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Synthetic fiber for cracking cement hardened body for self-healing, cement hardened body containing the same, and crack repair method for cement hardened body
Synthetic fiber for cracking cement hardened body for self-healing, cement hardened body containing the same, and crack repair method for cement hardened body
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机译:用于自修复的水泥硬化体的裂化用合成纤维,含有该纤维的水泥硬化体以及水泥硬化体的裂纹修复方法
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摘要
PROBLEM TO BE SOLVED: To provide a synthetic fiber for self-healing of a crack of a cement hardened body, which accelerates self-healing of the crack of the cement hardened body, the cement hardened body including the synthetic fiber, and a method for repairing the crack of the cement hardened body.SOLUTION: A synthetic fiber for self-healing of a crack of a cement hardened body has a noncircular cross section. One or more resins selected from a group consisting of a polyolefin-based resin and a polyacetal resin occupy at least a part of a fiber surface, and the noncircular cross section has two or more protrusions. The cement hardened body includes the synthetic fiber for self-healing of the crack of the cement hardened body and cement. The invention is also related to a method for repairing the crack of the cement hardened body, in which the crack is self-healed by intermittently or continuously imparting water to the cracked part of the cement hardened body including the synthetic fiber for self-healing of the crack of the cement hardened body and cement.
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