| 摘要 |
PROBLEM TO BE SOLVED: To provide a surface treatment method for water permeable concrete that can expose aggregate on the surface by easily removing paste or mortar covering the aggregate on the surface of the water permeable concrete without waste water treatment. SOLUTION: In this surface treatment method for the water permeable concrete, the paste or mortar covering the aggregate on the surface of the water permeable concrete is removed to expose the aggregate on the surface by brushing the surface of the hardened water permeable concrete.
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