粘土-水泥密封悬浮物与分成煤灰的风学特征
Jurij Delihowski1, Piotr Izak2
1Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Cracow, Poland. ydeli@agh.edu.pl.
Scientific reports
|January 22, 2026
概括
分割式煤炭飞灰显著改变了粘土-水泥泥的气质. 高灰增强密封性质,而灰提高抽取能力,为可持续的地质技术应用提供量身定制的解决方案.
科学领域:
- 地质技术工程 地质技术工程
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
背景情况:
- 粘土-水泥悬浮对于地质技术和水利工程中的密封应用至关重要.
- 煤炭飞灰是一种可持续的补充水泥材料,但其对风病的影响取决于其特性.
- 控制泥的病理学对于有效的放置和长期的性能至关重要.
研究的目的:
- 为了研究大小分化的煤炭飞灰对粘土-水泥密封悬浮体的风学行为的影响.
- 了解飞灰化学 (高与) 和颗粒大小对学性质的综合影响.
- 为了确定特定密封应用的最佳飞灰成分,平衡快速密封和抽出能力.
主要方法:
- 用干燥大小分成的煤灰 (S1:高,S2:) 制备粘土-水泥悬浮剂,分成超细,细和中细分数.
- 使用旋转和振荡类类型的类型测量来测量比如Bingham产应力 (τ0) 和存储模量 (G') 等参数的类型测量.
- 对酸盐激活的风湿反应的研究.
主要成果:
- 高 (S1) 飞灰分数,特别是超细分数,显著增加了产应力和储存模量,表明快速结构化和密封潜力.
- (S2) 飞灰分数分散了粘土-水泥网络,减少了产应力,保持了适度的粘弹性刚性,提高了抽取能力.
- 微粒细度放大了化学效应:S1.UF促进了早期水合,而S2.UF保持了流动性.
- 在低度的S1系统中,酸盐激活诱导了sol-gel过渡,而S2系统显示了渐进的反应.
结论:
- 飞灰化学和颗粒大小是调整低水泥密封泥的风质的关键设计参数.
- 高,细分飞灰适合快速密封应用.
- 状,细分飞灰是有效的实现长距离的抽能力.
- 分割式飞灰为开发可持续和高性能密封材料提供了一种多功能工具,用于液压和地质工程.
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