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All Journal Rekayasa Sipil
Fenny Bernavida
Universitas Gunadarma (Depok) or Jl. Sempur Raya No. 73 RT 03 RW 04 Beji Depok 16421
Civil Engineering, Building, Construction & Architecture

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STABILISASI TANAH GAMBUT MENGGUNAKAN ABU BOILER KELAPA SAWIT DITINJAU DARI NILAI CBR LABORATORIUM Fenny Bernavida; Sri Wulandari
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.2

Abstract

Palm oil boiler ash is the waste from the palm oil boiler combustion which contains a lot of silicates. In addition, palm oil boiler ash also contains inorganic cations such as potassium and sodium. Palm oil boiler ash is pozzolanic material, which is a non-binding material such as cement, but contains active Silica Oxide (SiO2) compounds which when reacted with free lime or calcium hydroxide (Ca (OH2)) and water will form materials such as cement, namely calcium Silica Hydrate. In this study, we will use palm oil boiler ash waste which has been stated to have good soil improvement results as a mixture of peat soil improvement in the hope of getting better improvement results from previous studies in terms of California Bearing Ratio values. The boiler ash to be used is a variation of the mixture of 0%, 5%, 10% and 15% to the weight of the soil sample and using 28 days treatment. The California Bearing Ratio value of the original peat soil is 0.247%, the percentage of 5% increases to 0.433%, at the percentage of 10% is 0.629% and at the percentage of 15% is 0,729%. 
Co-Authors Sri Wulandari