CD Skripsi
Kajian Pemanfaatan Limbah Faba (Fly Ash Dan Bottom Ash) Pada Konstruksi Lapisan Permukaan Jalan (Top Layer)
ABSTRACT
Asphalt is one of the materials used in road construction, this material was chosen
because it can produce flexible, safe and comfortable pavement. One of the
functions of adding fillers is to minimize the use of asphalt base materials, where
this filler has a significant effect because it functions as a cavity filler. The filler
used is factory waste, namely fly ash and bottom ash. Fly ash is the residue from
burning coal in power plants. Bottom Ash as well as fly ash is the result of
burning coal, the ash that is produced when burning coal that settles. The purpose
of this study was to determine the effect of using FABA waste (fly ash and bottom
ash) on the quality of the road surface construction layer (top layer). The
proportions of fly ash and bottom ash used are 2%, 4%, 6%, 8% and 10% of the
total weight mixture of the mixture where each variation of fly ash is 55%: 45%
bottom ash. Marshall characteristic test results show that the addition of fly ash
and bottom ash to the AC-WC mixture can increase the value of stability and the
of void filled with asphalt (VFA) and can reduce the value of void in the mixture
(VIM) with certain filler levels according to the tests that have been carried out
which can be used in the field, namely variation 2 %, 4%, 6% and 8%. The
optimum variation of fly ash and bottom that can be added to AC-WC mixture 2%
of the total aggregate weight. This value is based on the high stability value
compared to other variations is 1654,74 kg.
Keywords: Fly Ash, Bottom Ash, Filler, AC-WC, Top Layer.
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