• Title/Summary/Keyword: Amorphous boron steel fiber

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Mechanical Properties and Neutron Shielding Performance of Concrete with Amorphous Boron Steel Fiber (비정질 붕소강 섬유를 혼입한 콘크리트의 역학적 성능 및 중성자 차폐성능 평가)

  • Lee, Jun Cheol;Kim, Wha Jung
    • Journal of the Korea Institute of Building Construction
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    • v.17 no.1
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    • pp.9-14
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    • 2017
  • Mechanical properties and neutron shielding performance of concrete with amorphous boron steel fiber have been investigated in this study. The measurement of this investigation includes air contents, slump loss, compressive strength, flexural strength, flexural toughness and neutron shielding rate. Four different fiber volume fractions were selected ranging from 0.25% to 1.0% by volume for the amorphous boron steel fibers. The testing results showed that the flexural toughness and the neutron shielding rate were increase with the increase of volume fraction for amorphous boron steel fiber. Based on the result, it is concluded that the concrete with the amorphous boron steel fiber can be effectively applied to shield the neutron and to improve mechanical properties.

Mechanical Properties and Neutron Shielding Rate of Concrete with Borosilicate-Glasses and Amorphous Boron Steel Fiber (붕규산유리 및 비정질 붕소강 섬유를 혼입한 콘크리트의 역학적 성능 및 중성자 차폐성능 평가)

  • Lee, Jun-Cheol
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.4 no.3
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    • pp.269-275
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    • 2016
  • In this study, the mechanical properties and the neutron shielding rate of concrete with the borosilicate glass and the amorphous boron steel fiber were investigated. The measures of this investigation includes air contents, slump loss, compressive strength, static modulus of elasticity, compressive toughness, flexural strength, flexure toughness and neutron shielding rate. As a result, the neutron shielding rate of the concrete with borosilicate glasses increased even though the compressive strength and flexural strength decreased in comparison with that of plain concrete. Also, the mechanical toughness and the neutron shielding rate of the concrete with amorphous boron steel fiber increased in comparison with that of plain concrete.