IMPERVIOUS WALL CONSTRUCTION METHOD OF EXISTING CUTTER PIPE

摘要

PROBLEM TO BE SOLVED: To provide an impervious wall construction method of an existing sluice pipe capable of easily constructing a impervious wall around the existing sluice pipe. SOLUTION: The periphery of a sluice pipe 1 arranged across a bank 2 is excavated in a wall shape. A impervious film 7 is stretched over the excavated wall-shaped space 6. Fluidized earth is filled to construct the impervious wall to thereby easily construct the impervious wall around the existing sluice pipe 1.