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논문 기본 정보

자료유형
학술저널
저자정보
한종민 (한국건설생활환경시험연구원) 이재준 (전북대학교 토목공학과) 양영규 ([주]에이씨이테크) 차동화 ([주]상봉이엔씨)
저널정보
한국도로학회 한국도로학회논문집 한국도로학회논문집 제20권 제5호
발행연도
2018.1
수록면
65 - 74 (10page)

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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.

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