Abstract
The most common form of shielding utilized is lead in X-ray rooms, and little attention is given to alternative and more sustainable types of shielding materials. This work evaluates the X-ray radiation shielding parameters of concrete made with fine and coarse electric arc furnace slag aggregates and compares the transmission factor of this type of concrete with lead. Different thicknesses of concrete specimens of 15cm, 17cm, 19cm and 22cm were exposed to X-ray energies of 40kV, 60kV, 80kV, 100kV, 125kV and 150kV. In this work, it was found that at increased thicknesses of the concrete samples, the linear attenuation, mass attenuation coefficient, half value layer and tenth value layer of the concrete improved. It was found that it is possible to construct slag concrete shielding partitions with thicknesses of 104.5mm, 156mm and 176mm respectively which give the same transmission factor as the lead thickness usually used. At 125kV, a relation has been created showing that there was good correlation between the theoretical and experimental values of the transmission factors at the different thicknesses of the slag concrete which could be used to design the X-ray partitions walls.
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