第V部門

水中コンクリート／軽量コンクリート（材料）／特殊コンクリート

Chair:Jun Liang

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[V-448] Study on strength development of anti-washout underwater concrete under low temperature environment

〇tetsuya kishida¹, Manato Nakamura², Takeshi Torichigai², Hiroaki Yamano², Toshio Ono¹ (1.Japan Sea Works , 2.KAJIMA)

[V-449] Consideration on the timing of adding thickener agent during the production of underwater inseparable concrete

〇Seishi 白岩 Shiraiwa¹, Yusuke Takiguchi¹, Saburo Kato², Akitsugu Takizawa² (1.Hazama Ando Corporation, 2.Yamaso Chemical)

[V-450] Compressive fatigue strength test of Ultra light and high-flow concrete to fill steel-concrete composite floor slab for slab replacement

〇Akio Utsumoto¹, Masahiro Tameishi¹, Hisanori Nagai¹, Naohiro Fukuda¹, Ryouhei Yoshida¹, Kzunori Kanemoto¹ (1.KONOIKE CONSTRUCTION CO.,LTD)

[V-451] Bleeding and shrinkage properties of ultra lightweight and high fluidity concrete filling a replacement steel-concrete sandwich slab

〇Naohiro Fukuda¹, Masahiro Tameishi¹, Hisanori Nagai¹, Akio Utsumoto¹ (1.KONOIKE CONSTRUCTION CO.,LTD.)

[V-452] Evaluation of expansive concrete for chemical prestressing specializing in crack control

〇Shigeo Hashimura¹, Shyouji Shimomura¹, Katsunori Yokoi², Takuya Kondou² (1.Daioushinyou Corporation, 2.National Institute of Technology, Kochi College)

[V-453] Study on shrinkage reduction of polymer cement mortar

〇Toshinari Mukai¹, Yuuji Watanabe¹, Masakazu Morimoto² (1. KAJIMA CORPORATION , 2.NIPPON SHOKUBAI CO., LTD.)

[V-454] Properties of Latex-Modified Rapid-Hardening Concrete Exposed to Tidal Zone

〇Akiya Okada¹, Yasuhiro Nagashio¹, Kazuhide Yonamine² (1.Taiheiyo Material Company, 2.Port and Airport Research Institute)

[V-455] Evaluation of resistance against immersion of water on immediately remolded concrete using the water penetration rate coefficient.

〇Gyo Taoka¹, Chikanori Hashimoto¹, Takeshi Watanabe¹, Keisuke Ishimaru² (1.Tokushima University, 2.Tokushima University Technical Support Department)

[V-456] A Fundamental Study on Premix Concrete

〇Yugo Kanahori¹, Yasuhiro Nagashio¹ (1.Taiheiyo Materials Corporation)

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