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- W4380488411 abstract "In a practical scenario, it is very common that an open graded friction course (OGFC) layer is subjected to repeated traffic loadings during the rains. Even after the rain, water can be clogged inside the voids. This entrapped water can accelerate OGFC layer’s overall abrasion damage under wheel loads by causing moisture damage to the material. This study employed the Micro-Deval (MD) test to evaluate the durability performance of an OGFC material in wet conditions. It is found that the MD test is effective in measuring the durability performance of an OGFC with satisfactory repeatability. While comparing the effects of binder grade on the OGFC’s performance, it is observed that the OGFC made with a lower PG grade performs poorly than the OGFCs made with higher PG grades. While evaluating the effect of aggregate gradation on the OGFC’s performance, it is found that the OGFC made with a larger aggregate has more damage than the OGFC made with a smaller aggregate. This study found that the MD test is more effective in ranking OGFC materials based on their durability performance than the traditional Cantabro abrasion (CA) test. The correlation between MD and CA test results is also found to be poor because of the differences in loading and test conditions. As the loading and test conditions in the MD test are more field representative, this study recommends the MD test for evaluating the durability performance of OGFC materials in wet conditions." @default.
- W4380488411 created "2023-06-14" @default.
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- W4380488411 date "2023-06-13" @default.
- W4380488411 modified "2023-09-28" @default.
- W4380488411 title "Evaluation of Durability Performance of Open Graded Friction Course (OGFC) in Wet Conditions Using Micro-Deval Test" @default.
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- W4380488411 doi "https://doi.org/10.1061/9780784484913.009" @default.
- W4380488411 hasPublicationYear "2023" @default.
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