The Use Of Waste Materials In Asphalt Concrete Mixtures  

Oleh:

Tuncan, Mustafa ; Tuncan, Ahmet ; Cetin, Altan

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Waste Management & Research vol. 21 no. 2 (Apr. 2003), page 83-92.
Topik: Waste tyre; crumb rubber; waste plastic; Marshall stability; indirect tensile strength; moisture susceptibility; wmr 506–
Fulltext: 83.pdf (2.88MB)

Isi artikel

The purpose of this study was to investigate (a) the effects of rubber and plastic concentrations and rubber particle sizes on properties of asphalt cement, (b) on properties of asphalt concrete specimens and (c) the effects of fly ash, marble powder, rubber powder and petroleum contaminated soil as filler materials instead of stone powder in the asphalt concrete specimens. One type of limestone aggregate and one penetration-graded asphalt cement (75-100) were used. Three concentrations of rubber and plastic (i.e. 5%, 10% and 20% of the total weight of asphalt cement), three rubber particle sizes (i.e. No. 4 [4.75mm] – 20 [0.85 mm], No. 20 [0.85mm] – 200 [0.075mm] and No. 4 [4.75mm] – 200 [0.075mm]) and one plastic particle size (i.e. No. 4 [4.75mm] – 10 [2.00mm]) were also used. It was found that while the addition of plastic significantly increased the strength of specimens, the addition of rubber decreased it. No. 4 [4.75mm] – 200 [0.075mm] rubber particles showed the best results with respect to the indirect tensile test. The Marshall stability and indirect tensile strength properties of plastic modified specimens increased. Marble powder and fly ash could be used as filler materials instead of stone powder in the asphalt concrete pavement specimens.

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