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Gamma radiation shielding analysis of lead-flyash concretes
Kanwaldeep Singh1, Sukhpal Singh2, A S Dhaliwal3
1Department of Physics, Punjabi University Patiala 147002, India.
Abstract:
Six samples of lead-flyash concrete were prepared with lead as an admixture and by varying flyash content - 0%, 20%, 30%, 40%, 50% and 60% (by weight) by replacing cement and keeping constant w/c ratio. Different gamma radiation interaction parameters used for radiation shielding design were computed theoretically and measured experimentally at 662keV, 1173keV and 1332keV gamma radiation energy using narrow transmission geometry. The obtained results were compared with ordinary-flyash concretes. The radiation exposure rate of gamma radiation sources used was determined with and without lead-flyash concretes.
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