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Koichi Kobayashi and Wataru Koyanagi
This study was conducted on concrete using sewage sludge ash (SSA) with the aim to establish an efficient use of SSA as a cement replacement material. Concrete specimens with three degrees of strength were made from two different SSAs and exposed in temp...
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Koyanagi, M.; Fukushima, T.; Tanaka, T.
Pág. 49 - 59
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C.-X. Luo, L.-F. Yin, S. Koyanagi, M. L. Farman, M. Kusaba, and H. Yaegashi
Pág. 640 - 647
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Keiichi Nakagawa, Hiroki Koyanagi, Takashi Shiraki, Shigeki Saegusa, Katsutake Sasaki, Takashi Oritate, Kazuo Mima, Masanori Miyazawa, Tatsuyo Ishidoya, Kuni Ohtomo, and Kiyoshi Yoda
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Nakagawa, Y. Mimura, M. Miyano, K. Koyanagi, Y. Fujimoto, K.
Pág. 1189 - 1195
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Yamamoto, Y. Anderson, B. D. O. Nagahara, M. Koyanagi, Y.
Pág. 273 - 276
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Koyanagi, J. Kawai, H.
Pág. 1333 - 1338
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Koyanagi J. Kawai H.
Pág. 225 - 234
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