| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection tube which can be easily inserted into a grout injection hole by an operator, even in a limited space with intricate reinforcement structures in a construction work site and in an environment where the operator's attitude and the direction of the grout injection hole are restricted, and which can reduce a grout loss, and an injection method using the injection tube.SOLUTION: A tip of an injection tube 7 whose external diameter Dsatisfies D≤D≤D+4, while Dis an inner diameter of a grout injection hole, and is made of soft materials that can freely bend is inserted into the grout injection hole, and grout is fed under pressure from a rear end of the injection tube 7 and injected into the inside of a mechanical joint or anchor hardware.SELECTED DRAWING: Figure 1 |
