Concrete with-mold backfill grouting system and grouting method for vault of tunnel
A grouting system and concrete technology, which is applied in tunnels, tunnel linings, earthwork drilling and mining, etc., can solve the problems of high investment in equipment, long construction period, backfilling and grouting in empty areas, etc. The effect of good connection performance and excellent self-leveling performance
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[0018] The present invention will be described in detail below in conjunction with the drawings:
[0019] A backfilling and grouting system for tunnel vault concrete with a mold, including a primary lining 4, a waterproof layer 5 is arranged in the primary lining 4, and a secondary lining trolley 6 is arranged directly below the primary lining 4, and the secondary lining platform A secondary lining concrete 9 is poured between the vault of the trolley 6 and the waterproof layer 5. A cavity 11 is provided between the secondary lining concrete 9 and the waterproof layer 5 above the vault of the secondary lining trolley 6. A backfill grouting port 7 is provided on the vault of the lining trolley 6, a flange 8 is provided on the backfill grouting port 7, and the end of the backfill grouting pipe 1 is inserted into the backfill grouting port 7 through the flange 8 The port of the backfill grouting pipe 1 is topped on the waterproof layer 5 of the primary lining. The end of the backfil...
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