Presentation Information
[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