Mechanical properties and radiation shielding performance in concrete with electric arc furnace oxidizing slag aggregate

被引:0
作者
Lim, Hee Seob [1 ]
Lee, Han Seung [2 ]
Kwon, Seung Jun [1 ]
机构
[1] Hannam Univ, Dept Civil Engn, 70 Hannam Ro, Daejeon 34430, South Korea
[2] Hanyang Univ, ERICA, Dept Architecture Engn, Ansan 15588, South Korea
来源
JOURNAL OF CERAMIC PROCESSING RESEARCH | 2019年 / 20卷 / 04期
基金
新加坡国家研究基金会;
关键词
Electric arc furnace oxidizing slag; Concrete; Radiation shielding concrete; Magnetite; X-ray; Gamma-ray; ATTENUATION COEFFICIENTS; STEEL SLAG; EAF SLAG; GAMMA; DENSITY; ENERGY; BARITE; LEAD;
D O I
10.9728/dcs.2019.20.2.363
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In this study, physical properties of normal concrete, magnetite concrete, EAF concrete, and EAF concrete with added iron powder were evaluated and a feasibility of radiation shielding is also evaluated through irradiation tests against X-rays and gamma-rays. While the unit weight of EAF concrete (3.21 t/m(3)) appeared lower than that of magnetite concrete (3.50 t/m(3)), the results in compressive strength of EAF concrete were greater than those in magnetite and normal concrete. While the radiation transmission rate of normal concrete reaches 26.0% in the X-ray irradiation test, only 6.0% and 9.0% of transmission rate were observed in magnetite concrete and linear relationship with unit volume weight and radiation shielding. In the gamma-ray irradiation test, the performance of EAF and magnetite concretes appeared to be similar. Through the results on the excellent physical properties and radiation shielding performance a potential applicability of EAF concrete to radiation shielding was verified.
引用
收藏
页码:363 / 371
页数:9
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