Reflection and transmission performances of concrete slabs mixed with reduced iron powder

Zheng Guozhi; Chen Bin; Zhang Zehai; Zhang Sheng

doi:10.11884/HPLPB201527.043202

Volume 27 Issue 04

Mar. 2015

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Zheng Guozhi, Chen Bin, Zhang Zehai, et al. Reflection and transmission performances of concrete slabs mixed with reduced iron powder[J]. High Power Laser and Particle Beams, 2015, 27: 043202. doi: 10.11884/HPLPB201527.043202

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Zheng Guozhi, Chen Bin, Zhang Zehai, et al. Reflection and transmission performances of concrete slabs mixed with reduced iron powder[J]. High Power Laser and Particle Beams, 2015, 27: 043202. doi: 10.11884/HPLPB201527.043202

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Reflection and transmission performances of concrete slabs mixed with reduced iron powder

doi: 10.11884/HPLPB201527.043202

1.
College of Basic Education,National University of Defense Technology,Changsha 410072,China

Received Date: 2014-09-16
Rev Recd Date: 2014-12-15
Publish Date: 2015-03-23

Abstract

Abstract

We studied the reflection and transmission performance by controlling the thickness of the concrete slabs and the mixing amount of reduced iron powder and introducing wire netting into the concrete slabs. We used a bow-frame for the test of reflectivity and a two-port method for the test of transmission attenuation. The frequency band of the reflectivity ranges from 2 to 18 GHz. The frequency band of the transmissions measurement ranges from 12 to 18 GHz. The reflectivity of different concrete slabs is around -5 dB. When the mixing amount of reduced iron power in concrete slabs is above 200 kg/m3, the transmission attenuation can reach －50 dB. By analyzing experimental results, we can find that the concrete slabs thickness, the mixing amount of reduced iron powder and the wire netting have heavy effect on transmission attenuation, but little effect on reflectivity.
- reduced iron powder,
- concrete,
- wire netting,
- reflectivity,
- transmissivity

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