The Effect of Styrofoam Addition into HRS-Base on Marshall Characteristics
In this research, Styrofoam is added to the HRS-Base type of pavement to investigate the Marshall Parameter of its pavement mixture. Styrofoam is one type of waste that has characteristics that are nearly equal to asphalt, which are soften when heated and harden when temperatures return to normal. This study was conducted to determine the effect of Styrofoam on Hot Rolled Sheet-Base (HRS-Base) by varying the addition of Styrofoam in the mix. Based on the research, it can be concluded that the use of asphalt with the addition of Styrofoam as much as 0.5%, 1%, and 1.5% by weight of asphalt in an HRS-Base mixture improves the Stability of the mixture. The value of Flow is also increases when compared with asphalt mixture without Styrofoam. Asphalt mixture with the addition of Styrofoam as much as 1.5% has a maximum Stability above 1500 kg with optimum binder content is at 7.4%, and the value of Flow is above 3 mm. The 1.5% Styrofoam Asphalt ratio having the value of Voids in the Mixture is 4%, the Void in Mineral Aggregate is 19.2%, the Void Filled with Asphalt is 80%, and the Marshall Quotient is 260 kg/mm.
Flexible Pavement; Hot Rolled Sheet-Base (HRS-Base); Styrofoam; Marshall Parameters
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Published by INSIGHT - Indonesian Society for Knowledge and Human Development