Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a high-performance grouting material for prefabricated buildings, which comprises the following raw materials in percentage by weight: a composite cementing material: 26-32% ofcement, 3-5% of fly ash, 2-5% of silica powder and 3-5% of slag powder, graded fine sand: 10%-13% of river sand of 20-40 meshes, 23%-30% of river sand of 40-70 meshes, 10%-18% of river sand of 70-140meshes and 2.5%-4.95% of quartz powder, auxiliary agents: 1%-2.5% of a water reducing agent, 0.3%-1.5% of an early strength agent, 0.5%-1.0% of a defoaming agent, 0.47%-3.0% of an expanding agent and0.05%-0.2% of a thickening agent, and a performance regulator: 0.05%-0.2% of a nano modified material and 0.03%-0.1% of a dispersing agent. The high-performance grouting material for prefabricated buildings has the advantages of early strength, quick hardening, quick and stable strength development, high flowability, micro expansion, no shrinkage, high breaking strength and fracture toughness, low cost and the like.
本发明公开了一种装配式建筑用高性能灌浆料，按重量百分比计，包括以下原料：复合胶凝材料：水泥26％～32％，粉煤灰3％～5％，硅微粉2％～5％，矿渣粉3％～5％；级配细砂：20‑40目河砂10％～13％，40‑70目河砂23％～30％，70‑140目河砂10％～18％，石英粉2.5％～4.95％；助剂：减水剂1％～2.5％，早强剂0.3％～1.5％，消泡剂0.5％～1.0％，膨胀剂0.47％～3.0％，增稠剂0.05％～0.2％；性能调节剂：纳米改性材料0.05％～0.2％，分散剂0.03％～0.1％。本发明具有早强快硬，强度发展快速稳定，大流动性，微膨胀，无收缩，抗折强度和断裂韧性高，成本低等优点。
The invention discloses a high-performance grouting material for prefabricated buildings, which comprises the following raw materials in percentage by weight: a composite cementing material: 26-32% ofcement, 3-5% of fly ash, 2-5% of silica powder and 3-5% of slag powder, graded fine sand: 10%-13% of river sand of 20-40 meshes, 23%-30% of river sand of 40-70 meshes, 10%-18% of river sand of 70-140meshes and 2.5%-4.95% of quartz powder, auxiliary agents: 1%-2.5% of a water reducing agent, 0.3%-1.5% of an early strength agent, 0.5%-1.0% of a defoaming agent, 0.47%-3.0% of an expanding agent and0.05%-0.2% of a thickening agent, and a performance regulator: 0.05%-0.2% of a nano modified material and 0.03%-0.1% of a dispersing agent. The high-performance grouting material for prefabricated buildings has the advantages of early strength, quick hardening, quick and stable strength development, high flowability, micro expansion, no shrinkage, high breaking strength and fracture toughness, low cost and the like.
本发明公开了一种装配式建筑用高性能灌浆料，按重量百分比计，包括以下原料：复合胶凝材料：水泥26％～32％，粉煤灰3％～5％，硅微粉2％～5％，矿渣粉3％～5％；级配细砂：20‑40目河砂10％～13％，40‑70目河砂23％～30％，70‑140目河砂10％～18％，石英粉2.5％～4.95％；助剂：减水剂1％～2.5％，早强剂0.3％～1.5％，消泡剂0.5％～1.0％，膨胀剂0.47％～3.0％，增稠剂0.05％～0.2％；性能调节剂：纳米改性材料0.05％～0.2％，分散剂0.03％～0.1％。本发明具有早强快硬，强度发展快速稳定，大流动性，微膨胀，无收缩，抗折强度和断裂韧性高，成本低等优点。
High-performance grouting material for prefabricated buildings and preparation method thereof
一种装配式建筑用高性能灌浆料及其制备方法
19.05.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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