[V-560] Effect of type of cement to freeze-thaw resistance of concrete cured by steam

〇Hibiki TAKIGUCHI¹, Liang WANG¹, Takashi FUJII¹, Toshiki AYANO¹ (1.Okayama University)

[V-561] Consideration about Frost Damage Resistance of Precast Concrete

〇Kohei Mizuno¹, Hashimoto Manabu¹, Hayashi Daisuke¹ (1.Kajima Corporation)

[V-562] Study on Air Content and Distribution of Air Void Diameter after Hardening of Concrete Products

〇Manabu Hashimoto¹, Hidetomo Takagi¹, Daisuke Hayashi¹ (1.Kajima Corporation)

[V-563] Study on Evaluation Method of PC Sleepers Affected by Frost Damage

〇Shintaro Minoura¹, Tsutomu Watanabe¹ (1.Railway Technical Research Institute)

[V-564] Application of X-ray CT method to the measurement of volume change inside a specimen under repeatedly freezing and thawing

〇Takayuki Fumoto¹, Yukihiro Kawamoto¹, Takao Murata², Yoshiaki Takata³ (1.Kindai University, 2.OSAKA HYOGO CONCRETE INDUSTRIAL ASSOCIATION, 3.FLOWRIC Co.,Ltd.)

[V-565] Consideration on the relationship between the fine particle content of crushed sand and the air void systemu in the hardened material

〇Takayoshi Shiina¹, Yoshiaki Atobe¹, Kei Takahashi¹, Tetsuya Oyamada², Shunsuke Hanehara² (1.Nishimatsu Construction Co., Ltd, 2.Iwate University)

[V-566] Influence of air bubble control using anti-foaming admixture and air-entraining admixture on freeze-thaw resistance of concrete.

〇Kazuhide Saito¹, Ryuhei Kobayashi¹, Ryosuke Saito¹, Tetsuya Oyamada², Shunsuke Hanehara² (1.Takemoto Oil&Fat, 2.Iwate University)

[V-567] Fundamental study on the effect of antifreeze polysaccharide on the inhibition of frost damage in concrete

〇Jingrong Li¹, Hiroaki TSURUTA¹, Hidehisa KAWAHARA¹ (1.Kansai University)

[V-568] Fundamental research on improvement of freezing and thawing resistance of concrete by admixture

〇Yumiko Ohno¹, Daigo Yamada¹, Shinchiro Hashimoto¹, Suguru Tokumitu², Tadanori Sugie², Takayuki Hayakawa³, Kazuki Kosuda³ (1.Chiba Institute of Technology, 2.Fuji P.S Corporation, 3.Taiheiyo Cement Corporation)

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