MANHOLE RENOVATION STRUCTURE AND CONSTRUCTION METHOD OF MANHOLE RENOVATION

摘要

PROBLEM TO BE SOLVED: To improve an earthquake performance in a manhole renovation structure.SOLUTION: A manhole renovation structure 20 comprises a regenerative material 21 regenerating a manhole 10 communicated with an existing pipe 11, a fitting 22 provided to the regenerative material 21, and a new pipe 23 arranged in the existing pipe 11 and fitted to the fitting 22.SELECTED DRAWING: Figure 2