Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-durability concrete and preparation method thereof
The invention relates to the technical field of concrete, and particularly discloses high-durability concrete and a preparation method thereof. The high-durability concrete comprises water, cement, fly ash, slag powder, an expanding agent, machine-made sand medium sand, machine-made sand fine sand, stones and a composite anti-cracking and anti-seepage additive, the composite anti-cracking and anti-seepage additive comprises an anti-cracking and anti-seepage reinforcing agent, hydroxy propyl cellulose, triethyl citrate and polyvinyl butyral, the preparation method comprises the following steps:adding the composite anti-cracking and anti-seepage admixture into water, uniformly mixing to obtain an admixture aqueous solution, mixing various aggregates, adding 70% of additive aqueous solutionfor wetting, and adding the rest raw materials and the rest 30% of additive aqueous solution. The high-durability concrete has the advantages that the chloride ion permeability resistance of the concrete is greatly improved, and the durability is obviously improved.
本申请涉及混凝土技术领域，具体公开了一种高耐久混凝土及其制备方法。一种高耐久混凝土包括水、水泥、粉煤灰、矿渣粉、膨胀剂、机制砂中砂、机制砂细砂、石子、复合抗裂防渗外加剂；复合抗裂防渗外加剂包括抗裂防渗增强剂、羟丙基纤维素、柠檬酸三乙酯和聚乙烯醇缩丁醛；其制备方法为：将复合抗裂防渗外加剂加入水中混合均匀得外加剂的水溶液；将各种骨料混合后加入70％用量的外加剂水溶液湿润；将其余原料同剩余30％用量的外加剂水溶液加入制得。本申请的一种高耐久混凝土具有大幅度提高了混凝土的抗氯离子渗透性，耐久性明显提高的优点。
High-durability concrete and preparation method thereof
The invention relates to the technical field of concrete, and particularly discloses high-durability concrete and a preparation method thereof. The high-durability concrete comprises water, cement, fly ash, slag powder, an expanding agent, machine-made sand medium sand, machine-made sand fine sand, stones and a composite anti-cracking and anti-seepage additive, the composite anti-cracking and anti-seepage additive comprises an anti-cracking and anti-seepage reinforcing agent, hydroxy propyl cellulose, triethyl citrate and polyvinyl butyral, the preparation method comprises the following steps:adding the composite anti-cracking and anti-seepage admixture into water, uniformly mixing to obtain an admixture aqueous solution, mixing various aggregates, adding 70% of additive aqueous solutionfor wetting, and adding the rest raw materials and the rest 30% of additive aqueous solution. The high-durability concrete has the advantages that the chloride ion permeability resistance of the concrete is greatly improved, and the durability is obviously improved.
本申请涉及混凝土技术领域，具体公开了一种高耐久混凝土及其制备方法。一种高耐久混凝土包括水、水泥、粉煤灰、矿渣粉、膨胀剂、机制砂中砂、机制砂细砂、石子、复合抗裂防渗外加剂；复合抗裂防渗外加剂包括抗裂防渗增强剂、羟丙基纤维素、柠檬酸三乙酯和聚乙烯醇缩丁醛；其制备方法为：将复合抗裂防渗外加剂加入水中混合均匀得外加剂的水溶液；将各种骨料混合后加入70％用量的外加剂水溶液湿润；将其余原料同剩余30％用量的外加剂水溶液加入制得。本申请的一种高耐久混凝土具有大幅度提高了混凝土的抗氯离子渗透性，耐久性明显提高的优点。
High-durability concrete and preparation method thereof
一种高耐久混凝土及其制备方法
QI ZENGXIANG (Autor:in) / JIN XIAOWEI (Autor:in) / MA KAIHUA (Autor:in)
09.03.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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