| 摘要 |
PROBLEM TO BE SOLVED: To provide a tank interior repairing method and a repairing structure for it, in which an FRP is used on an inner wall of a buried tank, ground tank, or vertical tank for repairing. SOLUTION: Access to the inside is gained through an opening made in a buried tank, a ground tank, or a vertical tank. In the maintenance of the buried tank 1 for example, the buried tank 1 is cleaned, then, repaired and mended, and lined with FRP (prepreg sheet 11). The structure further ensures repairing and mending of the buried tank 1 and makes it possible to provide various tanks which can be used for a long time.
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