Bioasbuton as an Alternative Binder for Hot Mix Asphalt

Abstract

Hot mix asphalt (HMA) with buton granular asphalt has long been known in Indonesia with maximum use of 15%. With this dose, the use of binder asphalt Pen 60/70 is still needed. Bioasphalt is a fraction of bio-oil derived from biomass resulting from the pyrolysis process whose raw materials are coconut shells and straw. This study tries to determine whether the results of the pyrolysis of coconut shells (BioCS) and straw (BioST) can be categorized as bioasphalt. In addition, it also aims to analyze the potential of bioasbuton, namely a binder consisting of BioCS and bitumen of Asbuton B 50/30 (ASB) as a binder in the AC-WC HMA. From this study, it is known that the BioCS and BioST can be categorized as bioasphalt. The addition of bioasphalt to ASB bitumen can produce bioasbuton with different properties from the original asbuton. The addition of 6% BioCS or 8% BioST to ASB bitumen produces bioasbuton with relatively similar properties to Pen 60/70. The effect of BioCS on changes in rheological properties ASB bitumen is stronger than BioST. The use of bioasbuton made from 15% ASB (by weight of HMA) and 25% BioCS (by weight of ASB) can produce an AC-WC HMA which is equivalent to using pen 60/70. Bioasbuton can be used as an alternative binder to substitute the use of Pen 60/70 in HMA.

Analisis Tingkat Kepuasan Konsumen Terhadap Kualitas Produk (Studi Kasus Goebog Resto, Yogyakarta)

“…Bisnis kuliner harus dapat membaca apa yang menjadi kebutuhan yang sesuai dengan apa yang menjadi harapan konsumen dari produk-produknya agar terciptanya kepuasan bagi para konsumen. Konsumen mendefinisikan kepuasan sebagai suatu perasaan senang dan tidaknya ketika mengkonsumsi produk atau mendapatkan pelayanan yang sesuai ekspektasi (Sihombing & Walvinson, 2021)…”

Stiffness modulus of reclaimed asphalt binder modified with local bio-rejuvenator in Indonesia (dynamic shear rheometer to van der poel nomograph test result)

“…Then the Naphthenic oils category, including SonneWarmix RJ [15] and Ergon hyprene [10]. In the Triglycerides and fatty acids category, for example, Waste vegetable oil/waste cooking oil [16], while for the Tall oils category, for example, Sylvaroad RP1000 [17], [18] and Hydrogreen [7], [19]- [25].…”