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Concrete of various type have been used extensively for the adequate shielding of the radiological equipment using X and gamma rays. In its basic form, concrete is composed of pieces of inert aggregate held together by hardened cement paste. Different concrete types with special cements have been prepared. The linear attenuation coefficients of conventional concrete and concrete with supplementary mineral additives (barite and witherite) at different gamma energies (Co-60: 1.25 MeV, Cs-137: 0.662 MeV, Ir-192: 0.37 MeV) in narrow beam conditions have been measured. This paper includes some experimental data regarding the influence of barite and witherite additives on photon attenuation coefficients of concrete.
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1427-1429
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published
2015-04
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- Horia Hulubei National Institute for Physics and Nuclear Engineering, 30 Reactorului St., Bucharest-Magurele, jud. Ilfov, P.O.B. MG-6, 077125, Romania
author
- Horia Hulubei National Institute for Physics and Nuclear Engineering, 30 Reactorului St., Bucharest-Magurele, jud. Ilfov, P.O.B. MG-6, 077125, Romania
author
- Horia Hulubei National Institute for Physics and Nuclear Engineering, 30 Reactorului St., Bucharest-Magurele, jud. Ilfov, P.O.B. MG-6, 077125, Romania
author
- Horia Hulubei National Institute for Physics and Nuclear Engineering, 30 Reactorului St., Bucharest-Magurele, jud. Ilfov, P.O.B. MG-6, 077125, Romania
author
- CEPROCIM S.A. 6 Preciziei blvd., Bucharest, 062203, Romania
author
- CEPROCIM S.A. 6 Preciziei blvd., Bucharest, 062203, Romania
author
- Technical University of Civil Engineering of Bucharest, 122-124 Lacul Tei blvd, 020396, Bucharest, Romania
References
- [1] R.L. Whitte, J.E. Backstrom, 'Properties of Heavy Concrete with Barite Aggregates' in Concrete for Radiation Shielding, edited by American Concrete Institute, Detroit 1965
- [2] M.F. Kaplan, Concrete for Radiation Shielding, edited by Longman Scientific and Technology, Longman Group, Essex, England 1989
- [3] M.H. Kharita, S. Yousef and M. Al-Nassar, Progress in Nuclear Energy 52, 491 (2010), doi: 10.1016/j.pnucene.2009.11.005
- [4] F. Demir, G. Budak, A. Karabulut, M. Oltulu, A. Un, Annals Nuclear Energy 38, 1274 (2011), doi: 10.1016/j.anucene.2011.02.009
- [5] A.A. Al-Bayati, Indian J. Phys. 78A, 1405 (2004)
- [6] E. Ylmaz, H. Baltas, E. Kiris, U. Cevick, A.M. El-Khayatt, Annals Nuclear Energy 38, 2204 (2011), doi: 10.1016/j.anucene.2011.06.011
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Publication order reference
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bwmeta1.element.bwnjournal-article-appv127n4155kz