PENGARUH PENGGUNAAN FLY ASH PT. YOGYATEK SEBAGAI FILLER PADA CAMPURAN ASPHALT CONCRETE BINDER COURSE (AC-BC)

Main Authors: , Defri Jeki, , Ir. Latif Budi Suparma, M.Sc, Ph.D
Format: Thesis NonPeerReviewed
Terbitan: [Yogyakarta] : Universitas Gadjah Mada , 2011
Subjects:
ETD
Online Access: https://repository.ugm.ac.id/97373/
http://etd.ugm.ac.id/index.php?mod=penelitian_detail&sub=PenelitianDetail&act=view&typ=html&buku_id=53922
Daftar Isi:
  • Yogyatek fly ash is the waste of coal combustion in fixed bed systems that is used for generating steam plant in PT. Yogyatek textile industry. Itâ��s amount is not so much, but the waste has not certainly utilized so far. Research on the use of Yogyatek fly ash as a filler in the AC-BC (Asphalt Concrete - Binder Course) mixture is expected to utilize the waste and improve the AC-BC mixture performance. Research carried out by substituting Yogyatek fly ash into stone dust mineral filler by volume equalization, with variations 0%, 25%, 50%, 75% and 100%. The optimum asphalt content (OAC) of each variation was determined by the Narrow Range method through Marshall testing based on Ministry of Public Works (2010) specifications. Further testing on the OAC consisted of Marshall Immersion testing to determine the Retained Marshall Stability (RMS) and Indirect Tensile Strength (ITS) testing to determine Tensile Strength Ratio (TSR) value. The results showed OAC of specimens in variations 0%, 25%, 50%, 75%, and 100% Yogyatek fly ash were 5.6%, 5.6%, 5.7%, 5.8%, and 6.0 % respectively. RMS values are 96.65%, 96.01%, 98.47%, 98.19% and 98.48% respectively. While TSR values is 83.41%, 8843%, 85.36%, 82.92% and 82.97% respectively. The Yogyatek fly ash substitution into the AC-BC filler increase the VIM, VMA, Stability, Marshall Quotient (MQ), RMS, and TSR values and decrease VFA, density, flow, and ITS values of mixture. The further testing results (Marshall Immersion and ITS) all variations fulfill Ministry of Public Works (2010) and AASHTO T 283-89 specification. Variation in the most optimum durability was 50% fly ash : 50% stone dust.