| 摘要 |
PROBLEM TO BE SOLVED: To provide a lower face repairing method for a concrete structure, allowing repairing work in a small-clearance site without depending on manual work. SOLUTION: The lower face repairing method for the concrete structure comprises chipping a concrete deteriorating portion on the lower face of the concrete structure with water jet, installing a supporting member at the lower part of the chipped portion before or after the chipping work, and filling mortar in the chipped portion with semi-wet spraying or wet spraying. COPYRIGHT: (C)2005,JPO&NCIPI
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