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반사균열 저감을 위한 Saw and Seal 공법의 줄눈재 평가 및 효과에 관한 연구 KCI 등재

A Study on Sealant Evaluation and Effectiveness of Saw and Seal Method for Reducing Reflection Cracking

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한국도로학회논문집 (International journal of highway engineering)
한국도로학회 (Korean Society of Road Engineers)
초록

PURPOSES : The purpose of this study is to select the proper sealing method and to see the performance of the saw and seal method for concrete rehabilitation based on accelerated pavement testings and lab tests. METHODS : Two accelerated pavement testings were conducted. One is to select proper sealing method of the asphalt joints and the other is to see the performance of the saw and seal method. Lab tests were conducted to select proper sealing method and a test section was constructed to see the field performance. RESULTS : The result of the first accelerated pavement testing indicated that the adhesive preformed sealants showed good performance when asphalt layer was rutted and in terms preventing from water infiltration. The second acceleration test indicated that the saw and seal method using the adhesive preformed sealant showed much better performance than the control. In the lab test bitumen, rubber and epoxy showed good performance as the adhesive. CONCLUSIONS : Saw and Seal method using the adhesive preformed sealant would markedly reduce the joint damage on the asphalt overlay.

저자
  • 서용환 | Seo, Yong-Hwan
  • 서영찬 | Suh, Young-Chan
  • 배종오 | Bae, Jong-Oh
  • 전범준 | Chon, Beom-Jun