages frequently reported from job site. In this way, the causes and measures of damages, the guidelines of design, construction, quality control, and maintenance, the test methods and criteria of membranes and waterproofing system, are proposed.

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비노출 방수층의 윤하중 시험 및 평가방법 개발에 관한 실험적 연구 (A Study on the Development of the Wheel Tracking Test and Evaluation Method on Blind Type of Waterproofing Layer)

  • 송제영;엄덕준;곽규성;오상근
    • 한국건축시공학회지
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    • 제6권1호
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    • pp.67-72
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    • 2006
  • There are a lot of problem about waterproofing membrane coating for concrete deck of bridge and waterproofing sheets for concrete of deck of bridge because it couldn't confirm waterproofing's defeat after construction. These problems make a waterproofing material damage and condrete deck of bridge damage. So It needs a lot of money for repair work and reinforcement work. Therefor the structure slab of using waterproofing material protect invasion of water. Also, Concrete deck of bridge need a endurance permeability for the reduction repair payment. In this study, An experimental study on the quality standardization test method waterproofing layer on working of live load.

온도조건이 교면방수시스템의 인장접착특성에 미치는 영향 (The Effects of Temperature Conditions on the Tensile Adhesive Characteristic of the Bridge Decks Waterproofing Systems)

  • 이병덕;박성기;김도형;옥창권
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 2003년도 봄 학술발표회 논문집
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    • pp.293-298
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    • 2003
  • In this study, tensile adhesive strength(TAS) test was carreid out for evaluated the effects of temperature conditions(-20, -10, 5, 20, 30, $40^{\circ}C$) on the tensile adhesive characteristics about six waterproofing membranes which were commercially used in bridge decks. And, failure appeariences of waterproofing systems in each temperature were investigated and observed the sawing surfaces of waterproofing systems for whether or not damaged of waterproofing membranes. TAS test results were increased when test temperature was decrease in all waterproofing membrane. The type of failure was ductile in $30^{\circ}C$ and $40^{\circ}C$, but brittle failure below $20^{\circ}C$. This results were shown that if temperature above $30^{\circ}C$ is continued for a long time, waterproofing material will be damaged by softening and a part of membranes were damaged by hot aggregate in SMA. So we will consider the type of asphalt for choice of the waterproofing membranes.

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이동하중이 작용하는 비노출 방수층의 윤하중 시험방법 및 평가에 관한 연구 (A Study on the Blind Type of Waterproofing Layer of Wheel Tracking of Test Method and Valuation on Working of Live Load)

  • 엄덕준;선윤숙;권시원;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2005년도 추계 학술논문 발표대회
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    • pp.1-5
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    • 2005
  • There are a lot of problem about waterproofing membrane coating for concrete deck of bridge and waterproofing sheets for concrete of deck of bridge because it couldn't confirm waterproofing's defeat after construction. These problems make a waterproofing material damage and concrete deck of bridge damage. So It needs a lot of money for repair work and reinforcement work. Therefor the structure slab of using waterproofing material protect invasion of water. Also, Concrete deck of bridge need a endurance permeability for the reduction repair payment. In this study, An experimental study on the quality standardization test method waterproofing layer on working of live load

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