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A platform for research: civil engineering, architecture and urbanism
Functional gradient ultrahigh-ductility geopolymer composite material and preparation method thereof
The invention belongs to the technical field of preparation of ultrahigh-ductility geopolymer composite materials, and particularly relates to a functional gradient ultrahigh-ductility geopolymer composite material and a preparation method thereof.The composite material is prepared from, by mass, 20-30% of fine aggregate, 70-80% of cementing material, an alkali activator, polyvinyl alcohol fiber and steel fiber; the cementing material comprises the following components in percentage by mass: 50-70% of slag, 20-30% of metakaolin and 10-20% of silica fume; the ratio of the total mass of the fine aggregate and the cementing material to the alkali activator is 1kg: (200-350ml); the polyvinyl alcohol fiber accounts for 0-1% of the total mass of the binding material and the fine aggregate; and the steel fiber accounts for 3.3-16.5% of the total mass of the binding material and the fine aggregate. The ultrasonic technology is utilized to generate a cavitation effect and a sound streaming effect on the steel fibers in the ultrahigh-ductility geopolymer composite material, so that the steel fibers are uniformly distributed, and steel fiber impurities and bubbles in slurry are removed.
本发明属于超高延性地聚物复合材料制备技术领域，具体涉及一种功能梯度超高延性地聚合物复合材料及其制备方法，本复合材料以质量百分比计包括：细骨料20～30%，胶凝材料70～80%，碱激活剂，聚乙烯醇纤维，钢纤维；胶凝材料以质量百分比计包括矿渣50～70%、偏高岭土20～30%、硅灰10～20%；细骨料、胶凝材料总质量与碱激活剂的比例为1kg：200～350ml；聚乙烯醇纤维为胶凝材料和细骨料总质量的0～1%；钢纤维为胶凝材料和细骨料总质量的3.3～16.5%。本发明利用超声波技术能够对超高延性地聚合物复合材料中的钢纤维产生空化效应和声流效应，使钢纤维均匀分布，并去除钢纤维杂质和浆体中的气泡。
Functional gradient ultrahigh-ductility geopolymer composite material and preparation method thereof
The invention belongs to the technical field of preparation of ultrahigh-ductility geopolymer composite materials, and particularly relates to a functional gradient ultrahigh-ductility geopolymer composite material and a preparation method thereof.The composite material is prepared from, by mass, 20-30% of fine aggregate, 70-80% of cementing material, an alkali activator, polyvinyl alcohol fiber and steel fiber; the cementing material comprises the following components in percentage by mass: 50-70% of slag, 20-30% of metakaolin and 10-20% of silica fume; the ratio of the total mass of the fine aggregate and the cementing material to the alkali activator is 1kg: (200-350ml); the polyvinyl alcohol fiber accounts for 0-1% of the total mass of the binding material and the fine aggregate; and the steel fiber accounts for 3.3-16.5% of the total mass of the binding material and the fine aggregate. The ultrasonic technology is utilized to generate a cavitation effect and a sound streaming effect on the steel fibers in the ultrahigh-ductility geopolymer composite material, so that the steel fibers are uniformly distributed, and steel fiber impurities and bubbles in slurry are removed.
本发明属于超高延性地聚物复合材料制备技术领域，具体涉及一种功能梯度超高延性地聚合物复合材料及其制备方法，本复合材料以质量百分比计包括：细骨料20～30%，胶凝材料70～80%，碱激活剂，聚乙烯醇纤维，钢纤维；胶凝材料以质量百分比计包括矿渣50～70%、偏高岭土20～30%、硅灰10～20%；细骨料、胶凝材料总质量与碱激活剂的比例为1kg：200～350ml；聚乙烯醇纤维为胶凝材料和细骨料总质量的0～1%；钢纤维为胶凝材料和细骨料总质量的3.3～16.5%。本发明利用超声波技术能够对超高延性地聚合物复合材料中的钢纤维产生空化效应和声流效应，使钢纤维均匀分布，并去除钢纤维杂质和浆体中的气泡。
Functional gradient ultrahigh-ductility geopolymer composite material and preparation method thereof
一种功能梯度超高延性地聚合物复合材料及其制备方法
CAI JINGMING (author) / DING BOYIN (author) / YUAN YUJIN (author)
2023-01-31
Patent
Electronic Resource
Chinese
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