| 摘要 |
PROBLEM TO BE SOLVED: To provide a porous concrete placing method and device capable of placing porous concrete easily. SOLUTION: In this method, porous concrete material M is conveyed to a concrete placing position together with air through a supply pipe 8. In the section of the downstream side of the supply pipe 8, a part of the air is separated from the porous concrete material M. COPYRIGHT: (C)2004,JPO
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