• 제목/요약/키워드: sheet waterproofing

검색결과 107건 처리시간 0.024초

폴리아마이드 필름이 코팅된 개량 아스팔트 방수시트의 SEM-EDX 분석을 통한 유기용제 저항성 확인 (Dissolution Resistance Property of Modified Asphalt Waterproofing Sheet Coated with Polyamide Film by SEM-EDX Analysis)

  • 안기원;유재용;오상근
    • 한국건축시공학회지
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    • 제17권5호
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    • pp.437-444
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    • 2017
  • 개량 아스팔트 방수시트 위에 폴리 우레탄 도막방수재가 도포되는 복합방수공법의 경우 시공성 향상을 위하여 도막 방수재에 유기용제를 희석해 사용하고 있지만, 유기용제가 폴리 우레탄 도막방수재의 완전 경화 전에 전부 휘발되지 못하고 시트재와 도막재 사이에 잔류하게 되고 이는 아스팔트 층을 융해시켜 방수층 손상 및 누수문제를 발생시켰다. 이에 용제에 의한 융해 문제를 개선하기 위해 내용제성이 강한 PA 필름을 개량 아스팔트 시트에 코팅(적층)하였고, 그 결과 융해에 대한 안전성을 육안을 관찰하였고, SEM 분석, EDX 분석을 통하여 PA 필름에 대한 내용제성을 정량적으로 확인하였다.

교량 바닥판 조건에 따른 교면방수 시스템의 인장접착 특성 (Tensile Adhesive Chracteristics of Waterproofing System for Concrete Bridge Decks)

  • 이병덕;심재원;박성기;김광우
    • 한국도로학회논문집
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    • 제4권3호
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    • pp.15-23
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    • 2002
  • 방수시스템의 거동은 재료 인자들의 복잡한 상호작용, 설계 상세, 그리고 시공의 질에 따라 결정되고, 방수성은 교면과의 접착성과 방수재의 손상정도에 의해 결정되는 것으로 알려져 있다. 따라서 본 연구는 현재 국내에 유통되고 있는 교면방수재의 종류별로 방수시스템의 성능을 현재 각 시공현장에서 하자의 원인으로 가장 빈번하게 발생되는 요인들을 중심으로 인장접착 특성을 비교하였다. 방수시스템에 대한 인장접착강도 시험 결과, 함수비 10% 이상에서는 무기질탄성계 도막방수재를 제외하고는 접착력이 감소하였으며, 바닥판 콘크리트 강도가 증가할수록 일반적으로 인장접착강도는 증가하였다. 또한 바닥판 콘크리트의 양생방법에 따라 내부의 공극구조 및 평탄성의 차이로 인해 수중양생한 시편이 전반적으로 접착력이 더 큰 것으로 나타났다. 아스팔트 혼합물 포설전 보다 아스팔트 혼합물 포설후 인장접착강도가 증가하는 경향을 나타냈지만 도막식의 경우, 오히려 감소하는 결과가 나타났다. 그리고 방수재 시공시 대기온도가 상승함에 따라 접착력이 저하되어 방수 시스템의 성능에 악영향을 미치는 것으로 나타났다.

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합성수지 메탈시트와 3면겹침용 채움재가 공법화된 합성고분자계 시트를 이용한 건식화 방수기술에 대한 실험적 연구 (Experimental Study on Dry Waterproofing Technology Using Synthetic Polymer Sheet Comprised of Synthetic Resin Metal Sheets and Tri-Layered Filler)

  • 구자응;김범수;이정훈;송제영;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2017년도 추계 학술논문 발표대회
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    • pp.139-140
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    • 2017
  • This technology employs a method of forming a single-ply PLUS waterproofing sheet layer comprised of applying a single-ply synthetic polymer layer on a vibrating structure (steel frame, RC) or an inclined surface by using a T joint lap-filling coil and an embedded metal coated sheet. The T - joint reinforcing lap-filling coil was used to block the ingress channel of the rainwater by applying the material in the vulnerable area where the three sides of the waterproof sheet overlapped. Conventional waterproofing techniques have a problem in that the waterproof sheet is pierced because the end portion of the waterproof sheet applied to the vertical portion is fixed by a nail, and the sealant applied to the end portion of the sheet cannot easily secure long-term waterproof durability due to the influence of the external environment. Therefore, the developed technology secured the waterproof durability against the vertical part by using the embedded metal sheet. In addition, automatic hot-air fusing is used to improve the quality of waterproof construction and point fixation method using fixed hardware. This is a technology that is not significantly restricted in the high degradation level regions of domestic waterproof construction environments in Korea such as low-temperature environment, wet floor.

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콘크리트 교면에 적용되는 시트방수재의 접합 인장강도 확인 (Overlap Tensile Strength testing of Waterproofing Sheet used in Concrete Bridges)

  • 안기원;강효진;선윤숙;김천학;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2018년도 춘계 학술논문 발표대회
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    • pp.335-336
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    • 2018
  • This study discusses the development of asphalt based waterproofing sheet applied on the blind side of the concrete substrate. The inorganic coating membrane is applied on top of the waterproofing sheet surface for protection, and adhesive bond to the concrete substrate surface is secured via hydration reaction the cement. The study reveals the experimental results of the overlap section tensile strength to observe the effects of the adhesion strength of this material.

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국내 발전소 지붕방수설계 시스템 및 단열 성능에 관한 연구 (A Study on the domestic power plant roof waterproofing system & insulation efficiency)

  • 정광호
    • 한국디지털건축인테리어학회논문집
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    • 제11권1호
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    • pp.33-42
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    • 2011
  • As the development of construction technology and new materials, building requirements has been varied gadually. Comfortable environment and serviceability of production activity and energy conservation are being dealt with very seriously. Recently localization of engineering technology of Power Plant, however, construction materials and domestic technology are being developed forcingly. According to above topics this thes is going to study roof waterproofing, thermal insulation and evaluate adiabatic performance and evaluation of properties of waterproofing materials and energy conservation. The results of studying and evaluating of roof waterproofing, thermal insulation and adiabatic performance of Power Plant are as follows. 1. Sheet waterproofing method is better than that of asphalt waterproofing method in that adaptability of wearhertight, thermal resistant, contraction and expansion. 2. It is required to replace polyurethane or ethylene used as thermal insulation with rock wool which is noncombustible materials. 3. It is recommended to usd outer insulation method than inner insulation method due to superioty of outer insulation method. Efficiency of insulation materials used in power plant is generally good except perlite mortar used in the power plant(YGN 1-2, GRI 1-2).

합성고분자계 방수시트를 이용한 옥상 복합방수공법의 접합부 이격거리 및 형태별 인장성능 변화에 관한 연구 (Research on Change of Tensile Strength with Joint Distance and Form in the Roof Composite Waterproofing Method for Synthetic Polymer Waterproofing Sheet)

  • 고건웅;허능회;김윤호;박진상;송제영;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2012년도 춘계 학술논문 발표대회
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    • pp.65-67
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    • 2012
  • The butt-joint system is widely used as the method of roof composite waterproofing system. However, there is stilll no objective research about proper distance, and proper structure associated with the performance in butt-joint system. In this research, we find proper distance and proper structure in butt-joint system through tensile strength test at joint, and comparative analyze with practical construction material of composite waterproofing sheet.

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EVA방수시트의 접합부 열풍융착 시 융착속도 변화에 따른 접합 인장강도 변화 추이 연구(하절기 중심으로) (A Study on Trend of Joint Tensile Strength with Joint Hot Air Welding Speed in EVA Waterproofing Sheet (Focusing on the summer Season))

  • 김선도;안현호;박완구;김동범;박진상;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2016년도 춘계 학술논문 발표대회
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    • pp.217-218
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    • 2016
  • Sheet based waterproofing methods are factory produced and have a advantage or forming uniform waterproofing layer in construction sites, allowing them to become a commonly used material domestically. Particularly in the case of EVA waterproofing sheets, they can be manufacturing using recycled materials and are thus increasing in application due to their eco-friendly factors. However, heating adhesion method has to be used in case of overlapping areas of waterproofing sheets, but not enough studies have been made on the adhesion stability based on different heat adhesion speed. In this paper, EVA sheets have been studied with their overlap area properties following a heat adhesion method in wintertime ambient conditions and have been observed for the changes in the tensile strength based on different head adhesion speed and rates. According to the results, 6~7m/min adhesion speed was shown to have produce the best tensile strength.

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고주파 유도가열 장치를 이용한 알루미늄 박판 점착 복합방수시트 조인트부의 시공성 (Constructability of a Waterproofing Sheet Joint Combining an Aluminum Thin-film and Viscosity Layer Using a High-frequency Inductive Heating Apparatus)

  • 장상묵;김윤호;최성민
    • 한국건축시공학회지
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    • 제14권2호
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    • pp.163-169
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    • 2014
  • Engineers in the construction field have been using bonded waterproofing sheets in an attempt to resolve the imbalance in the quality, the risk of fire, safety of workers, and environmental pollution, as well as to eliminate separate use of organic adhesives on the surface of concrete. Recently, self-laminated waterproofing sheets have been developed. The purpose of this research is to find an appropriate processing speed according to the changes in physical properties, and visual observation of the waterproofing sheets laminated by the aluminum thin-film and viscosity layer that can be attached through self-adhesiveness on the surface of concrete and waterproofing sheets. Therefore, this research is conducted using a physical performance test. Based on the result of the test, when the high-frequency inductive heating apparatus was used, an improved adhesion and bonding stability effect were confirmed after the anti-hydrostatic pressure and bond strength in the temperature condition, and the surface observation in the processing speed condition.

EVA개질 투명시트와 부직포를 열풍 점융착한 일체형 방수시트를 이용한 터널방수공법에 관한 연구 (A study on the EVA reforming processes transparency sheet and nonwoven warm air point adhesion using of tunnel waterproofing method.)

  • 선윤숙;김점술;김수련;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2005년도 춘계 학술기술논문발표대회 논문집
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    • pp.185-190
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    • 2005
  • Safe, economical and environment-friendly tunnel construction are required again along with social continuous development, the importance of waterproof work that is portion that actually all of user and builder can find that is embossed by tunnel construction's one of important construction. Also, ECB (Ethylen Copolymer Bitumen) sheet that is used in existing tunnel waterproofing method (ECB waterproofing method) being black because asphalt (Bitumen) is added, by purpose that make illumination of tunnel interior brightly and scar discovery eases in sheet with coating white film, but ECB that is used present according as ECB that asphalt is added does not satisfy high tensile strength of construction field, quality standard of extension. Also ECB denigrates color of black M/B that asphalt is excepted.

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콘크리트 구조물 방소에 ASPHALT MASTIC 도막 및 SHEET 복합방수공법의 적용에 대한 연구 (Application for a Composite Waterproof Method of Asphalt Mastic Film and Sheet on Concrete Structures.)

  • 임채중;배문옥
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 2000년도 가을 학술발표회논문집(I)
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    • pp.793-800
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    • 2000
  • This is a double Composite Waterproofing Method of Mastic Asphalt Film ad Sheet(MAS) on concrete structure and its working method. MAS is characterized as having excellent strength and adhesion to concrete. To make a good waterproofing system, it is needed the information on the performance tests. The designer should choose a material that can be applied in almost all conditions. During their service life, Underground spaces have been keeping to dry enough for habitable or utilitarian used. This method is of use for waterproofness in various spaces.

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