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Roads are one of the transportation infrastructure that is needed for everyday life so that the road conditions have durability according to the age of the plan. For this reason a technology for road construction that has structural value has been born. Stone Matrix Asphalt (SMA) is a type of hot paved mixture that is used as a surface layer with a number of coating characteristics that can provide benefits for motorists because of its high slip resistance. In this mixture using cellulose fibers derived from water hyacinth to find out whether water hyacinth fiber can be used as a mixture of hot asphalt and as a substitute for cellulose fibers in the market. In this study, the laboratory experimental research method is used to conduct experimental activities to produce a result of water hyacinth fiber mixing with Marshall Properties. The purpose of this experiment is to compare the results obtained at optimum levels in the specifications of SNI Specifications for Stone Matrix Asphalt (SMA) 2015, with the addition of water hyacinth fiber variations of 1%, 2%, 3%, 4%, 5% taken from asphalt content . The final result of this study was Marshall evaluation where Stability was 55830.18 kg on 3% water hyacinth fiber content, 17.09% VIM on 5% water hyacinth fiber content, 172.40% VMA on 5% water hyacinth fiber content, VFWA 2100.28% on 0% water hyacinth fiber content, 2.23 mm flow on 4.9% water hyacinth fiber content, Marshall Quotient 25984.39 kg / mm on 3% water hyacinth fiber content. These results indicate that water hyacinth fiber cannot be used in a mixture of SNI 2015 Stone Matrix Asphalt Specifications (SMA). Keywords: Water Hyacinth Fiber, Stone Matrix Asphalt, Marshall Properties

ALTERNATIF PENGGUNAAN SERAT ECENG GONDOK PADA CAMPURAN STONE MATRIX ASPHALT GRADASI HALUS MENINGKATKAN STABILITAS CAMPURAN ASPAL PANAS