STRUCTURE FOR FIXING MINE FACILITY INSTALLING BRACKET IN TUNNEL SEGMENT

摘要

PROBLEM TO BE SOLVED: To provide a structure for fixing a mine facility installing bracket in a tunnel segment, which eliminates unnecessary molding of fixtures for installing a bracket and inconvenience caused at the time of driving in the field, by using a grout hole as a bracket attachment hole for installing mine facilities. SOLUTION: A grout hole GH is formed in a segment 1 at a side location thereof so as to be opened toward the interior of the same. A bolt 19 functioning as a bracket engaging tool is fixed into the grout hole GH, and a fixing plate 11 of a bracket 10 is engaged with the bolt 19.