Muttaqin Hasan, Aris Muyasir, Taufiq Saidi, Husaini, Raudha Azzahra
In this research, calcined diatomaceous earth from Aceh Besar, Indonesia was used as cement replacement in producing high strength concrete. Four concrete mixtures in which the percentage of cement replacement of 0%, 5%, 10% and 15% by weight were studied. Four cylinderspecimens with 100 mm diameter and 200 mm high were prepared for each mixture. The compression load was applied on the specimens at the age of 28 days until the specimens failed. The mixture without calcined diatomaceous earth was more workable than that with diatomaceous earth. The compressive strength of concrete with diatomaceous earth in this study was almost the same for all mixture. However, those compressive strength was lower than the compressive strength of concrete without calcined diatomaceous earth for about 14.6%. Modulus of elasticity of high strength concrete decreased with increasing of cement replacement percentage. © 2020 Trans Tech Publications Ltd, Switzerland.
Department of Civil Engineering, Universitas Syiah Kuala, Darussalam, Banda Aceh, 23111, Indonesia; Department of Mechanical Engineering, Universitas Syiah Kuala, Darussalam, Banda Aceh, 23111, Indonesia
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