STUDI PEMANFAATAN LIMBAH ABU AMPAS TEBU SEBAGAI
BAHAN SUBTITUSI SEMEN DAN LIMBAH BATA RINGAN SEBAGAI BAHAN SUBTITUSI AGREGAT HALUS PADA PAVING BLOCK DITINJAU DARI ASPEK TEKNIS DAN EKONOMIS
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
RAHMAN, MUH.ACHWAN
Putri, Desi
Putri, Desi
Subject
Teknik Sipil
Datestamp
2022-09-20 01:35:17
Abstract :
Paving block as a building material is often used for pavement, be it roads, sidewalks, or parks consisting of a mixture of cement, sand, water, and other filling materials. In this study the manufacture of paving blocks using bagasse ash as a cement substitute and lightweight brick as a fine aggregate substitute, this study aims to determine the compressive strength, water absorption, and economic value of paving blocks. The composition of the material used is 1 PC : 4 Sand with variations of 5% sugarcane ash waste for cement substitution and 0%, 5%, 10%, 15%, 20%, and 25% light brick waste for sand substitution. The compressive strength test was carried out at the age of 7 days, 14 days, and 28 days and water absorption at the age of 28 days. The results of the optimum compressive strength variation (5% bagasse ash + 10% light brick) was 18.50 MPa with a water absorption percentage of 6.375%. The results of the calculation of the economic value of paving blocks obtained that the price paving blocks bagasse ash waste and lightweight brick waste is cheaper than paving blocks normal Rp. 1.218, - while for normal paving blocks it is Rp. 1.304, - with a price difference of Rp. 86.
Paving block as a building material is often used for pavement, be it roads, sidewalks, or parks consisting of a mixture of cement, sand, water, and other filling materials. In this study the manufacture of paving blocks using bagasse ash as a cement substitute and lightweight brick as a fine aggregate substitute, this study aims to determine the compressive strength, water absorption, and economic value of paving blocks. The composition of the material used is 1 PC : 4 Sand with variations of 5% sugarcane ash waste for cement substitution and 0%, 5%, 10%, 15%, 20%, and 25% light brick waste for sand substitution. The compressive strength test was carried out at the age of 7 days, 14 days, and 28 days and water absorption at the age of 28 days. The results of the optimum compressive strength variation (5% bagasse ash + 10% light brick) was 18.50 MPa with a water absorption percentage of 6.375%. The results of the calculation of the economic value of paving blocks obtained that the price paving blocks bagasse ash waste and lightweight brick waste is cheaper than paving blocks normal Rp. 1.218, - while for normal paving blocks it is Rp. 1.304, - with a price difference of Rp. 86.
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