Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Concrete water reducer and preparation method thereof
The invention provides a concrete water reducer which comprises the following raw materials in parts by weight: 5-15 parts of a polycarboxylic acid water reducer, 1-4 parts of a slump retaining agent, 2-5 parts of a retarder, 0.1-0.3 part of sulfate, 0.1-0.5 part of an air entraining agent, 1-3 parts of dihydric alcohol and 70-80 parts of water. The water reducing agent is compounded with a concrete material for use, so that the durability, flowability, breaking strength and other properties of concrete can be greatly improved, the comprehensive performance of the water reducing agent is remarkably improved compared with that of a general commercially available polycarboxylic acid water reducing agent, and the water reducing agent can be widely applied to cast-in-place and commercial concrete of high-rise buildings, long-span bridges and other concrete structures. The raw materials are simple and easy to obtain, the preparation method is simple, and the concrete water reducing agent with excellent performance is obtained by selecting proper raw materials for compounding.
本发明提供了一种混凝土减水剂，包括以下重量份原料，聚羧酸减水剂5～15份、保坍剂1～4份、缓凝剂2～5份、硫酸盐0.1～0.3份、引气剂0.1～0.5份、二元醇1～3份和水70～80份。本发明的减水剂与混凝土材料复合使用可大幅度提高混凝土的耐久性、流动性和抗折强度等性能，减水剂的综合性能较一般的市售聚羧酸减水剂有了显著提升，可以广泛应用于高层建筑、大跨度桥梁、等混凝土结构的现浇以及商品混凝土。本发明的原料简单易得，制备方法简单，通过选择合适的原料进行复配得到了性能优良的混凝土减水剂。
Concrete water reducer and preparation method thereof
The invention provides a concrete water reducer which comprises the following raw materials in parts by weight: 5-15 parts of a polycarboxylic acid water reducer, 1-4 parts of a slump retaining agent, 2-5 parts of a retarder, 0.1-0.3 part of sulfate, 0.1-0.5 part of an air entraining agent, 1-3 parts of dihydric alcohol and 70-80 parts of water. The water reducing agent is compounded with a concrete material for use, so that the durability, flowability, breaking strength and other properties of concrete can be greatly improved, the comprehensive performance of the water reducing agent is remarkably improved compared with that of a general commercially available polycarboxylic acid water reducing agent, and the water reducing agent can be widely applied to cast-in-place and commercial concrete of high-rise buildings, long-span bridges and other concrete structures. The raw materials are simple and easy to obtain, the preparation method is simple, and the concrete water reducing agent with excellent performance is obtained by selecting proper raw materials for compounding.
本发明提供了一种混凝土减水剂，包括以下重量份原料，聚羧酸减水剂5～15份、保坍剂1～4份、缓凝剂2～5份、硫酸盐0.1～0.3份、引气剂0.1～0.5份、二元醇1～3份和水70～80份。本发明的减水剂与混凝土材料复合使用可大幅度提高混凝土的耐久性、流动性和抗折强度等性能，减水剂的综合性能较一般的市售聚羧酸减水剂有了显著提升，可以广泛应用于高层建筑、大跨度桥梁、等混凝土结构的现浇以及商品混凝土。本发明的原料简单易得，制备方法简单，通过选择合适的原料进行复配得到了性能优良的混凝土减水剂。
Concrete water reducer and preparation method thereof
一种混凝土减水剂及其制备方法
LI MINGZE (Autor:in) / FU BINGZHANG (Autor:in) / GU HONGYING (Autor:in)
14.06.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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