Pengaruh Limbah Steel Slag Sebagai Agregat Kasar Dan Fly Ash Baja Subsitusi Semen Terhadap Kuat Tekan Beton
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Silalahi, Daniel Hamonangan
Sepriyanna, Irma
Sepriyanna, Irma
Subject
Teknik Sipil
Datestamp
2020-02-28 12:04:11
Abstract :
Along with developments in the field of structural engineering technology in Indonesia, the use of concrete is still widely used in construction works such as high rise buildings, roads, dams etc. concrete is easy to work on and can be shaped as desired. In this study the manufacture of concrete using steel slag waste as a substitute for coarse aggregate and steel fly ash as a cement substitution. This additional material aims to determine the effect of adding steel slag as much as 0%, 25%, 50%, 75% of the amount of coarse aggregate and fly ash as much as 10% of the amount of cement to the compressive strength of concrete. Concrete compressive strength testing is performed at the age of concrete 7 days, 14 days and 28 days while absorption is tested every 28 days. From the research, the highest concrete compressive strength was found in concrete variation 4 (steel fly ash 10% + steel slag 75%) of 28,686 MPa, while the highest absorption test results were in concrete variation 4 (steel fly ash 10% + steel slag 75% ) 1,860. The highest slump value obtained from concrete without steel slag and the smallest slump obtained concrete variation 4 (10% steel fly ash + 75% steel slag)
Along with developments in the field of structural engineering technology in Indonesia, the use of concrete is still widely used in construction works such as high rise buildings, roads, dams etc. concrete is easy to work on and can be shaped as desired. In this study the manufacture of concrete using steel slag waste as a substitute for coarse aggregate and steel fly ash as a cement substitution. This additional material aims to determine the effect of adding steel slag as much as 0%, 25%, 50%, 75% of the amount of coarse aggregate and fly ash as much as 10% of the amount of cement to the compressive strength of concrete. Concrete compressive strength testing is performed at the age of concrete 7 days, 14 days and 28 days while absorption is tested every 28 days. From the research, the highest concrete compressive strength was found in concrete variation 4 (steel fly ash 10% + steel slag 75%) of 28,686 MPa, while the highest absorption test results were in concrete variation 4 (steel fly ash 10% + steel slag 75% ) 1,860. The highest slump value obtained from concrete without steel slag and the smallest slump obtained concrete variation 4 (10% steel fly ash + 75% steel slag)
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