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VARIATIONS IN THE ADDITION OF POLYPROPYLENE FIBER, FLY ASH AND IMMERSION IN ASPHALT MIXTURES ON STABILITY AND FLOW

Journal: International Journal of Civil Engineering and Technology (IJCIET) (Vol.10, No. 2)

Publication Date:

Authors : ; ;

Page : 2032-2039

Keywords : Polypropylene Fiber; Fly Ash; Stability; Flow; asphalt mixture;

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Abstract

Road damage in Indonesia on average is caused by water. Water causes the binding capacity between asphalt and aggregate to decrease. Therefore, research is needed to improve the stability of the asphalt mixture by adding fillers such as Polypropylene fiber and Fly Ash with variations in immersion. In this study, the variation of Polypropylene fibers is 1%, 2%, 3% and 4% of the total aggregate. While the use of Fly Ash remains, at 6% of the total aggregate. To test the resistance to water, a 1 hour, 24 hours and 48 hours immersion is used. The results showed that Polypropylene fiber and Fly Ash can be used as fillers in asphalt mixtures because they meet filler characteristics and are able to improve stability and flow in the asphalt mixture. Variation of 2% Polypropylene fiber with a 24 hours immersion resulted in a stability value of 2004, 97 kg. In the variation of 2% Polypropylene fiber with a 24 hours immersion produced a flow of 6, 08 mm. Addition of 2% Polypropylene fiber with 24 hours immersion can increase stability by 17, 18% and flow by 14.33%. At 2% addition of Polypropylene fiber and 24 hours immersion, optimum stability and flow are obtained.

Last modified: 2019-05-22 16:22:26