• Title/Summary/Keyword: Waterproofing

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An Experimental Study on the Roof Composite Waterproofing Method for Membrane & Sheet Integrated Waterproofing Material (도막.시트 일체형 방수재를 이용한 옥상용 복합방수 공법에 관한 실험적 연구)

  • Oh Mi-Hyun;Park Jin-Sang;Choi Sung-Min;Park Young-Tea;Oh Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2006.05a
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    • pp.31-34
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    • 2006
  • In this study on the appliable Asphalt sheet of monolithic and inorganic matter waterproofing material using of field because of problem of complex waterproofing sheet. Before this cement polymer modified waterproof coating and appliable asphalt sheet of monolithic whether have stability by method of construction about all style waterproofing that evaluate to new method of construction development naturally big emphasis put and try to approach. Did performance test item first at, as a result, drew by suitable thing in all KS items. This is considered to have more effective spot construction work because if means that have stability by material as well as method of construction.

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An Experimental study on the Construction Standard for Sealer of Injection Type for Leakage Maintenance (누수보수용 주입형 실링재의 시공 기준에 관한 실험적 연구)

  • Lim Min-Chan;Cho Il-Kyu;Seon Yun-Suk;Oh Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2005.11a
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    • pp.51-54
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    • 2005
  • The concrete structure hasn't perfect waterproofing performance but if it doesn't have a joint part that could isolate a permeability. Concrete structure(communication tunnel and underground structure) has an expansion joint and construction joint. There are a lot of joint type after construction or expansion, shrinkage, vibration, over load, performance of decline etc.. they offer a water of way by variety change. In this reason, It carries in effect a waterproofing work for the concrete structure of waterproofing. but the structure has a behavior that cause a problem by waterproofing layer of damage, heaving phenomenon, temperature of shrinkage. In this study, we will estimate a field of application for Sealer of injection type for leakage maintenance of construction standard on the waterproofing performance.

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A Basic Study on Evaluation Method and Performance of Membrane Waterproofing Layer (멤브레인 방수층 성능 및 평가방법에 관한 기초적 연구)

  • 오미현;권시원;강효진;정희원;최인성;오상근
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2003.05a
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    • pp.17-21
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    • 2003
  • This study is mainly acceptive for physical material performance than waterproofing layer performance on the external condition after construction. The reason are legalized only for material performance duality standard even though it is existed waterproofing materials for membrane. In actuality, waterproofing layer are greatly occurred in performance a decreased developing essential element that are human footprints as a result physical perimeter environment after construction and on the construction. As the result, this present paper purpose for evaluation and performance of the membrane waterproofing layer on the construction.

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An Study on the Non-Exposure Waterproofing Method Laminated Twist Glass Fiber Mesh on Self Adhesion Butyl Rubber Sheet (자착식 부틸고무시트에 다발형 유리섬유직포를 적층한 비노출방수공법에 관한 연구)

  • Bang, Myung-Jin;Park, Jin-Sang;Kang, Hyo-Jin;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2007.04a
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    • pp.133-136
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    • 2007
  • It has been applied the self adhesion waterproofing sheet which is developed from exist asphalt waterproofing sheet by heat and torch in domestic construction field. However, the problem of waterproofing have constantly happened due to air pocket condition and defect of joint part in waterproofing construction. Therefore, in this study, we would like to analyze the field application as testing in side of materials and construction method of self adhesion butyl rubber sheet and study of the materials performance.

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Proposed Development and Evaluation System for Existing Standardized Waterproof Technology Assessment Methods (표준화된 방수기술 평가기법 개발 및 평가체계 구축)

  • Song, Je-Young;Lee, Sun-Gyu;Choi, Eun-Kyu;Lee, Jung-Hun;Kim, Byoungil;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2018.05a
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    • pp.341-342
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    • 2018
  • Waterproofing materials and construction methods have been developed and applied to various construction sites since the past. However, there many cases where the waterproofing performance is not satisfactory, leading to continuous water leakage. It has been observed that a key reason for this is because waterproofing method and material selection is not optimized in terms of the appropriate application area and environmental degradation factors. This paper proposes that future selection of waterproofing methods should consider the following evaluation criteria; 1) waterproof performance evaluation according to site conditions, 2) evaluation of construction method, 3) manufacturing and maintenance of waterproofing systems.

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A study on the proposal of test condition for apartment bathroom dry waterproofing method for synthetic polymer based waterproof sheet (EPDM) (공동주택 욕실 건식방수공법의 성능시험조건 제안 연구 - 합성 고분자계 방수 시트(EPDM)를 대상으로 -)

  • Seo, Hyun-Jae;Lee, Jung-Hun;Song, Young-Chan;Kim, Yong-Ro;Kim, Byoung-Il;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2018.05a
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    • pp.281-282
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    • 2018
  • Recently, apartment houses are becoming more and more sophisticated and attention has been focused on the design of the interior of the bathrooms. As bathrooms always use water, the importance of waterproofing is very high. However, there continues to use the method that was used 30 years ago. And no one was trying to improve. It is necessary to be converted to a dry method, because waterproofing methods and materials have developed. Therefore, this study proposes the required performance before applying the dry waterproofing material to bathroom.

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Waterproofing Method for Waterproof Design of Underground Floor and Exterior Wall of Residential Buildings (공동주택 지하바닥 및 외벽부위 방수설계를 위한 방수공법 제안)

  • Lee, Jung-Hun;Seo, Hyun-Jae;Choi, Eun-Kyu;Song, Je-Young;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2019.11a
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    • pp.233-234
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    • 2019
  • Research has begun to change the waterproofing design of domestic underground structure parts from the current negative-side waterproof design to the positive-side waterproof design. For this, active review from the design stage to prevent the ingress of external ground water into the waterproofing measures of the underground of apartment buildings is needed. Therefore, in this study, proper waterproofing method for the major leaks identified in the previous studies and a waterproofing method for the waterproof design of the underground floor and the outer wall is proposed. It is hoped that a follow-up study, such as a review of field applicability, for the proposed methods will provide an alternative to secure leakage stability in waterproof design.

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Proposed Development and Evaluation System for Existing Standardized Waterproof Technology Assessment Methods(Production technology, maintenance evaluation) (표준화된 방수기술 평가기법 개발 및 평가체계 구축 (생산기술, 유지관리 평가 중심))

  • Song, Je-Young;Seo, Hyun-Jae;Choi, Eun-Kyu;Lee, Jung-Hun;Kim, Byoungil;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2019.11a
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    • pp.235-236
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    • 2019
  • Waterproofing materials and construction methods have been developed and applied to various construction sites since the past. However, there many cases where the waterproofing performance is not satisfactory, leading to continuous water leakage. It has been observed that a key reason for this is because waterproofing method and material selection is not optimized in terms of the appropriate application area and environmental degradation factors. This paper proposes that future selection of waterproofing methods should consider the following evaluation criteria; 1) waterproof performance evaluation according to site conditions, 2) evaluation of construction method, 3) manufacturing and maintenance of waterproofing systems.

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A Study on Performance Test Method of Polyurea Waterproofing System Applied to the Concrete Water Tank (콘크리트 수조에 적용되는 폴리우레아 방수방식 공법의 내구성 향상을 위한 시험 평가 방법에 관한 연구)

  • DO, Kwang-Ku;Song, Je-Young;Kim, Byoungil;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2020.06a
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    • pp.12-13
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    • 2020
  • Construction projects and buildings are becoming taller and larger, and the size of water tanks of production facilities and high-rise buildings is also gradually increasing. Most large water tanks apply a waterproofing layer to the water tank type concrete structure. The application of polyurea coating materials, which are excellent in water resistance, chemical resistance, physical performance, rapid hardening, and workability is gradually increasing as waterproofing and anticorrosion layer for water tank. As a result, defects such as water leakage and damage to the waterproofing layer are continuously occurring, causing production disruption, setback to users. Therefore, it is required to review suitability through performance verification of the waterproofing and anticorrosion system.

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Anti-Seismic Evaluation of Waterproofing Materials for Positive-Side wall and pile wall of Underground Concrete Structures (합벽구간 및 지하구조물 외벽에 사용되는 방수재료 내진 성능실험방법)

  • Oh, Kyu-hwan;Kim, Soo-Yeon;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2021.11a
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    • pp.210-211
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    • 2021
  • This study introduces and demonstrates the application of an experimental regime for anti-seismic performance evaluation of waterproofing materials to used for concrete pile walls. Concrete pile walls are subject to high degree of seismic load, and the occurring stress can affect the waterproofing integrity of the structure, but there is currently no existing methodology or standard for evaluating this property of waterproofing materials. To propose and conduct this evaluation, a new testing apparatus was designed and manufactured intended to be able to test an installed waterproofing material's seismic resistance performance.

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