山岳トンネル (9)

[VI-788] Measurment of invert and lining concrete stress by using distributed optical fiber for tunnel maintenance

*Saki Kurokawa¹, Takashi Uenami¹, Eiji Sasaki¹, Hayato Nonaka¹, Yasuyuki Miyajima¹, Riki Sakamoto² (1. Kajima Corporation, 2. Ministry of Land, Infrastructure, Transport and Tourism)

Keywords:tunnel, maintenance, invert, heaving, measurement of stress, distributed optical fiber