山岳トンネル (11)

[VI-296] Measurement of Tunnel Rock Support Stress in Fault by Distributed Strain Sensing using Optical Fiber

Takuro Fukuyama¹, Takafumi Imai¹, Toshifumi Koseki¹, *Takafumi Kawamoto², Tomoaki Matsushita², Masako Ishii², Keisuke Kurihara², Yasuyuki Miyajima², Junichi Kawabata² (1. Japan Railway Construction, Transport and Technology Agency , 2. KAJIMA CORPORATION)

Keywords:optical fiber, distributed strain sensing, steel supports, shotcrete, rock support stress measurement