Radiation shielding properties of high performance concrete reinforced with basalt fibers infused with natural and enriched boron

被引：82
作者：
Zorla, Eyup [1 ]
Ipbuker, Cagatay [1 ]
Biland, Alex [2 ]
Kiisk, Madis [1 ]
Kovaljov, Sergei [3 ]
Tkaczyk, Alan H. [1 ]
Gulik, Volodymyr [4 ]
机构：
[1] Univ Tartu, Inst Phys, Tartu, Estonia
[2] US Basalt Corp, Houston, TX USA
[3] OU Basaltest, Tartu, Estonia
[4] Inst Safety Problems Nucl Power Plants, Lysogirska 12,201, UA-03028 Kiev, Ukraine
来源：
NUCLEAR ENGINEERING AND DESIGN | 2017年 / 313卷
关键词：
Basalt fiber; Boron; Gamma-ray shielding; Neutron shielding; WinXCom; Serpent; EFFECTIVE ATOMIC NUMBERS; MASS ATTENUATION COEFFICIENTS; CROSS-SECTION; FLY-ASH; PHOTON INTERACTION; ENERGY-ABSORPTION; GAMMA-RAY; ELECTRON-DENSITIES; BORATE GLASSES; LARGE VOLUMES;
D O I：
10.1016/j.nucengdes.2016.12.029
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The importance of radiation shielding is increasing in parallel with the expansion of the application areas of nuclear technologies. This study investigates the radiation shielding properties of two types of high strength concrete reinforced with basalt fibers infused with 12-20% boron oxide, containing varying fractions of natural and enriched boron. The gamma-ray shielding characteristics are analyzed with the help of the WinXCom, whereas the neutron shielding characteristics are modeled and computed by Monte Carlo Serpent code. For gamma-ray shielding, the attenuation coefficients of the studied samples do not display any significant variation due to the addition of basalt-boron fibers at any mixing proportion. For neutron shielding, the addition of basalt-boron fiber has negligible effects in the case of very fast neutrons (14 MeV), but it could considerably improve the neutron shielding of concrete for nuclear facilities producing a fast fission spectrum (e.g. with reactors as BN-800, FBTR) and thermal neutron spectrum (Light Water Reactors (LWR)). It was also found that basalt-boron fiber could decrease the thickness of radiation shielding material in thermal spectrum reactors. (C) 2016 Elsevier B.V. All rights reserved.
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收藏
页码：306 / 318
页数：13
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