| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure and a method for reinforcing natural ground, which can improve landscape of a natural ground surface by preventing a head of a rock bolt from protruding from the natural ground surface, and which can enhance workability.SOLUTION: A coupler 12 having a female screw part is screwed to a tip part 13a of a rock bolt 13 embedded via grout 3 in a drilled hole 21 formed in natural ground 2, from a back end side so that an end surface on the side of a tip part 12a of the coupler can be positioned near a surface 22 of the natural ground 2. A male screw part 11b of a headed bolt 11 is screwed into the female screw part of the coupler from the side of the tip part 12a of the coupler 12 to reinforce the natural ground 2. |
