Open AccessUsing Iron Ore Waste As Aggregate in Making K.30 Quality Concrete
Author(s) -
Rajiman Rajiman,
M Amin,
H. Ah. Bambang Setiaji
Publication year - 2020
Publication title -
rekayasa sipil
Language(s) - English
Resource type - Journals
eISSN - 2502-6348
pISSN - 1978-5658
DOI - 10.21776/ub.rekayasasipil.2020.014.01.2
Subject(s) - compressive strength , aggregate (composite) , materials science , iron ore , cement , construction waste , composite material , metallurgy , waste management , engineering
The main component of concrete is cement, water, and aggregate (fine and rough aggregate), with aggregate constituting between 50% and 60% of total volume. Iron stone coming from nature is a material alternative that can be used as rough aggregate in making concrete. This research was conducted by sieving iron ores with sieving particle sizes of 2mm, 2-5 mm, 5-8 mm, and 10-12 mm. The compressive strength test was conducted at 7, 14, and 28 days. The iron ore waste from iron processing can be used as aggregate for K 300 quality concrete because the concrete compressive test result after 28 days by using sieving particle sizes of mesh 20, mesh 5, mesh 8-10, and mesh 10-12 exceeded normal K 300 quality concrete with compressive strength scores of 30.12 MPa, 38.90 MPa, 36.75 MPa, and 32.10 Mpa respectively, while normal K 300 quality concrete had 28.86 MPa compressive strength.