Compressive Strength Characteristic of Concrete Using Mountain Sand

Abstract

Abstract The used of fine aggregate as concrete mixture in building construction is certainly inseparable from the availability of materials. One area that has abundant reserved of fine aggregate was in Lembang Marinding, Tana Toraja Regency, South Sulawesi Province which can be used as fine aggregate in concrete mixture. This research was conducted to determine the compressive strength of concrete from Lembang Marinding sand which was classified as mountain sand as concrete mixture. This research method was carried out experimentally in the laboratory, which was this study aims to obtain the physical properties of the material and which will be used in concrete mixture with a concrete quality plan of f’c 25 MPa. To obtained the results, a series of tests were carried out on 15 cm × 30 cm concrete cylindrical specimens based on Indonesia requirements, SNI 03-2847-2019 standard, to produce compressive strength of concrete. The results showed that the use of natural sand (mountain sand) from Lembang Marinding can be used as fine aggregate in the concrete mixture. The average compressive strength of the concrete produced at the age of 28 days was 26.83 MPa. The compressive strength results obtained have met the planned concrete quality in this research.

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