| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a concrete product by a centrifugal forming method which, in centrifugal forming, minimizes the discharge of slurry and can obtain the concrete product having excellent performance such as inner surface finishing. SOLUTION: In the method for producing the concrete product by centrifugal force by rotating a form filled with concrete, a hormite type argillite is charged into the slurry produced in the concrete product, and the form is further rotated to solidify the slurry on the inner surface of the concrete product. COPYRIGHT: (C)2006,JPO&NCIPI
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