• 제목/요약/키워드: Underground Waterproofing

검색결과 82건 처리시간 0.023초

역수압 작용을 고려한 방수·방식재의 부착강도 시험방법에 관한 연구 (A Study on the Test Methods of Bond Strength in Waterproofing and Anti-corrosion Materials by Reversed Pressure)

  • 김명지;최수영;최성민;오상근
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2014년도 춘계 학술논문 발표대회
    • /
    • pp.232-233
    • /
    • 2014
  • Recently, water treatment facility is usually eastablished in underground, and waterproofing and anti-corrosion materials for concrete structures applied water treatment tank is developing in various ways. However, as the limit of research focused on durability improvement of top coating material, it is insufficient to study on the adhesion strength between the concrete surface and primer. Therefore, there is to confirm the adhesion of between concrete surface and the three primers used as anti-corrosion waterproofing materials, and to investigate the properties of adhesion strength according to the condition such as wet codition and water pressure condition of the concrete surface in this study.

  • PDF

국내 공동주택의 지하공간 방수설계 및 시방기준 (Domestic Below-Grade Waterproofing Design and Specification Standard for Residential Apartments)

  • 이정훈;최은규;송제영;김수연;오상근
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2018년도 추계 학술논문 발표대회
    • /
    • pp.185-186
    • /
    • 2018
  • Leakage problems in underground spaces of domestic apartments is becoming more serious and legal disputes related to leakage problem have become more commonplace. In this regard, leakage problem is not only a problem in construction, but is also a concern from a societal aspect. In this paper, we propose the details of a below-grade waterproofing design and specification standards of specific areas and sections of residential apartment buildings, and propose that a detailed examination of positive-side waterproofing methods is required.

  • PDF

지하구조물용 신축이음장치의 방수성능에 관한 실험연구 (An Experimental Study on the Waterproofing Performance of Expansion Equipment for Underground Structures)

  • 이영호
    • 한국산학기술학회논문지
    • /
    • 제13권9호
    • /
    • pp.4302-4309
    • /
    • 2012
  • 지하구조물에 적절한 신축이음을 두지 않게 되면, 신축량에 대응하지 못해 구조물에 구조적 균열과 누수로 인한 콘크리트의 백태 등이 발생할 수 있다. 본 연구에서는 방수성능과 내구성이 우수한 새로운 지하구조물용 신축이음 장치에 대한 성능을 검증하였다. 유한요소해석을 통하여 지하구조물 신축이음장치의 간격을 설정하고 개발된 신축이음장치의 적정 신축량을 확인하였다. 또한, 검증실험결과 개발된 신축이음장치의 수축 신장에 따른 피로 기준을 만족하였으며 방수성능이 우수한 것으로 나타났다.

철도시설에 있어서의 구조물 거동대응형 방수기술의 적용 (Structure movement-coping Waterproofing technology application for Railroad facilities)

  • 조일규;이종용;오상근
    • 한국철도학회:학술대회논문집
    • /
    • 한국철도학회 2010년도 춘계학술대회 논문집
    • /
    • pp.1964-1969
    • /
    • 2010
  • 최근 건설시장 규모가 확대되고 교통산업이 발전하면서 지하철 및 터널 등과 같은 개착형 Box 혹은 Shield형 터널 구조물 등 지하구조물의 건설이 다양화되고, 그 수요도 점차 급증하고 있는 실정이다. 그러나 주로 지하에 건설되는 콘크리트 구조물은 시공시 신축이음 및 시공 조인트 등과 같은 다양한 형태의 조인트 발생과 구조물의 수축팽창에 따른 거동, 부동침하, 과다하중, 진동발생에 의한 균열로 인하여 누수가 발생되고 있다. 이에 다양한 방수공법 및 재료들이 현장에 적용되고는 있지만 지하철도, 지하철 등과 같은 진동 및 구조물의 거동이 상시적으로 발생되는 환경조건에서는 방수층의 성능이 저하되어 균열, 침식, 들뜸 등으로 물이 확산되어 재누수가 되는 악순환을 겪고 있는 실정이다. 따라서 본 연구에서는 진동 및 구조물의 거동에 대응 가능한 점착 유연형 복합방수공법을 대상으로 구조물의 거동 대응성 시험을 평가하고, 거동 및 진동이 상시적으로 발생되는 지하철, 터널 등을 대상으로 실제 현장에 적용 후 사례를 통해 구조물 거동에 대응 가능한 방수기술을 검토하였다. 이러한 거동 대응 특성을 검토한 결과 방수재가 기건 및 수중환경에서도 재료의 유연성과 부착성을 유지하여 물의 침투를 방지하고, 거동폭 $5.0mm({\pm}0.5)$ 범위에서도 거동에 대응 가능함을 알 수 있었다.

  • PDF

유류성분이 지하구조물의 방수층 침식에 미치는 영향평가 (Performance analysis of waterproofing corrosion as effecting oil)

  • 김영찬;이정윤;권시원;오상근
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2004년도 학술.기술논문발표회
    • /
    • pp.91-95
    • /
    • 2004
  • Utilization of underground construction if increased by the large size & skycraperlization of building recently. Therefore. waterproof dependence of underground construction is risen. However, water leakage was happened by rupture by concrete conduct, drying shrinkage. form tie. In underground environment soil class, degradation of waterproofing is showing to corrode by oil. An odious smell by oil, promotion evil of reinforcing rod corrosion, declination of durability can happen. Then, practical un degree of underground spare becomes low, Because oil or water permeates by construction by degradation to waterproof class corrode by oil, is considered to affect evil durability of construction.

  • PDF

구조물 내구성 향상을 위한 방수품질 관련 통합정보시스템 활용방안에 관한 연구 (Application Method of Integrated Information System on waterproofing Quality for Improving Structure Durability)

  • 강효진;안기원;김병일;오상근
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2018년도 춘계 학술논문 발표대회
    • /
    • pp.339-340
    • /
    • 2018
  • Contemporary concrete structures make use of underground spaces as parking lots and other comfort facilities for efficiency purposes. As underground environmental conditions are in constant exposure to degradation factors from the environment such as groundwater, hydraulic and soil pressure, structural movement and settlement, structural defects in the form of leakage occur. Current maintenance regulations and regimes are unable to respond to this field, as degradation mechanisms in underground environments are still unclear. In this regard, this study proposes the utilization of integrated information sharing system that can provide various technical information for construction designs to prevent leakages in underground concrete structures.

  • PDF

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

  • 임민찬;조일규;선윤숙;오상근
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2005년도 추계 학술논문 발표대회
    • /
    • pp.51-54
    • /
    • 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.

  • PDF

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

  • 오규환;김수연;오상근
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2021년도 가을 학술논문 발표대회
    • /
    • pp.210-211
    • /
    • 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.

  • PDF

Assessment of roof waterproofing by pre-packaged polymer modified slurry (PPPMS) and bitumen

  • Iqbal, Safdar;Jehan, Beenish;Khan, Fasih Ahmed;Khan, Haris;Khan, Sarmad Ali
    • Advances in environmental research
    • /
    • 제8권1호
    • /
    • pp.71-84
    • /
    • 2019
  • Effective waterproofing of structures was a compulsory constraint to avoid leaks and dampness or humidity in walls, ceilings, roofs underground tank and underground room. Traditionally used methods of roof waterproofing were bitumen with tinny seared clay tiles are very troublesome, overwhelming time and involving high labor cost. These waterproofing methods are not allocation the purpose due to their intrinsic disadvantages. Prepackaged polymer modified slurries (PPPMS) are now attainment the vogue and easy to use, easily available in the market, cheaper in cost and more workable than the traditional methods of waterproofing. An experimental study has shown that prepackaged polymer modified slurries (PPPMS) are superior in cost and performance to as a roof water proof coatings. Bituminous coatings were mixed with water and different combination of prepackaged polymer modified slurries and primer respectively, to find optimum coverage underneath worst atmospheric conditions. Every specimen of different proportioned was applied on plane roofs and through the passage of time, their performance was checked, assessed and associated with each other. The roof of approximately 40000 ft2 area of prepackaged polymer modified slurries was used will give us hundred percent result (no water seepage or no water absorption) therefore no complaints as compare to roofs area of approximately 24000 ft2 bituminous coating was used for waterproofing they have shown the result of 30 to 40 percent water seepage. This result shows that prepackaged polymer modified slurries were two times cheaper than bituminous coating. Comparing an equal number of surfaces coated with a polymer modified prepackaged mortar and bitumen the prepackaged polymer modified slurries (PPPMS) showed excellent performance, ease of application and low bitumen coating cost.

지하 전력구조물의 거동에 대한 방수층의 대응 성능 평가 방법 개발 (10 mm 거동 대응형 방수시스템 Mock-Up 시험 방법) (A Performance Test Method of Waterproofing System to Evaluate the Responsiveness to the Movement of Box Culvert Structure for Underground Electronic Power Facility (Mock-Up Test Method of Waterproofing Layer to Response 10 mm Movement of Expansion Joint))