PENGARUH SERBUK BESI SEBAGAI BAHAN TAMBAH CAMPURAN PRODUK CPHMA DENGAN SUHU PEMADATAN BERVARIASI TERHADAP KARAKTERISTIK MARSHALL
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Ramadhan, Rizky
Iduwin, Tommy
Iduwin, Tommy
Subject
Teknik Sipil
Datestamp
2022-09-20 04:28:33
Abstract :
Indonesia is a country with the largest asphalt reserves in the world. Besides that, Indonesia is a tropical country that has high air temperatures what trigger premature damage to asphalt, for that, asphalt with additional materials is needed to be able to increase the durability. The added of material used is iron powder. The addition of iron powder in CPHMA is for reduce iron waste and improve the quality of asphalt which has stronger durability. This study aims to determine the effect of iron filings on CPHMA with varying compaction temperature to the Marshall characteristics. The addition such as 0%, 5%, and 10% levels. Compacted with variations in temperature of 30°C, 60°C, 90°C, 120°C, and 150°C. The method used to mix CPHMA with iron powder which has been weighed according to the plan level, then heated, compacted, soaked for 24 hours, weighed in water and saturated with water, soaked for 30 minutes at 60°C, and finally in the Marshall test. Based on the Marshall test, the highest stability value by include qualified the specifications is at the addition of 5% iron powder with a solidification temperature of 120°C for 1436 kg, with a VFB value of 76%, VIM 4%, VMA 18%, and a yield of 5 mm. Stability increased with each addition of increase variated. In this study, the addition of iron powder can add stability to CPHMA.
Indonesia is a country with the largest asphalt reserves in the world. Besides that, Indonesia is a tropical country that has high air temperatures what trigger premature damage to asphalt, for that, asphalt with additional materials is needed to be able to increase the durability. The added of material used is iron powder. The addition of iron powder in CPHMA is for reduce iron waste and improve the quality of asphalt which has stronger durability. This study aims to determine the effect of iron filings on CPHMA with varying compaction temperature to the Marshall characteristics. The addition such as 0%, 5%, and 10% levels. Compacted with variations in temperature of 30°C, 60°C, 90°C, 120°C, and 150°C. The method used to mix CPHMA with iron powder which has been weighed according to the plan level, then heated, compacted, soaked for 24 hours, weighed in water and saturated with water, soaked for 30 minutes at 60°C, and finally in the Marshall test. Based on the Marshall test, the highest stability value by include qualified the specifications is at the addition of 5% iron powder with a solidification temperature of 120°C for 1436 kg, with a VFB value of 76%, VIM 4%, VMA 18%, and a yield of 5 mm. Stability increased with each addition of increase variated. In this study, the addition of iron powder can add stability to CPHMA.
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