CHANNEL REPAIR METHOD

摘要

PROBLEM TO BE SOLVED: To provide a channel repair method capable of surely carrying out repair work of the existing channel without making the dilution or causing the segregation even if a backfill material is directly placed to a repairing position from which water flows and even if a by-pass channel is not made. SOLUTION: The channel repair method is so constituted that a channel molding body is constructed inside of the existing channel and that a plastic grout obtained by stirring and mixing a liquid A of a cement milk and a liquid B of a suspension containing a plasticizing material is grouted in a space formed between the existing channel and the channel molding body.