PEMANFAATAN LIMBAH SERBUK MARMER PADA BETON SEBAGAI BAHAN PENGGANTI SEBAGIAN SEMEN DENGAN VARIASI PENGGUNAAN SILICA FUME
The Utilization of Marble Powder Waste in Concrete Materials as a Partial Material Substitution of Cement with the Variation Use of Silica Fume. The purpose of this study was to determine the effect of marble powder and silica fume on the mechanical properties of concrete. This study used...
| Main Authors: | , , |
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| Format: | Article |
| Language: | Indonesian |
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Universitas Negeri Malang
2015-02-01
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| Series: | Teknologi dan Kejuruan |
| Subjects: | |
| Online Access: | http://journal.um.ac.id/index.php/teknologi-kejuruan/article/view/4434 |
| Summary: | The Utilization of Marble Powder Waste in Concrete Materials as a Partial Material Substitution of Cement with the Variation Use of Silica Fume. The purpose of this study was to determine the effect of marble powder and silica fume on the mechanical properties of concrete. This study used an experimental design using 16 group of testing materials with variety types of mixtures between marble powder and silica fume 0.00; 5.00; 10.00; and 15.00%. The water-cement ratio was 0.50 and a low dosage of superplasticizer, which was 0.50%. The behavior of fresh concrete were calculated and the mechanical properties of concrete were tested on concrete age of 28 days. The results showed the marble powder main composition was Silicon Dioxide (SiO2) 17.63% and Calcium Carbonate (CaCO3) 2.73%. Marble powder was more appropriate to be used as fillers than to be used as a partial substitution of cement. The optimum mechanical properties of concrete was produced by the mixtures of 5.00% marble powder and 6.22% silica fume which resulted in compressive strength of 29.04 MPa.
Tujuan penelitian ini adalah untuk mengetahui pengaruh penggunaan serbuk marmer dan silica fume terhadap sifat mekanik beton. Penelitian ini menggunakan desain eksperimen dengan 16 kelompok benda uji dengan variasi serbuk marmer dan silica fume 0,00; 5,00; 10,00; dan 15,00%. Faktor air semen digunakan 0,50 dan superplasticizer dengan dosis rendah 0,50%. Perilaku beton segar diperhitungkan dan sifat mekanik beton diuji pada umur beton 28 hari. Hasil analisis menunjukkan komposisi utama serbuk marmer adalah Silikon Dioksida (SiO2) 17,63% dan Kalsium Karbonat (CaCO3) 2,73%. Serbuk marmer lebih tepat digunakan sebagai bahan pengisi atau filler dari pada sebagai pengganti semen. Sifat mekanik beton optimum dihasilkan pada campuran serbuk marmer 5,00% dan silica fume 6,22% dengan kuat tekan beton yang dihasilkan mencapai 29,04 MPa. |
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| ISSN: | 0852-0062 2477-0442 |