Jehuru, Philipus Revor (2023) Pengaruh Ukuran Agregat Kasar dan Faktor Air Semen Terhadap Kuat Tekan Beton Non Pasir dengan Filler Kuarsa. Undergraduate thesis, Fakultas Teknik Universitas Merdeka Malang.

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Abstract

Concrete material is often used in the world of construction because it has high compressive strength, in the manufacture of concrete the use of sand as fine aggregate causes density in the concrete so that the specific gravity of the concrete increases. Then a solution or innovation is needed to overcome the normal weight of concrete, namely by using non-sand concrete. Making non-sand concrete produces a lot of cavities, one way to fill these cavities is by using a filler so as to reduce porosity and become a binder between the aggregates making up the concrete. The purpose of making non-sand concrete with quartz filler, variations in coarse aggregate size and water-cement factor aims to determine the effect of coarse aggregate size and water-cement factor on the strength of non-sand concrete with quartz filler. The composition of the mixture used in this study the size of the coarse aggregate was 5 mm, 10 mm, 20 mm, the water-cement factor was 0.4; 0.45; 0.5 with the addition of 15% drained sand filler material, 8% fly ash and 2:1 ratio of cement aggregate. The specimens in this study were cylindrical in shape with a size of 15 cm x 30 cm using a compression testing machine based on the ASTM C39 standard. he results showed that non-sand concrete specimens with variations in the size of coarse aggregate 5 mm, fas 0.4, 15% quartz filler, 8% fly ash and AC 2:1 had the highest average compressive strength of 24.35 MPa. Whereas normal non-sand concrete specimens without filler have the highest average compressive strength of 12.74 Mpa using a coarse aggregate size of 5 mm, AC 2:1 and Fas 0.4. So it can be concluded that in this study the coarse aggregate size of 5 mm and the cement water factor (FAS) of 0.4 had the highest non-sand compressive strength value.

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