Roja, Odilia Pricilia Jelita (2023) Pengaruh Ukuran Agregat Kasar dan Rasio Volume Agregat Kasar-Semen terhadap Kuat Tekan Beton Non Pasir dengan Filler Batu Apung. Undergraduate thesis, Fakultas Teknik Universitas Merdeka Malang.

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Abstract

The current use of concrete is not only in the scope of the structure, but can also be used for non-structural purposes. The use of concrete in non-structural components is certainly different from structures where the composition is designed in such a way as to produce concrete with more aesthetic and economic value. Therefore, researchers want to find a solution to make concrete that fits the needs of one of which is non-structural concrete, namely non-sand concrete with pumice filler material. Manufacture of non-sand concrete made from pumice filler material made with the volume ratio of coarse aggregate-cement and aggregate gradation to the compressive strength of non-sand concrete. The test object used is a cylinder with a size of 15 x 30 cm and a compressive strength test was carried out at the age of 28 days. There were 36 test objects which were divided into 4 populations. Variations in the volume ratio of coarse aggregate-cement used are 2:1; 3:1; and 4:1 while the aggregate gradation variations used were GB 5 mm, GB 10 mm and GB 20 mm with a 15% pumice filler content. Testing the compressive strength of non-sand concrete was carried out using a Compression Testing Machine based on the ASTM C39 standard. From the results of the study showed that in population 2, with the use of 5 mm aggregate gradation, variations in the coarse aggregate-cement ratio of 2:1 with 15% filler content gave the highest compressive strength value of 23.21 MPa. The highest compressive strength of population 2 increased 12.74% compared to non-sand concrete without filler.

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