| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and device for substrate treatment at leaking part of concrete structure by which not only leakage water can be conveyed quickly and surely, but also substrate treatment can be performed inexpensively, at the leaking part of a concrete structure without compromising the fine surface view of the structure. SOLUTION: The substrate treatment for surface finishing, such as the painting, lining, etc., is performed on the leaking part of the concrete structure 1 by eliminating water flows from the surface of the structure 1 by forcibly conveying the leakage water from the crack K of the structure 1 by means of a vacuum generating device, such as a sucking apparatus 2, ejector 3, etc.
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