シールドトンネル（シールドマシン）(1)

10:30 AM - 10:40 AM JST(1:30 AM - 1:40 AM UTC)

[VI-913] Selection of optimal cemented carbide tips for shield machine bits

*Kazuhisa Nakahama¹, Makoto Sasaki¹, Fumiyasu Kaya¹, Yasushi Morita² (1. MARUWAGIKEN Co.Ltd., 2. TAISEI CORPORATION)

Keywords:

shield machine,bit,cemented carbide tip,grade,optimal

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