CHARACTERISTICS OF HOTMIX AC-BC WITH NANOGRAPHENE FILLER
Journal: International Journal of Civil Engineering and Technology (IJCIET) (Vol.12, No. 05)Publication Date: 2021-05-31
Authors : Muhammad Shalahuddin Ermiyati Suprasman Yenita Morena;
Page : 29-36
Keywords : Graphene; Marshall characteristics; hotmix AC–BC;
Abstract
This study analyzes the influence of the addition of graphene nano-material as filler on asphalt concrete base course (AC-BC). Triple layer on carbon graphene structure serves as a strengthening to improve the stability of hotmix AC-BC significantly. It is important to know how accumulation of graphene nano-material fiber sheet that has a very wide surface (m2/gr) with bitumen. Testing was conducted with a combination of graphene 0 %, 3.5 %, 4 %, and 4.5 % by asphalt weight. The results showed that addition graphene decreases the penetration of asphalt from 60 mm to 53.6 mm, decreases the value of optimum asphalt 1.75 %, improves stability from 1,260 kg to 1,480 kg, increase flow / elasticity from 3.80 mm to 4.50 mm, decrease void in mix (VIM) 10.95 %, increases void filled asphalt (VFA) 2.10 %, and increases void in mix asphalt (VMA) 3.77 %. It is phenomenal that nanographene on AC- BC hotmixs can increase strength while also improving elasticity.
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Last modified: 2021-06-05 12:45:45