PENGARUH PENGGUNAAN ABU BATU DAN ABU TONGKOL JAGUNG TERHADAP KUAT TEKAN BETON
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
GANI, NUR AINI ABDUL
Dian Purnama, Dicki
Dian Purnama, Dicki
Subject
Teknik Sipil
Datestamp
2022-09-20 04:14:43
Abstract :
Concrete is one of the composite materials consisting of several materials namely cement, fine aggregates, coarse aggregates and water and added materials in accordance with the provisions. The use of added materials namely stone ash and corn cob ash is done by a certain comparison and meets the requirements as a concrete mixture. As well as the use of stone ash and corn cob ash to make the most of underused waste. The purpose of this study is to find out the value of strong press, slump test value and absorption. Test objects made in the form of cylinders (15x30 cm) with a total of 60 samples. Concrete is planned with fc' 25 MPa. The comparative percentage of stone ash is 40% of the weight of sand and corn cob ash with variations of 0%, 3%, 6% and 9% of the weight of cement. Strong press testing is performed at the age of 7 days, 14 days and 28 days while absorption testing is done at the age of 28 days. The result of this study was the strong value of concrete press on normal concrete variation of 25.53 MPa with absorption value of 0.322% and slump value of 10 cm. Optimum compressive strength found in variation 2 (stone ash 40% + corn cob ash 3%) 29.53 MPa with an absorption rate of 0.43% and a slump value of 9.7 cm. The optimum absorption value is at a variation to 4 (stone ash 40% + corn cob ash 9%) 0.52% with a compressed strength of 27.17 MPa and a slump value of 9 cm.
Concrete is one of the composite materials consisting of several materials namely cement, fine aggregates, coarse aggregates and water and added materials in accordance with the provisions. The use of added materials namely stone ash and corn cob ash is done by a certain comparison and meets the requirements as a concrete mixture. As well as the use of stone ash and corn cob ash to make the most of underused waste. The purpose of this study is to find out the value of strong press, slump test value and absorption. Test objects made in the form of cylinders (15x30 cm) with a total of 60 samples. Concrete is planned with fc' 25 MPa. The comparative percentage of stone ash is 40% of the weight of sand and corn cob ash with variations of 0%, 3%, 6% and 9% of the weight of cement. Strong press testing is performed at the age of 7 days, 14 days and 28 days while absorption testing is done at the age of 28 days. The result of this study was the strong value of concrete press on normal concrete variation of 25.53 MPa with absorption value of 0.322% and slump value of 10 cm. Optimum compressive strength found in variation 2 (stone ash 40% + corn cob ash 3%) 29.53 MPa with an absorption rate of 0.43% and a slump value of 9.7 cm. The optimum absorption value is at a variation to 4 (stone ash 40% + corn cob ash 9%) 0.52% with a compressed strength of 27.17 MPa and a slump value of 9 cm.
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