山岳トンネル(9)

4:20 PM - 4:30 PM JST(7:20 AM - 7:30 AM UTC)

[VI-1295] Visualization and evaluation of tunnel excavation surfacemirror bolts improvement range using fluorescent materials.

*Yuya Okido¹, SUGURU OOKAWARA², NAOKI IKUSHIMA², HIDEAKI MIKAMI², YOSHITOMO TATSUMI² (1. West Nippon Expressway Company Limited, 2. TODA Corporation)

Keywords:

Geological defect,Auxiliary method,Fluorescent agent

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