| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a self-healing concrete exhibiting a stable self-healing effect under any environment, without deteriorating flowability, by using a specified fine aggregate. <P>SOLUTION: The fine aggregate for the self-healing concrete comprises clinker having 5 mm or less of maximum particle size, containing 2 mass% or less of component having 45 μm or less of particle size, and containing 10 mass% or more of component having above 45 μm and 1 mm or less of particle size, the clinker is high-early-strength cement clinker and/or ecocement clinker. The self-healing concrete is blended with 150 kg/m<SP POS="POST">3</SP>or more of the fine aggregate for the self-healing concrete, the self-healing concrete is further blended with an expansion material, the self-healing concrete is blended further with clinker coarse aggregate. And cement is one kind, or two kinds or more selected from the group comprising low heat cement, moderate heat cement and fly ash cement, in the self-healing concrete. <P>COPYRIGHT: (C)2012,JPO&INPIT |
