• 제목/요약/키워드: construction waterproofing

검색결과 336건 처리시간 0.021초

합성고무 폴리머 겔과 구리 방근시트를 이용한 P.C 쌍아치 터널 구조물 방수기술 (Waterproofing technology for PC double arch tunnel using synthetic rubber polymer gel and cooper sheet for root barrier)

  • 이종용;박상태;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2020년도 가을 학술논문 발표대회
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    • pp.44-45
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    • 2020
  • The purpose of this study was to contemplate the effectual waterproofing materials and construction methods for the restoration of underground infrastructures using precast arches(PC-Arch). Until now, there were no proper waterproofing guidelines for waterproofing precast arch tunnel when restoring cultural heritage or building underground infrastructures for noise control. Asphalt membrane sheets were commonly used, but the efficacy of waterproofing done on the precast segment was vulnerable. This study aims to examine the Synthetic Rubber Polymerised Gel(SRPG) proposed in ISO TR 16475, a guideline for the repair of water-leakages, and to demonstrate field applicability based on the waterproofing solution used on the road improvement project in front of Changgyeonggung Palace in Yulgok-ro, Seoul, Republic of Korea.

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비노출 방수층에 작용하는 정하중과 동하중 작용 후의 방수층 물성변화에 관한 연구 (A Study on the Change of Physical Capability of Waterproofing Layer after the Application of Static Load and Moving Load to a Non-Exposed Type Waterproofing Layer)

  • 선윤숙;김진성;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2007년도 춘계학술논문 발표대회
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    • pp.141-145
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    • 2007
  • The part in the structure that is most affected by changes of external temperature is the protective concrete layer that protects a waterproofing layer. Also, the waterproofing layer that is situated under or on the back of such a protective concrete layer is affected by temperature and the behavior of the protective concrete layer under the condition of consolidation or close adhesion. In particular, in many cases, the damage is serious mainly around the projection (such as a parapet), crack, and joint (expansion joint). However, there is no proper way of examining again the non-exposed waterproofing layer once it has been constructed. Therefore, there is an assessment only on the physical property of materials and the capability of the layer in construction, and there is no actual assessment in consideration of its environmental condition or the condition of the use of buildings after construction. Therefore, in order to create more pleasant buildings and to enhance the durability of structures, this study conducts research into the change of capability of non-exposed waterproofing material after the application of a static load and moving load on the waterproofing layer situated under or on the back of protective concrete.

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페놀 변성 폴리아민계 내오존도료를 이용한 고도정수처리장의 방수$\cdot$방식 공법에 대한 현장 적용성 평가에 관한 연구 (A study on the evaluation of field application for the waterproofing or corrosion proof construction method, as coating high quality filtration plant with ozone resistance paints of phenol degeneration polyamine)

  • 정문정;권시원;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2005년도 추계 학술논문 발표대회
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    • pp.33-38
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    • 2005
  • It is applied in the high quality equipment construction by introduction of this high duality treating technology (ozone treating, activated carbon treating, high quality oxidation treating, UV treating etc.)waterproofing or corrosion proof method caused secondary economy damage of operation discontinuance and high quality treating equipment for applying existent waterproofing method that corrosion proof ability (ozone resistance performance, chemical resistance etc.) and abrasion resistance performance by comprehension insufficiency of user and designer. Therefor, In this study, we will analyze problem of waterproofing and corrosion material of existing construction application by high quality treating, and measure physical performance change by various condition. It is required to waterproofing and corrosion system and application of the field valuation.

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공동주택 지하부위 방수시공 디테일에 관한 연구 (A study on the Construction Detail of Waterproofing in Underground of Apartments)

  • 이정훈;김범수;송제영;김수연;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2017년도 추계 학술논문 발표대회
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    • pp.215-216
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    • 2017
  • Existing studies highlights the problems about the negative-side waterproofing design of apartment complex underground structures. This study suggests the alternatives for waterproof design construction details of as a solution, and a review on the applicability of this new construction design details through a mock-up construction is provided.

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망사형 PE직물과 고점도 우레탄을 이용한 복층형 노출 방수공법에 관한연구 (A Experimental Study on the Complex Waterproofing Method of Exposure using PE Textiles of Mesh type and Highly Viscous Urethane)

  • 소욱동;송제영;김영석;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2011년도 춘계 학술논문 발표대회 1부
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    • pp.127-130
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    • 2011
  • The duplex waterproofing construction method has been investigated to improve various problems (how to fix the sheet, breaking, air/water pocket, and cracks caused by different materials) of the existing rooftop exposed waterproofing construction method. By using fiber sheet, Net PE fabric, and thixotropy urethane with high viscosity, the waterproofing construction method is to glue the ground and waterproof course by circular dot. The method is also to construct the waterproof course with high hardness by using waterproof membrane coatings in upper hybrid system. By gluing the ground and the waterproof course by circular dot, the study is expected to be useful to minimize the simultaneous breaking in the waterproof course as tensile stress is buffer in case of the ground crackling. Also, since the waterproofing construction method is good at moving and emitting vapor from the ground, it is considered to be effective to minimize any damages caused by air/water pocket and get loose of the waterproof course.

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지하층 도막방수공사의 중점관리요인 (Critical Management Factors of Fluid-Applied Membrane Waterproofing Work for building basements)

  • 권해림;유정호
    • 한국건축시공학회지
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    • 제9권6호
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    • pp.91-98
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    • 2009
  • 건축공사 중 인간에게 많은 영향을 미치는 습기와 물에 대한 피해로부터 주거 생활을 보호하는 성능을 가진 것이 방수공사이다. 건축 방수공사의 하자로 인한 보수비는 방수층 자체의 보수비용뿐만 아니라 연계공종의 피해로 인한 연계공종의 보수비용 또한 추가되어, 방수공사의 전체적인 보수비용은 더욱 높아진다. 하지만, 방수공사의 하자를 미연에 방지할 수 있는 정량적이고 효율적인 관리방안이 부족한 실정이다. 기존 문헌 고찰과 사례 분석 결과, 지하층 방수공사 하자가 빈번하게 나타났으며, 여러 공법 중 도막방수가 가장 많이 사용되고 있었다. 이에 본 연구에서는 지하층 도막방수공사에 대한 하자 사례분석을 하였으며, 이를 미연에 방지하기 위한 방안으로 FMEA(Failure Mode and Effect Analysis) 기법을 변형한 R-FMEA 방법을 고안하였다. R-FMEA 쉬트에 대한 전문가 설문을 통하여 지하층 도막방수공사 하자 유형 중 가장 위험성이 큰 방수공사 하자 유형을 도출하여, 중요하게 관리되어야 하는 요인들을 도출하였다.

저온환경에서 자착형 방수시트의 부착성능에 관한 연구 (A Research on Attachment Strength of Self-Adhesive Waterproofing Sheet in Low-Temperature Environment)

  • 안기원;박완구;허능회;김윤호;박진상;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2012년도 추계 학술논문 발표대회
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    • pp.27-28
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    • 2012
  • This study is to low-temperature in using self-adhesive waterproofing sheet. Using self-adhesive waterproofing sheet is very comfortable in a waterproofing construction site. However, when self-adhesive waterproofing sheet is constructed from a low-temperature environment, there has been a attachment strength shortage. Therefore, this study on the attachment strength of self-adhesive waterproofing sheet is to investigate the low-temperature in the environment.

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

  • 도광구;송제영;김병일;오상근
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2020년도 봄 학술논문 발표대회
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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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건축물 옥상방수층의 누수보수를 위한 방수층재형성 주입기술에 관한 연구 (Study on the injecting technology of waterproofing layer for water leakage repair of roof)

  • 배기선;조일규;장혁수;곽규성
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2002년도 학술.기술논문발표회
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    • pp.23-27
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    • 2002
  • Waterproofing is one of the important factor to improve performance of building elements. But existing repair system for waterproofing have many problems like a damage of waterproof layer due to movement of concrete substrate, blistering effect and moisture condition. So waterproofing layer can not play an important part to improve waterproofing function and performance of building. Therefore, new waterproofing system to solve these problems of existing waterproofing system is developed. In this paper, new waterproofing system in water-leakage repair for remodeling is introduced

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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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