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Admiral Hazel Rabbani
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Modifikasi Cara Penentuan Kandungan Pasir pada Perancangan Campuran Beton Cara SNI dengan Metode Dreux Gorrise Admiral Hazel Rabbani; Priyanto Saelan
RekaRacana: Jurnal Teknil Sipil Vol 5, No 4: Desember 2019
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaracana.v5i4.21

Abstract

ABSTRAK Pencampuran beton cara SNI menunjukkan bahwa kuat tekan hanya dipengaruhi oleh faktor air-semen, sedangkan jika dievaluasi dengan metode Dreux Gorisse diduga akan menghasilkan kuat tekan yang berbeda karena kuat tekan juga dipengaruhi oleh volume pasir. Modifikasi sedemikian rupa pada penentuan pasir dalam agregat gabungan pada cara SNI agar tidak mempengaruhi kuat tekan beton yang akan dihasilkan, dilakukan dengan cara Dreux Gorisse. Pengujian yang dilakukan menggunakan agregat maksimum 10 mm dan 20 mm, slump rencana 30-60 mm dan 60-180 mm. Modulus kehalusan pasir yang ditinjau adalah 1,5; 2,0; 2,5; 3,0; dan 3,5. Hasil pengujian modifikasi menggunakan agregat maksimum 10 mm dengan slump 30-60 mm dan slump 60-180 mm pada modulus kehalusan pasir 1,5; 2,0; dan 2,5 membuktikan kuat tekan beton tidak dipengaruhi oleh kadar volume pasir. Pada pengujian modifikasi menggunakan agregat maksimum 20 mm dengan slump 30-60 mm dan slump 60-180 mm pada modulus kehalusan pasir 1,5; 2,0; dan 2,5 membuktikan juga bahwa kuat tekan beton tidak dipengaruhi oleh kadar volume pasir. Kata kunci: modulus kehalusan pasir, volume pasir, SNI, kuat tekan ABSTRACT Concrete mixing with the SNI method shows that compressive strength is only influenced by water-cement factors, whereas if evaluated by the Dreux Gorisse method it is assumed that the compressive strength value will be different because the compressive strength is also influenced by the volume of sand. Modifications are made in such a way as to the determination of sand in the combined aggregate on the SNI method so as not to affect the compressive strength of the concrete to be produced by Dreux Gorisse. Tests carried out using a maximum aggregate of 10 mm and 20 mm, slump plans are used 30-60 mm and 60-180 mm. The modulus of sand smoothness reviewed was 1.5, 2.0, 2.5, 3.0 and 3.5. The modified test results using a maximum aggregate of 10 mm with 30-60 mm slump and 60-180 mm slump on sand fineness modulus 1,5, 2,0, and 2,5 prove that the compressive strength of the concrete is not affected by the sand volume level. In testing the modification using a maximum aggregate of 20 mm with 30-60 mm slump and 60-180 mm slump on sand smoothness modulus of 1.5, 2.0, and 2.5 also prove that the compressive strength of the concrete is not affected by the volume level of the sand. Keywords: sand fineness modulus, sand volume, SNI, compressive strength