1. 1) S.Takai, T.Kumano, K.Kageyama and S.Inoue, “On the physical properties of mortar added the conductive carbon powder”, Japan Concrete Insitute, Proceedings of Annual Conference Vol.34, No.1, pp1396-1401(2012)
2. 2) S.Takai, T.Kumano, S.Inoue and T.Hayashi, “ Study on Property of Electromagnetic Wave of Mortar Added Conductive Material” Japan Concrete Insitute, Proceedings of Annual Conference Vol.35, No1, pp1369-1374 (2013)
3. 3) M.Miki and T.Kikuchi, “Electromagnetic Wave Absorption Characteristics of Unsaturated Polyester Containing Bincho-Charcoal and Bamboo Charcoal Powders” , J.Jpn.Soc.Powder.Metallurgy Vol.52, No.8, pp630-634(2005)
4. 4) S.Kawabe,T.Ikeda, M.Yasuda and K.Shimogama, “ The Electromagnetic Wave Absorption Characteristic of Quasi Microwave Band in Carbon Mixed Cement Mortar”, CAJ Proceeding of Cement & concrete vol.53, pp744-750(1999)
5. 5) O.Hashimoto, “ Material constant measurement method in the high frequency region”, Morikita Publishing Co., Ltd.(2003.8)