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    • 11. 发明专利
    • CONFIRMATION DEVICE FOR FILLING OF TUNNEL LINING REAR FACE CAVITY
    • JPH11287092A
    • 1999-10-19
    • JP10532598
    • 1998-04-02
    • SHO BOND CONST
    • YOSHINAGA TATSUROSATO TAKASHIEGUCHI KAZUO
    • E21D11/00
    • PROBLEM TO BE SOLVED: To continuously monitor a condition up to filling completion by having a set measuring-length, and using a filling confirmation device provided with a sensing part having an attaching part detachably attaching an attaching rod to one end. SOLUTION: A sensing part insertion pipe 9 is inserted in a hole drilled in a lining concrete A, and a sensing part 1 with an attaching rod 8 attached to an attaching part 5 is inserted in the sensing part insertion pipe 9. After the tip end of the sensing part 1 is pushed up as for as it reaches the ceiling of a cavity C, the attaching rod 8 is fixed on the sensing part insertion pipe 9 by means of a fixing jig 11. A lead 7 drawn out from the sensing part 1 is connected to a recorder 17 via the attaching rod 8 and the inside of the sensing part insertion pipe 9. When a filling material filled into the cavity C reaches the sensing part 1, the sensing part 1 receives pressure, a resistant wire is brought into contact with a conductor of a part not coated on insulation coating with an insulation film from downward in order, and electric resistance is transmitted to the recorder 17. Thereby a filling condition can be continuously monitored in a rage of measuring length up to the completion.