Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Modifier, cement macadam mixture and preparation method
The invention relates to the technical field of concrete, and discloses a modifier, a cement macadam mixture and a preparation method of the modifier. Comprising 10%-30% of methylallyl alcohol polyoxyethylene ether, 8%-25% of methacrylic acid, 8%-20% of cellulose, 1%-1.8% of nano SiO2, 30%-65% of polyacrylate emulsion, 0.5%-3% of propylene glycol and 3%-8% of organic silicon-polyvinyl alcohol nano composite hydrogel. The cement macadam mixture comprises the following components in percentage by weight: 20%-30% of 0-5mm machine-made sand, 20%-30% of 5-10mm macadam, 10%-30% of 10-15mm macadam, 10%-25% of 15-20mm macadam, 10%-30% of 20-25mm macadam, 0.8%-1.5% of a modifier, 2%-5% of cement and the balance of water. The modifier provided by the invention has the effects of super toughness and crack resistance, and can form a stable network structure in a water-stable mixture by utilizing the effects of water reduction, water retention, slow release, compaction, toughening and crack resistance of the modifier, so that a cement stabilizing material with less shrinkage, high toughness and large deformability is formed, and the crack resistance of a water-stable layer can be greatly improved.
本发明涉及混凝土技术领域，公开了改性剂、水泥碎石混合料、制备方法，改性剂的各组分按质量百分比计，包括甲基烯丙醇聚氧乙烯醚10％～30％、甲基丙烯酸8％～25％、纤维素8％～20％、纳米SiO2 1％～1.8％、聚丙烯酸酯乳液30％～65％、丙二醇0.5％～3％、有机硅‑聚乙烯醇纳米复合水凝胶3％～8％。水泥碎石混合料，各组分按重量百分比计，包括0‑5mm机制砂20％～30％，5‑10mm碎石20％～30％，10‑15mm碎石10％～30％，15‑20mm碎石10％～25％，20‑25mm碎石10％～30％，改性剂0.8％～1.5％、水泥2％～5％、余量为水。本发明提供的改性剂，具有超韧、抗裂的效果，利用其具有的减水、保水、缓释、密实、增韧、抗裂的效用，能够在水稳混合料至今形成稳固的网络结构，进而形成一种收缩少、韧性高、变形能力大的水泥稳定料，能够大幅提升水稳层的抗裂能力。
Modifier, cement macadam mixture and preparation method
The invention relates to the technical field of concrete, and discloses a modifier, a cement macadam mixture and a preparation method of the modifier. Comprising 10%-30% of methylallyl alcohol polyoxyethylene ether, 8%-25% of methacrylic acid, 8%-20% of cellulose, 1%-1.8% of nano SiO2, 30%-65% of polyacrylate emulsion, 0.5%-3% of propylene glycol and 3%-8% of organic silicon-polyvinyl alcohol nano composite hydrogel. The cement macadam mixture comprises the following components in percentage by weight: 20%-30% of 0-5mm machine-made sand, 20%-30% of 5-10mm macadam, 10%-30% of 10-15mm macadam, 10%-25% of 15-20mm macadam, 10%-30% of 20-25mm macadam, 0.8%-1.5% of a modifier, 2%-5% of cement and the balance of water. The modifier provided by the invention has the effects of super toughness and crack resistance, and can form a stable network structure in a water-stable mixture by utilizing the effects of water reduction, water retention, slow release, compaction, toughening and crack resistance of the modifier, so that a cement stabilizing material with less shrinkage, high toughness and large deformability is formed, and the crack resistance of a water-stable layer can be greatly improved.
本发明涉及混凝土技术领域，公开了改性剂、水泥碎石混合料、制备方法，改性剂的各组分按质量百分比计，包括甲基烯丙醇聚氧乙烯醚10％～30％、甲基丙烯酸8％～25％、纤维素8％～20％、纳米SiO2 1％～1.8％、聚丙烯酸酯乳液30％～65％、丙二醇0.5％～3％、有机硅‑聚乙烯醇纳米复合水凝胶3％～8％。水泥碎石混合料，各组分按重量百分比计，包括0‑5mm机制砂20％～30％，5‑10mm碎石20％～30％，10‑15mm碎石10％～30％，15‑20mm碎石10％～25％，20‑25mm碎石10％～30％，改性剂0.8％～1.5％、水泥2％～5％、余量为水。本发明提供的改性剂，具有超韧、抗裂的效果，利用其具有的减水、保水、缓释、密实、增韧、抗裂的效用，能够在水稳混合料至今形成稳固的网络结构，进而形成一种收缩少、韧性高、变形能力大的水泥稳定料，能够大幅提升水稳层的抗裂能力。
Modifier, cement macadam mixture and preparation method
改性剂、水泥碎石混合料、制备方法
TANG XIONG (Autor:in) / LIU LI (Autor:in) / SI TE (Autor:in) / SUN SHENGKAI (Autor:in) / ZHONG SHENGRAN (Autor:in) / LIU SHUNYING (Autor:in)
01.08.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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