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Pemanfaatan Recycling Asphalt untuk Lapisan AC-WC dengan Penambahan Material Bottom Ash pada Perkerasan Lentur: Utilization of Recycling Asphalt for AC-WC Layers with The Addition of Bottom Ash Material to Pavement Pasayu, Deliansyah; Arliansyah, Joni; Kadarsa, Edi
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 12 No. 1 (2023): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v12i1.182

Abstract

Increasing road construction by adding a thick layer of asphalt on flexible pavement can cause problems, where the more viscous the asphalt layer, the higher the road will be than the houses. In addition, limited natural resources and large-scale use can damage the environmental system and make raw materials increasingly scarce, and their prices continue to increase. This research aims to show that recycled asphalt and bottom ash materials can be reused for flexible pavements. Researchers used experimental methods in the laboratory by testing using the Marshall Test. The results of this study indicate that the asphalt resistance based on the compressive strength of the asphalt mixture of recycled materials and the combination of recycled materials and bottom ash of 10% and 15% so that the values of VMA, VFA, Stability, Meltability, and MQ values ​​obtained from the Marshall Test according to with the General Specifications of Highways of the Ministry of Public Works. It was obtained from the provisions of the physical and mechanical test results of Bottom Ash sourced from the Petra UK Road Materials Laboratory Research with the bottom ash parameter passing the sieve of 18.2%. From the results of all asphalt tests, it is known that the addition of bottom ash to asphalt recycling where the extracted material from recycled asphalt (recycled) both asphalt and the aggregate material itself cannot be reused for flexible pavement layers. This is because the condition of asphalt recycling is old, and the strength of the material itself is weak, so it cannot last long if it is reused.
PERBANDINGAN PENGARUH KECEPATAN ARUS AIR TERHADAP LAJU KOROSI DAN KEKERASAN PADA ALUMUNIUM DAN BAJA KARBON SEBAGAI PROTOTIPE PLAT BODY KAPAL MS, Firdaus; Saud, Eddy; Pasayu, Deliansyah; Yosieguspa, Yosieguspa; Hidayat, Aldi; Febriyanto, Agung
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.4095

Abstract

This study aims to determine the comparison of the effect of air flow velocity on the corrosion rate and hardness of aluminum and carbon steel materials. This study is an experimental study using specimens, namely Aluminum 6061 and low carbon steel AISI 1018. The results showed that 1) the immersion current velocity for 2 days obtained the following results, for the speed with a distance of 12 cm from the dynamo, a speed of 0.073 m / s was obtained for aluminum. Something that is not much different is also obtained for the speed of low carbon steel where with a distance of 12 cm from the dynamo, a speed of 0.075 m / s was obtained. 2) The difference in weight between before and after immersion in the specimen shows that in aluminum the weight difference is smaller than the weight difference in low carbon steel. 3) The corrosion rate of low carbon steel is higher than aluminum. This shows that aluminum is more resistant to corrosion