Investigation of Gamma-Ray Shielding and Strength Properties of Concrete Containing Bismuth and Barite

被引：9

作者：

Azimkhani, S. ^{[1
]}

Kalhor, A. ^{[2
]}

Rahmani, A. ^{[3
]}

Sohrabi, A. ^{[4
]}

机构：

[1] Univ Mohaghegh Ardabili, Dept Phys, POB 179, Ardebil, Iran

[2] Islamic Azad Univ, Shal Branch, Dept Civil Engn, Shal, Iran

[3] Univ Guilan, Dept Civil Engn, Fac Engn, Rasht, Iran

[4] Islamic Azad Univ, Qazvin Branch, Dept Civil Engn, Qazvin, Iran

来源：

IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A-SCIENCE | 2019年 / 43卷 / A4期

关键词：

Radiation shielding; Concrete; Bismuth; Attenuation coefficient; Gamma-ray; AGGREGATE;

D O I：

10.1007/s40995-018-0655-0

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In this article, concrete specimens of different mixtures of cement-barite-bismuth were investigated as gamma-rays shield. For this purpose, a series of 60 concrete specimens were manufactured and their shielding properties were studied. Gamma-rays emitted from gamma sources of Cs-137 were passed through concrete specimens and detected by three inches NaI (Tl) detector. Then, the linear attenuation coefficients, the half-value layer thicknesses and the compressive strengths of the concrete specimens were experimentally determined. A comparison of concrete specimens with and without barite aggregate and bismuth powder revealed that the concrete specimen containing 100% barite aggregate and 15% bismuth powder has the highest value of the linear attenuation coefficient. The results also indicated that the maximum value of the compressive strength is 382.01kg/cm(2) for the concrete specimen with 50% barite aggregate and 10% bismuth powder. High-performance concrete including barite aggregate and bismuth powderincreased shielding properties of concreteagainst gamma-rays.

引用

页码：1967 / 1972

页数：6

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