Pemanfaatan Limbah Abu Terbang (Fly Ash) Cangkan Kelapa Sawit dan Superplasticizer Terhadap Beton
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Siringoringo, Jhon Hardianto
Yuhanah, Tri
Yuhanah, Tri
Subject
Teknik Sipil
Datestamp
2020-02-28 12:04:04
Abstract :
Concrete is the most important and most widely used material in the construction world, in the form of buildings, bridges and roads. Concrete mixture consisting of cement, sand, gravel, water and other added ingredients with a certain ratio. In this study the manufacture of concrete using palm ash shell fly ash as a partial replacement for cement, and the addition of additive admixture, namely superplasticizer. This added material aims to determine the extent of the effect of cement replacement with palm oil fly ash and superplasticizer on the compressive strength of concrete, the tensile strength of concrete and absorptive concrete. The composition of cement replacement with oil palm fly ash is 0%, 5%, 10% and 15% by weight of cement, and superplasticizer is 2%. Compressive strength testing is performed at the age of concrete 7 days, 14 days and 28 days, while the tensile and absorption strength is carried out at the age of 28 days. From the research it was found that the highest compressive strength of concrete was found in concrete mix with Fly Ash 10% + superplasticizer 2% which was 33,404 MPa and from the results of the test of the highest tensile strength in concrete mix with Fly Ash 10% + 2% superplasticizer that was 3,348 MPa while the highest absorption test results are found in normal concrete at 1.85%.
Concrete is the most important and most widely used material in the construction world, in the form of buildings, bridges and roads. Concrete mixture consisting of cement, sand, gravel, water and other added ingredients with a certain ratio. In this study the manufacture of concrete using palm ash shell fly ash as a partial replacement for cement, and the addition of additive admixture, namely superplasticizer. This added material aims to determine the extent of the effect of cement replacement with palm oil fly ash and superplasticizer on the compressive strength of concrete, the tensile strength of concrete and absorptive concrete. The composition of cement replacement with oil palm fly ash is 0%, 5%, 10% and 15% by weight of cement, and superplasticizer is 2%. Compressive strength testing is performed at the age of concrete 7 days, 14 days and 28 days, while the tensile and absorption strength is carried out at the age of 28 days. From the research it was found that the highest compressive strength of concrete was found in concrete mix with Fly Ash 10% + superplasticizer 2% which was 33,404 MPa and from the results of the test of the highest tensile strength in concrete mix with Fly Ash 10% + 2% superplasticizer that was 3,348 MPa while the highest absorption test results are found in normal concrete at 1.85%.
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