トンネル (7)

[III-389] Technology for evaluating ground strength using breaker vibration acceleration and sound pressure during mountain tunnel excavation

*Kurihara Keisuke¹, Kei Yamashita¹, Yasuyuki Miyajima¹, Kensuke Date¹, Yasuhiro Yokota¹, Aya Tanaka¹, Kazumasa Tanaka², Yasushi Chiba³ (1. Kajima Corporation, 2. Nitto Denko Corporation, 3. Kankyochousasekei Ltd)

Keywords:tunnel, soft rock, evaluating ground strength, mechanical property, vibration acceleration and sound pressure