Research Article
The Effect of Nickel Slag Concentrationas Coarse Aggregates on the Compressive Strength of Concrete
@INPROCEEDINGS{10.4108/eai.1-4-2019.2287229, author={Rini Sriyani and Edward Ngii and Abdul Kadir and Muh. Hasbi and Uniadi Mangidi and Dwi Endang Wahyuni}, title={The Effect of Nickel Slag Concentrationas Coarse Aggregates on the Compressive Strength of Concrete}, proceedings={International Conference on Environmental Awareness for Sustainable Development in conjunction with International Conference on Challenge and Opportunities Sustainable Environmental Development, ICEASD \& ICCOSED 2019, 1-2 April 2019, Kendari, Indonesia}, publisher={EAI}, proceedings_a={ICEASD\&ICCOSED}, year={2019}, month={9}, keywords={concrete nickel slag aggregate cement compressive}, doi={10.4108/eai.1-4-2019.2287229} }- Rini Sriyani
Edward Ngii
Abdul Kadir
Muh. Hasbi
Uniadi Mangidi
Dwi Endang Wahyuni
Year: 2019
The Effect of Nickel Slag Concentrationas Coarse Aggregates on the Compressive Strength of Concrete
ICEASD&ICCOSED
EAI
DOI: 10.4108/eai.1-4-2019.2287229
Abstract
Production of nickel slag waste from PT. Antam Pomalaa currently reaches 1 million tons/year. One effort to reduce the waste is by using it as an aggregate of concrete mixtures. However, the use of substandard agglomerates (nickel slags) to replace natural aggregates as a whole has not been possible. The purpose of this study was to determine the compressive strength of concrete that used nickel slag as coarse aggregate. Nickel slagswere broken down with a stone crusher and filtered into coarse aggregates with the size of 1-2 cm. Concrete mix design referred to SNI 03-2834-200. The nickel slag was varied by a concentration of 0%, 25%, 50%, 75%, and 100%. The specimens were a cube with the length, width, and height of 15 × 15 × 15 cm with a total of 15 cubes. Testing was done after the concrete reached the age of 28 days with a compression test tool. The test results show that the compressive strength of concrete at the age of 28 days for the samples with slag concentration of 0% (control), 25%, 50%, 75%, and 100% reached 17.61 MPa, 13.65 MPa, 17.24 MPa, 17.34 MPa, and 21.95 MPa, respectively.