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http://dx.doi.org/10.5345/JKIBC.2018.18.4.337

Analysis on the Causes of the Oil Leakage Phenomenon for Complex Waterproofing Methods of Asphalt Mastic and Modified Asphalt Sheet  

Park, Jin-Sang (Program of Architecture of Convergence Institute of Biomedical Engineering and Bio-materials of Graduate School, Seoul National University of Science and Technology)
Kim, Dong-Bum (Program of Architecture of Convergence Institute of Biomedical Engineering and Bio-materials of Graduate School, Seoul National University of Science and Technology)
Park, Wan-Goo (Department of Architectural Engineering, Seoul National University of Science and Technology)
Oh, Sang-Keun (Department of Architectural Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of the Korea Institute of Building Construction / v.18, no.4, 2018 , pp. 337-345 More about this Journal
Abstract
In this study, observations of oil leakage samples taken from the actual site were performed to identify the causes of the oil leakage phenomenon. As a result, the separation of the material components was determined as the main cause of the oil leakage phenomenon based on the changes in the surface conditions, and verification of this was conducted. The evaluation results confirmed that the filler component of the asphalt mastic subsided with the lapse of the settling time, and that the difference ratio of the filler contents of the upper and lower specimens was up to 23.8% after day 28. Based on these results, a hypothesis on the oil leakage mechanism of asphalt mastic was established, and then modeling of the entire process of oil leakage was performed.
Keywords
modified asphalt sheet; asphalt mastic; oil leakage crack; filler content;
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