PENAMBAHAN FLY ASH BATU BARA PLTU SEBAGAI FILLER ASPAL AC WC

Abstract

The increasing population growth, the more vehicle users. This makes the government also have to
improve transportation services. One way is to improve the quality of asphalt in order to meet its service
life. But the problem that is happening at this time is the difficulty of getting rock ash filler where in the
rules it is stated that fine aggregate (fly ash) must pass sieve no. 200 under 10%. This research mixed fly
ash as much as 1%, 2%, and 3%. The results of the study are the addition of fly ash from burning coal
ash as a filler for combustion residue from the Tanjung Enim PLTU for Asphalt Concrete Wearing
Course (AC WC) asphalt mixture, the best results were obtained on a 2% mixture with the following
values: Stability value of 1240, 253 kg, VIM (Void In Mix) Value of 4.233%, VMA (Void in Mineral
Aggregate) Value of 16.139%, VFB (Void Filled Bitumen) Value of 73.782%, Flow (melting) Value of
3.63 mm and Marshall Quotient obtained at 329.280 kg/mm.