Pengaruh Fly Ash Dengan Penambahan Silica Fume dan Superplasticizer Terhadap Beton
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Amandaningisih, Amandaningisih
Yuhanah, Tri
Yuhanah, Tri
Subject
Teknik Sipil
Datestamp
2019-09-16 02:59:55
Abstract :
The utilization of fly ash waste is expected to overcome the environmental problems, because the waste is included in the b3 waste category which is when polluting the environment will have a negative impact on the environment itself and human being. Therefore this study aims to utilize the fly ash as a cement replacement material that varies with the addition of silica fume and superplasticizer to the concrete, and also to compare between the normal concrete with the variation concrete with self-compaction concrete method. Percentage of fly ash usage with silica fume and superplasticizer is divided into several variations, namely : variation A5% ( Fly ash 5%, Silica Fume 2% and Superplasticizer 2%), variation A10% (Fly ash 10%, Silica Fume 4% and Superplasticizer 2%), variation A15% (Fly ash 15%, Silica Fume 6% and Superplasticizer 2%), variation A20% (Fly ash 20%, Silica Fume 8% and Superplasticizer 2%, and variation A25% (Fly ash 25%, Silica Fume 10% and Superplasticizer 2%). In the process, it is done with slump test and slump flow, and testing of concrete time setting to show the initial bonding time on the concrete. The highest yield of compressive strength occurred in concrete with fly ash 10% variation, 4% silica fume, and 2% superplasticizer, the compressive strength equal to 47,279 MPa compared to normal concrete 33,063 MPa, and can influence slump value and concrete time setting.
The utilization of fly ash waste is expected to overcome the environmental problems, because the waste is included in the b3 waste category which is when polluting the environment will have a negative impact on the environment itself and human being. Therefore this study aims to utilize the fly ash as a cement replacement material that varies with the addition of silica fume and superplasticizer to the concrete, and also to compare between the normal concrete with the variation concrete with self-compaction concrete method. Percentage of fly ash usage with silica fume and superplasticizer is divided into several variations, namely : variation A5% ( Fly ash 5%, Silica Fume 2% and Superplasticizer 2%), variation A10% (Fly ash 10%, Silica Fume 4% and Superplasticizer 2%), variation A15% (Fly ash 15%, Silica Fume 6% and Superplasticizer 2%), variation A20% (Fly ash 20%, Silica Fume 8% and Superplasticizer 2%, and variation A25% (Fly ash 25%, Silica Fume 10% and Superplasticizer 2%). In the process, it is done with slump test and slump flow, and testing of concrete time setting to show the initial bonding time on the concrete. The highest yield of compressive strength occurred in concrete with fly ash 10% variation, 4% silica fume, and 2% superplasticizer, the compressive strength equal to 47,279 MPa compared to normal concrete 33,063 MPa, and can influence slump value and concrete time setting.
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