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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 72 - 80 (9page)
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초록· 키워드
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The main purpose of this research is to improve the shielding of gamma rays by developing special concrete with high physico-mechanical properties using local aggregates. Various concrete mixtures are designed using heavy fine aggregate as a substitute for normal fine aggregate at rates of 20, 40, 60, 80, and 100%, by weight. Other concrete mixtures have been designed by replacing coarse aggregate with 50 and 60% of heavy fine aggregate. The properties such as density, compressive strength, and tensile strength of hardened mixtures were studied. Gamma ray attenuation has been studied on concrete mixtures after exposure to utilized radiation source comprised 137Cs radioactive element with photon energy of 0.662 MeV. From the results, we concluded that the density and compressive strength in addition to the linear attenuation coefficient of hardened mixtures increased with the ratio of replacing normal aggregate with heavy aggregate up to 60%. With an increase of the ratio more than 60%, compressive strength and tensile strength were reduced with the continued increase in density. On the other hand, density and the linear attenuation coefficient increased with the replacement of coarse aggregate by 50 and 60% of the heavy fine aggregate; while both compressive strength and tensile strength decreased.
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등록된 정보가 없습니다.
참고문헌 (22)
참고문헌 신청
Abadi, A. E. A. / 2013 / Study of neutron and gamma radiation protective shield / International Journal of Innovation Studies 3(4):1079~1085
Abo-El-Enein, S. A. / 2014 / Physico-mechanical properties of high performance concrete using different aggregates in presence of silica fume / HBRC Journal 10:43~48
1991 / ACI 211.1. Standard practice for selecting proportions for normal, heavyweight and mass concrete / ACI Committee 211 :1~38
Akkurt, I. / 2010 / Radiation shielding of concrete containing zeolite / Radiation Measurements 45(7):827~830
Al-Humaiqani, M. M. / 2013 / Effect of Compressive Strength on γ-Radiation Attenuation Coefficients for High Performance Concrete / International Journal of Engineering and Technology 5(5):566~572
Abo-El-Enein, S. A. / 2014 / Physico-mechanical properties of high performance concrete using different aggregates in presence of silica fume / HBRC Journal 10:43~48
1991 / ACI 211.1. Standard practice for selecting proportions for normal, heavyweight and mass concrete / ACI Committee 211 :1~38
Akkurt, I. / 2010 / Radiation shielding of concrete containing zeolite / Radiation Measurements 45(7):827~830
Al-Humaiqani, M. M. / 2013 / Effect of Compressive Strength on γ-Radiation Attenuation Coefficients for High Performance Concrete / International Journal of Engineering and Technology 5(5):566~572
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