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http://dx.doi.org/10.12652/Ksce.2018.38.2.0319

Evaluation of Anti-Stripping Performance in Asphalt Concrete using Byproduct Ash produced from Circulating Fluidized Bed Boiler  

Kim, Yooseok (Kyonggi University)
Kim, Nakseok (Kyonggi University)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.38, no.2, 2018 , pp. 319-325 More about this Journal
Abstract
Pot-holes are steadily increasing due to abnormal climate such as heavy rainfall and frequent snowfall. Pot-hole related to traffic accidents cause injuries, car damage and distress of road facilities. To reduce pot-holes, the use of an anti-stripping agent is mandatorily recommended to asphalt concrete mixture. Hydrated lime is commonly used as anti-stripping agent due to the convenience and economics. Byproduct ash from circulating fluidized bed boiler was reviewed as an anti stripping agent. According to the test results, the byproduct ash is satisfied with TSR specification using 1% to 3% by weight of the asphalt mixture. The byproduct ash was examined under various condition changes of aggregate and asphalt concrete mixture considering quality movement. According to the results, using the byproduct ash was measured average 0.87 of TSR and coverage rates of 60% after rolling bottle test. Test results also revealed that the byproduct ash showed stable performance. Using the byproduct ash to decrease pot-hole in asphalt concrete pavement is suitable for demonstrating stable performance as anti-stripping agent.
Keywords
Pot-hole; Anti-stripping agent; Circulating fluidized bed boiler; Byproduct ash;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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