[V-420] Study on Visualization of Grains Cement Particle in SEC Concrete

〇Tomoki Toyama¹, Shuhei ichikawa¹, mituhiko yamamoto², ito yuji², Tetsuro Kasai¹ (1.Tokai Unv., 2.Livecon Enginnering Co.,Ltd)

[V-421] Influence of adhering mortar on mortar proportion

〇Kazuaki Nishimura¹, Syuya Hirano¹, Hironobu Nishi¹ (1.FLOWRIC CO.,Ltd.)

[V-422] Effect of vibration time on material segregation and residual voids in high-fluidity concrete

〇Shota Furukawa¹, Yoshitaka Kato², Isao Amano³, Hayato Takahashi² (1.Tokyo University of Science , 2.Tokyo University of Science, 3.Hozen Maintenance & Management Engineering Co. , Ltd.)

[V-423] Study on separation resistance of medium fluidity concrete

〇Jun Liang¹, Jun SAKAMOTO¹, Tsuyoshi MARUYA¹ (1.taisei corpration)

[V-424] Grasp effect by batcher plant kneading of sens primary lining concrete and the establishment of test kneading tasks

〇Ryo Arikawa¹, Kiyotaka Kato², Seiki Nakamura², Kunikazu Azuma² (1.Japan Railway Construction,Transport and Technology Agency, 2.OKUMURA CORPORATION)

[V-425] Prediction of slump for fresh concrete using mixer power load value by AI technology

〇Hiroyuki Hayano¹, Masatoshi Kudo¹, Kotaro Koike¹, Sho Ozaki², Souichi Ohki² (1.Taiheiyo Cement Corporation, 2.Pacific Systems Corporation)

[V-426] Experimental Study on Improved Quality of Hot Weather Concreting using Special Chemical Admixture

〇Yu Isaji¹, Kuniaki Sakurai¹, Kazuhide Saito², Takuya Oishi² (1.Obayashi Corporation Technical Research Institute , 2.Takemoto Oli and Fat)

[V-427] Study of a concrete slump change with time

〇Hiroki Aiura¹, Takeshi Ootomo¹ (1.Taisei Corporation)

[V-428] Study on optimization of concrete placement planning

〇Takahiko Watanabe¹, Takeda Hitoshi¹ (1.TAISEI CORPORATION Technology Center )

Session information

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