The Use of Gypsum Waste in Coarse SMA Mixtures with River Aggregate from Sadang Pinrang
DOI:
https://doi.org/10.52722/ddzcsx95Keywords:
Rough SMA, gypsum waste, aggregateAbstract
The road pavement layer is the main part of the road construction structure. Many experience damage before reaching their service life, this damage includes cracks, distortion, holes and peeling on the surface. Therefore, tests were conducted to identify the features of the coarse SMA mixture using gypsum waste and the effect of gypsum waste on the coarse SMA mixture. The results of the research carried out show that the characteristics of the aggregate from the Sadang River, Pinrang Regency, asphalt penetration of 60/70, specific gravity of cement filler, and gypsum waste as an added material meet the requirements for a Coarse SMA mixture based on the 2018 General Bina Marga Specifications. And the addition of gypsum waste affects the characteristics rough SMA mixture, namely the VMA value, where the VMA value exceeds the specified minimum value of 17%.
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