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Advances in Concrete Construction Volume 3, Number 2, June 2015 , pages 103-111 DOI: https://doi.org/10.12989/acc.2015.3.2.103 |
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A new absorbing foam concrete: preparation and microwave absorbing properties |
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Lv Xingjun, Cao Mingli, Li Yan, Li Xin, Li Qian, Tang Rong, Wang Qi and Duan Yuping
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Abstract | ||
The foam concrete was fabricated by adding the foaming agent which composite ordinary Portland cement with plant and animal protein into cement paste, and the electromagnetic wave absorption properties were studied for the first time as well. The studies showed that the electromagnetic waves can be absorbed by multiple reflections and scattering within the porous material. Thickness and filling ratio have a great influence on the electromagnetic wave absorbing properties in 2-18 GHz of the foam concrete, the greater the thickness, the better the performance of absorption; filling ratio was about 52 vol.%, the absorbing properties achieved the best. | ||
Key Words | ||
foam concrete; microwave absorbing; filling ratio; thickness | ||
Address | ||
Lv Xingjun, Cao Mingli, Li Yan, Li Qian, Tang Rong and Wang Qi : School of Civil Engineering, Dalian University of Technology, Dalian 116085, P.R. China Li Xin and Duan Yuping : School of Material and Engineering, Dalian University of Technology, Dalian 116085, P.R. China | ||
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