Malo, Elisabeth (2024) Pengaruh Ukuran Agregat Kasar Gabungan Dan Rasio Agregat Kasar-Semen Terhadap Kuat Tekan Dan Porositas Beton Non Pasir Dengan Filler Kaca. Undergraduate thesis, Fakultas Teknik Sipil Universitas Merdeka Malang.

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Abstract

No fines concrete is lightweight concrete which does not use fine aggregate (sand) in the manufacturing process. Because there is no sand in the mixture, this causes the concrete to be hollow or porous. These pores cause high porosity in
concrete, so it needs to be overcome by using glass filler as a filler in non-sand concrete.
The aim of this research is to determine the effect of combined coarse aggregate size and coarse aggregate-cement ratio on the compressive strength and porosity of non-sand concrete with glass filler.
The aim of this research is to produce compressive strength and determine the porosity value of non-sand concrete with glass filler, with 72 cylindrical test objects measuring 15x30 cm with a combined coarse aggregate used of 5-10 mm, 5-20 mm, 10-20 mm, the coarse aggregate-cement (AC) ratio is 2:1, 3:1 and 4:1, the water cement factor is 0.5 with the addition of 15% glass filler. Compressive strength and
porosity tests were carried out at 28 days of concrete, compressive strength testing was carried out using a Compression Testing Machine (CTM) based on ASTM C39
concerning Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens for cylindrical test specimens.
The results of the research show that the highest compressive strength of nons and concrete is found
in variations in the size of the combined coarse aggregate
of 5-10 mm, with a ratio of AC 2:1 of 22.08, and the lowest compressive strength is found in variations in the size of the combined coarse aggregate of 10-20 mm in the ratio AC 4:1 is 17.93 Mpa. The highest porosity value for non-sand concrete is found in the combined coarse aggregate variation of 10-20 mm with an AC ratio of 4:1 of 17.62%, and the lowest porosity value is found in the combined coarse aggregate
variation of 5-10 mm with an AC ratio of 2:1 of 13.07 %.

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