シールドトンネル(7)

[VI-870] Experimental study on admixture used during long-distance pumping of concrete

〇Kouichi Haze¹, Atsumi Sawamura¹, Kenichi Moriya¹, Takayoshi Shiina², Yusuke Takagi², Kuniya Kido³ (1.TODA CORPORATION, 2.NISHIMATSU CONSTRUCTION CO.,LTD., 3.HOKUTO INDUSTRIES CO.,LTD.)

Keywords:long-distance pumping, pumping admixture, time-varying characteristics, initial strength