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A platform for research: civil engineering, architecture and urbanism
Concrete composite additive for crack resistance and preparation method thereof
The invention discloses an anti-crack concrete composite additive and a preparation method thereof, and the concrete composite additive specifically comprises the following components by weight: 100 parts of deionized water; 50 to 80 parts of a polymer monomer; 5-25 parts of a modified polycarboxylic acid water reducing agent; 10 to 20 parts of an air entraining agent; 5 to 15 parts of nano silicon dioxide; 10 to 15 parts of ultrafine fly ash; 5-8 parts of an emulsifier; 3 to 6 parts of a tackifier; 2 to 4 parts of urea; and 2-4 parts of hydraulic lime. By applying the concrete composite additive to concrete, the working performance of anti-crack concrete can be improved by reducing the water cement ratio and introducing stable and uniform bubbles, and the strength of the anti-crack concrete can be improved while the cement consumption is reduced through the high-volcanic-ash active component; and the effects of air entraining, foam stabilizing and'glue reducing and enhancing 'are achieved.
本发明公开了一种用于抗裂的混凝土复合添加剂及其制备方法，其中，该混凝土复合添加剂具体包括以下重量份数的组分：去离子水：100份；聚合物单体：50‑80份；改性聚羧酸减水剂：5‑25份；引气剂：10‑20份；纳米二氧化硅：5‑15份；超细粉煤灰：10‑15份；乳化剂：5‑8份；增粘剂：3‑6份；尿素：2‑4份；水硬性石灰：2‑4份。通过将本发明混凝土复合添加剂应用于混凝土中，能够通过降低水灰比和引入稳定且均匀的气泡从而改善抗裂混凝土的工作性能，还能够通过高火山灰活性组分在降低水泥用量的同时提高抗裂混凝土的强度，发挥引气稳泡、“减胶增强”的作用。
Concrete composite additive for crack resistance and preparation method thereof
The invention discloses an anti-crack concrete composite additive and a preparation method thereof, and the concrete composite additive specifically comprises the following components by weight: 100 parts of deionized water; 50 to 80 parts of a polymer monomer; 5-25 parts of a modified polycarboxylic acid water reducing agent; 10 to 20 parts of an air entraining agent; 5 to 15 parts of nano silicon dioxide; 10 to 15 parts of ultrafine fly ash; 5-8 parts of an emulsifier; 3 to 6 parts of a tackifier; 2 to 4 parts of urea; and 2-4 parts of hydraulic lime. By applying the concrete composite additive to concrete, the working performance of anti-crack concrete can be improved by reducing the water cement ratio and introducing stable and uniform bubbles, and the strength of the anti-crack concrete can be improved while the cement consumption is reduced through the high-volcanic-ash active component; and the effects of air entraining, foam stabilizing and'glue reducing and enhancing 'are achieved.
本发明公开了一种用于抗裂的混凝土复合添加剂及其制备方法，其中，该混凝土复合添加剂具体包括以下重量份数的组分：去离子水：100份；聚合物单体：50‑80份；改性聚羧酸减水剂：5‑25份；引气剂：10‑20份；纳米二氧化硅：5‑15份；超细粉煤灰：10‑15份；乳化剂：5‑8份；增粘剂：3‑6份；尿素：2‑4份；水硬性石灰：2‑4份。通过将本发明混凝土复合添加剂应用于混凝土中，能够通过降低水灰比和引入稳定且均匀的气泡从而改善抗裂混凝土的工作性能，还能够通过高火山灰活性组分在降低水泥用量的同时提高抗裂混凝土的强度，发挥引气稳泡、“减胶增强”的作用。
Concrete composite additive for crack resistance and preparation method thereof
一种用于抗裂的混凝土复合添加剂及其制备方法
ZHANG TAIQING (author) / HAO GUANGYAN (author) / WANG ZHANXU (author) / WU YONGGANG (author) / BAO WANJUN (author) / HUANG WENFENG (author) / YOU JIAHUI (author) / MA YONGQING (author)
2024-11-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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