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        검색결과 6

        2.
        2018.10 KCI 등재 구독 인증기관 무료, 개인회원 유료
        PURPOSES: Until now, the maintenance of road pavement has mostly involved passive maintenance methods with full maintenance only performed at the end of road life. Recently, there has been growing interest in solving the problem of reflection cracks that occur at joints during application of the overlay method of old concrete pavement. This study was aimed at solving the problem of reflective cracks around expansion joints and at evaluating the durability performance of pavement with interlayer reinforced-composites waterproofing system for concrete overlay. METHODS: This study was conducted to investigate the effect of an interlayer on prevention of reflection cracks and to improve the tensile, compressive, shear, and vertical stresses due to plastic deformation and vehicle cyclic loading. An integrated overlaying layer (5cm or 8cm) was used to evaluate the applicability according to objective indicators. RESULTS and CONCLUSIONS : It was confirmed that cracks did not occur in the section of the line overlaid by the interlayer and that the reflection cracks generated by the action of the lower layer sufficiently absorbed the horizontal movement of the asphalt 5cm pavement overlay. It also suppressed, or at least delayed, the progress of the vertical cracks. The interlayer reinforced composite membrane waterproofing method used in the packing layer, showed through repeated fatigue test results that the accumulated fatigue crack resistance was greater than 120,000 times.
        4,000원
        3.
        2016.10 서비스 종료(열람 제한)
        This is A Study on the Bond Performance of Synthetic Polymer Composite Waterproofing and Anticorrosion Method in accordance with PE Fiber Reinforcement. Test results, A Bond Performance of the Test Specimen was confirmed to have increased 37.5%. By PE Fiber Reinforcement.
        4.
        2015.04 서비스 종료(열람 제한)
        Unconditional usage of multi-layered waterproofing membrane system is common in large scale spatial structures in the contemporary setting. This study aims to evaluate the limitation of multi-layered waterproofing membrane system applied to the roofing system of large scale spatial structure and examine thoroughly whether such systems are suitable for steel plate concrete or not.
        5.
        2014.07 KCI 등재 서비스 종료(열람 제한)
        건설구조물 상부의 단열은 에너지 절약 건설구조물에 있어서 중요한 요건 중 하나이다. 건설구조물 최상부는 단열성뿐만 아니라 방수성능도 중요하다. 이와 같은 이유로 단열성을 확보한 방수공법의 개발이 요구된다. 본 연구에서는 최근 일정 단열성능을 확보한 단열 보완형의 복합방수공법이 개발되어 해당 공법에 대한 단열성능을 평가하고자 하였다. 방수성 시험결과, 모든 시험체는 KS 표준 이상의 성능을보여주었다. 단열성 시험결과, 스티로폼 박스가 가장 높은 온도인 25.91℃, 버블시트 박스가 17.28℃, 단열시트 박스가 15.47℃, 단열보완형 방수시트가 24.11℃로 확인되었다. 시트 접합부의 열교현상을 관찰한 결과 열교현상은 발생하지 않았다. 단열보완형 복합방수공법은 단열성능을 확보하고 있는 것으로 판단된다.