| 摘要 |
PROBLEM TO BE SOLVED: To prevent a phenomenon in which a base rock collapse during excavation regardless of the sufficient consolidation of the base rock in a method in which a base-rock consolidated body is injected from the front end section of an injection pipe inserted into the base rock of a ground and the ground is consolidated and reinforced. SOLUTION: A bonding reinforcing means 2 is mounted on the external surface of the injection pipe 22, and bonding strength between the injection pipe and the base rock is made higher than that between the base-rock consolidated body and the base rock.
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