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http://dx.doi.org/10.7855/IJHE.2012.14.3.059

Evaluation on Patching Materials for Asphalt Pavement  

Shim, Jae-Pill ((주)도화엔지니어링 기술개발연구원)
Jin, Jung-Hoon ((주)도화엔지니어링 기술개발연구원)
Park, Tea-Soon (서울과학기술대학교 건설공학부)
Lee, Jae-Sik (인천대학교 건설환경공학과)
Publication Information
International Journal of Highway Engineering / v.14, no.3, 2012 , pp. 59-67 More about this Journal
Abstract
This study presents the evaluation of the patching materials that are used to repair the distress of asphalt pavement. Four kinds of patching materials currently used in practice were tested in both laboratory and field. The laboratory tests included the dry and soaked Marshall stability test, indirect tensile test, wheel tracking test and adhesive strength between the asphalt pavement and the repairing material was tested as a performance test. The field study was conducted using the slab samples placed on the location of vehicle tire passing and the performance of the repairing materials were investigated as passing the traffic load. The result of the laboratory tests were satisfied with the current design criteria and material standard except for water-immersion stability. Type C patching material showed the highest adhesive shear strength among the patching materials tested. However, the mature distress, such as rutting and stripping were monitored after construction in 10 days. It was found that performance of patching material is lack of quality behavior when they were applied in the field and required to develop and applu to prevent the mature distress of the current patching materials.
Keywords
pavement distress; local repair; pavement repair; repair material; performance;
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