Effects of Mixing Temperature on the Mechanical Properties of Hot Mix Asphalt

Yıl 2019, Cilt: 30 Sayı: 4, 9221 - 9241, 01.07.2019

Gül Balık Mehmet Yılmaz , Baha Vural Kök , Taner Alataş

https://doi.org/10.18400/tekderg.405948

Cited By: 3

Öz

In this study, the effects of mixing temperature on
the performance of hot mix asphalt (HMA) were investigated. 5% Styrene-butadiene-styrene
(SBS) and 18% America Gilsonite were used as binder modifiers. HMA samples were
prepared at the mixing temperatures 10°C, 15°C, and 20°C lower temperatures than the mixing
temperature. Marshall Stability and flow, resistance to moisture-induced damage
and indirect tensile fatigue tests were conducted on the hot mix asphalt
samples. As a result of the experimental study, it was determined that the use
of additives increased the performance of the HMAs. In addition, it was
determined that, in general, the stability, Marshall quotient, indirect tensile
strength and fatigue life of the mixtures decreased and the flow values
increased with decreased mixing temperature. 

Anahtar Kelimeler

Mixing temperature, Hot mix asphalt, Styrene-butadiene-styrene, Gilsonite, Superpave, Performance

Effects of Mixing Temperature on the Mechanical Properties of Hot Mix Asphalt

Öz

In this study, the effects of mixing temperature on the performance of hot mix asphalt (HMA) were investigated. 5% Styrene-butadiene-styrene (SBS) and 18% America Gilsonite were used as binder modifiers. HMA samples were prepared at the mixing temperatures 10°C, 15°C, and 20°C lower temperatures than the mixing temperature. Marshall Stability and flow, resistance to moisture-induced damage and indirect tensile fatigue tests were conducted on the hot mix asphalt samples. As a result of the experimental study, it was determined that the use of additives increased the performance of the HMAs. In addition, it was determined that, in general, the stability, Marshall quotient, indirect tensile strength and fatigue life of the mixtures decreased and the flow values increased with decreased mixing temperature. 

Anahtar Kelimeler

Mixing temperature, hot mix asphalt, styrene-butadiene-styrene, gilsonite, superpave, performance

Kaynakça

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