Determination of the optimum conditions for tire rubber in asphalt concrete [An article from: Building and Environment]

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Description:
The Taguchi method was used to determine optimum conditions for tire rubber in asphalt concrete with Marshall Test. The tire rubber in asphalt concrete was explored under different experimental parameters including tire rubber gradation (sieve #10-40), mixing temperature (155-175^oC), aggregate gradation (grad. 1-3), tire rubber ratio (0-10% by weight of asphalt), binder ratio (4-7% by weight of asphalt), compaction temperature (110-135^oC), and mixing time (5-30min). The optimum conditions were obtained for tire rubber gradation (sieve #40), mixing temperature (155^oC), aggregate gradation (grad. 1), tire rubber ratio (10%), binder ratio (5.5%), compaction temperature (135^oC), mixing time (15min).