在预制元件中添加CAC水泥的波特兰水泥混凝土:案例研究
Gabriela Rutkowska1, Paweł Ogrodnik2, Mariusz Żółtowski2
1Institute of Civil Engineering, Warsaw University of Life Sciences, Nowoursynowska 166, Warsaw, 02-787, Poland. gabriela_rutkowska@sggw.edu.pl.
Scientific reports
|July 2, 2025
概括
将酸水泥 (CAC) 添加到混凝土中可以提高早期的强度和抗性,特别是在5%度下. 较高的CAC水平可能会降低混凝土的长期耐用性.
科学领域:
- 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.
- 建筑材料 建筑材料
背景情况:
- 酸水泥 (CAC) 是一种专门的粘合剂,以其快速硬化和化学耐药性而闻名.
- 它在耐火和结构应用中的使用已经确立.
- 研究CAC作为波特兰水泥复合材料的添加剂,需要了解它对混凝土性能的影响.
研究的目的:
- 为了评估不同含量的酸水泥 (CAC) 对混凝土复合材料性能的影响.
- 为了确定最佳的CAC添加水平,以提高机械性能和耐用性.
- 评估CAC结合引起的微观结构变化.
主要方法:
- 准备了具有0% (CON) 和5-20% (ALU) CAC的混凝土样本.
- 测试的新鲜混凝土性能:沉,表面密度和粘度 (t500).
- 评估了硬化混凝土的性能:压力强度,抗,吸水能力和水透深度. 还进行了微观结构分析.
主要成果:
- 5%的CAC添加对机械性能和耐久性产生了积极的影响,增强了快速强度和抗性.
- 在低温环境中,CAC证明了它的有效性.
- 较高的CAC度 (超过5%) 表明长期强度和耐久性的潜在下降.
结论:
- 酸水泥 (CAC) 是波特兰水泥复合材料中少量 (约5%) 的有益添加剂.
- 最佳的CAC含量可以提高混凝土的性能,特别是对于要求快速增强强度和耐度的应用.
- 由于可能对长期混凝土完整性产生不利影响,建议对较高的CAC度保持谨慎.
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