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Admixture for high-performance sprayed concrete, application of admixture and concrete
The invention provides a high-performance sprayed concrete admixture which comprises the following components in parts by mass: 60-65 parts of a first component and 35-40 parts of a second component. The first component is prepared from the following components in parts by mass: 60 to 70 parts of superfine mineral admixture, 15 to 20 parts of redispersible latex powder and 15 to 20 parts of guar gum. The second component is prepared from the following components in parts by mass: 50 to 70 parts of metakaolin and 30 to 50 parts of ground rice hull ash. According to the admixture for the high-performance sprayed concrete, the cohesiveness of the sprayed concrete is improved, the rebound rate is reduced, the one-time spraying thickness and the early strength of the sprayed concrete are improved, and the compactness of the sprayed concrete is improved. Meanwhile, the admixture for the high-performance sprayed concrete improves the impermeability and durability of the sprayed concrete. The admixture for the high-performance sprayed concrete is simple in production process, low in raw material cost and suitable for large-scale production.
本发明提供了一种高性能喷射混凝土用掺合料，以质量份数计，包括：第一组分60‑65份、第二组分35‑40份。以质量份数计，所述第一组分包括：超细矿物掺合料60‑70份、可再分散乳胶粉15‑20份、瓜儿胶15‑20份。以质量份数计，所述第二组分包括：偏高岭土50‑70份、磨细稻壳灰30‑50份。本发明高性能喷射混凝土用掺合料提高了喷射混凝土的粘聚性，降低了回弹率，提高了一次喷射厚度、喷射混凝土的早期强度，且增加了其密实性。同时，本发明高性能喷射混凝土用掺合料提高了喷射混凝土的抗渗性和耐久性。并且发明高性能喷射混凝土用掺合料生产工艺简单、原材料成本低，适宜大规模生产。
Admixture for high-performance sprayed concrete, application of admixture and concrete
The invention provides a high-performance sprayed concrete admixture which comprises the following components in parts by mass: 60-65 parts of a first component and 35-40 parts of a second component. The first component is prepared from the following components in parts by mass: 60 to 70 parts of superfine mineral admixture, 15 to 20 parts of redispersible latex powder and 15 to 20 parts of guar gum. The second component is prepared from the following components in parts by mass: 50 to 70 parts of metakaolin and 30 to 50 parts of ground rice hull ash. According to the admixture for the high-performance sprayed concrete, the cohesiveness of the sprayed concrete is improved, the rebound rate is reduced, the one-time spraying thickness and the early strength of the sprayed concrete are improved, and the compactness of the sprayed concrete is improved. Meanwhile, the admixture for the high-performance sprayed concrete improves the impermeability and durability of the sprayed concrete. The admixture for the high-performance sprayed concrete is simple in production process, low in raw material cost and suitable for large-scale production.
本发明提供了一种高性能喷射混凝土用掺合料，以质量份数计，包括：第一组分60‑65份、第二组分35‑40份。以质量份数计，所述第一组分包括：超细矿物掺合料60‑70份、可再分散乳胶粉15‑20份、瓜儿胶15‑20份。以质量份数计，所述第二组分包括：偏高岭土50‑70份、磨细稻壳灰30‑50份。本发明高性能喷射混凝土用掺合料提高了喷射混凝土的粘聚性，降低了回弹率，提高了一次喷射厚度、喷射混凝土的早期强度，且增加了其密实性。同时，本发明高性能喷射混凝土用掺合料提高了喷射混凝土的抗渗性和耐久性。并且发明高性能喷射混凝土用掺合料生产工艺简单、原材料成本低，适宜大规模生产。
Admixture for high-performance sprayed concrete, application of admixture and concrete
一种高性能喷射混凝土用掺合料及应用及一种混凝土
LI ZHILIN (author) / SUN ZHENPING (author) / GENG YAO (author) / TIAN JUNTAO (author) / LIN MINGHUI (author)
2023-08-11
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Premixed high-performance concrete admixture and concrete using admixture
| European Patent Office | 2024