Zero cement geopolymer concrete as an anti-radiation material with iron slag as a coarse aggregate | ARPN Journal of Engineering and Applied Sciences 2024

Author(s)

Dhiya Ulhaq Azhara Department of Civil Engineering,Universitas Pembangunan Jaya, Banten,Indonesia

Agustinus Agus Setiawan Department of Civil Engineering,Universitas Pembangunan Jaya, Banten,Indonesia

Abstract

This research aims to analyze the use of iron slag as a substitute for coarse aggregate in geopolymer concrete as an anti-radiation material. In this program, 45 cylindrical 15 × 30 cm test objects were used. Treatment of the specimens was carried out by immersing them in a pool for 7 days, 14 days, and 28 days. Variations in iron slag in this study were taken at 0%, 20%, 25%, 30% and 35%. The radiation test is carried out by exposing the test object to X-rays, which is carried out in the Radiotherapy room at the Dharmais Cancer Hospital, Jakarta The results of radiation tests with a dose of 100 kV, geopolymer concrete with 35% iron slag was able to absorb 17.63% higher radiation than normal test objects without slag. Apart from that, the addition of iron slag with a content of 35% was able to reduce the reduction in compressive strength of concrete exposed to radiation. It was recorded that with 35% slag, there was a reduction in compressive strength of 5.09% after radiation. Based on its specific gravity, geopolymer concrete with 35% iron slag produces a specific gravity of up to 3,162.34 kg/m3, or an increase of 31.76% from the specific gravity of normal concrete.

Publication Details

Page(s) 1416-1420

DOI DOI not available

Published Journal: ARPN Journal of Engineering and Applied Sciences, Volume: 19, Issue: 23, Year: 2024

Keywords

Radiation compressive strength Coarse aggregate geopolymer concrete iron slag

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