| 摘要 |
PROBLEM TO BE SOLVED: To enable easy construction without deteriorating the strength of unmodified part of even an existing floor inside which a reinforcing steel is placed. SOLUTION: An existing floor modification method for modifying an existing floor by removing a surface layer of an existing floor 1, which is formed by a hardener, and by forming a new surface layer 1N on the removed part. In particular, the new surface layer 1N that has reinforcing posts 1p, 1p... which bite into the existing floor 1 is formed by driving and installing a fiber reinforcing hardener C into the removed part after forming recesses for forming reinforcing posts 50h, 50h.
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