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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 1,230 - 1,236 (7page)
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초록· 키워드
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This study aims to determine the effect of fly ash with a high replacing ratio of clay on the radiation shielding properties of bricks. Some interaction parameters (mass attenuation coefficients, half value layer, effective atomic number, effective electron density, and absorption efficiency) of clay fly ash bricks were measured with a NaI(Tl) detector at 661.6 keV, 1173.2 keV, and 1332.5 keV. For the investigation of their shielding behavior, fly ash bricks were molded using an admixture to clay. A narrow beam transmission geometry condition was used for the measurements. The measured values of these parameters were found in good agreement with the theoretical calculations. The elemental compositions of the clay fly ash bricks were analyzed by using an energy dispersive X-ray fluorescence spectrometer. At selected energies the values of the effective atomic numbers and effective electron densities showed a very modest variation with the composition of the fly ash. This seems to be due to the similarity of their elemental compositions. The obtained results were also compared with concrete, in order to study the effect of fly ash content on the radiation shielding properties of clay fly ash bricks. The clay fly ash bricks showed good shielding properties for moderate energy gamma rays. Therefore, these bricks are feasible and eco-friendly compared with traditional clay bricks used for construction.
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참고문헌 (25)
참고문헌 신청
M.N. Alam / 2001 / Attenuation coefficients of soils and some building materials of Bangladesh in the energy range 276-1332 keV / Appl. Radiat. Isot 54:973~976
M.I. Awadallah / 2007 / Experimental investigation of γray attenuation in Jordanian building materials using HPGespectrometer / J. Environ. Radioact 94:129~136
K.S. Mann / 2013 / Investigations of some building materials for γ-rays shielding effectiveness / Radiat. Phys. Chem 87:16~25
C. Singh / 2004 / Energy and chemical composition dependence of mass attenuation coefficients of building materials / Ann. Nucl. Energy 31:1199~1205
I.C.P. Salinas / 2006 / Effective density and mass attenuation coefficient for building material in Brazil / Appl. Radiat. Isot 64:13~18
M.I. Awadallah / 2007 / Experimental investigation of γray attenuation in Jordanian building materials using HPGespectrometer / J. Environ. Radioact 94:129~136
K.S. Mann / 2013 / Investigations of some building materials for γ-rays shielding effectiveness / Radiat. Phys. Chem 87:16~25
C. Singh / 2004 / Energy and chemical composition dependence of mass attenuation coefficients of building materials / Ann. Nucl. Energy 31:1199~1205
I.C.P. Salinas / 2006 / Effective density and mass attenuation coefficient for building material in Brazil / Appl. Radiat. Isot 64:13~18
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