用天基酸粘合剂对泡混凝土进行机械和微观表征
Afiya Abdul Sattar1, Md Azree Othuman Mydin2, Altamashuddinkhan Nadimalla3
1School of Housing, Building and Planning, Universiti Sains Malaysia, 11800, George Town, Penang, Malaysia.
Scientific reports
|October 28, 2025
概括
天基酸 (TAS) 通过取代普通波特兰水泥 (OPC) 来增强泡混凝土的性能. 最佳20%的TAS替代可以提高机械强度和耐久性,同时减少对环境的影响.
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.
- 可持续建筑 可持续建筑
背景情况:
- 补充性水泥材料 (SCM) 对于混凝土技术的可持续发展至关重要.
- 普通波特兰水泥 (OPC) 的生产对环境产生了重大影响.
- 泡混凝土 (FC) 在轻量化建筑中具有优势,但需要性能优化.
研究的目的:
- 调查天齐酸 (TAS) 作为FC中OPC的部分替代物的作用.
- 为了确定增强的机械,运输和微观结构性质的最佳TAS替代水平.
- 评估TAS作为高性能FC应用的可持续SCM.
主要方法:
- 制备FC混合物时使用TAS取代OPC0%,10%,20%,30%和40%.
- 评估了机械性能 (压缩性,曲性,分裂性拉力,弹性模量).
- 分析了运输特性 (吸水,透性) 和微观结构特征 (SEM).
主要成果:
- 机械性能提高了18-25%,达到20%的TAS替代的峰值.
- 水的吸收率和透率分别降低了35%和28%,在20%的TAS.
- SEM分析证实了孔隙提炼,更密集的矩阵,以及添加TAS的均水化产品.
结论:
- TAS既起到填充作用,又起到补充作用,提炼毛孔结构并增强二次水分.
- 20%的TAS替代提供了优化强度,耐久性和降低OPC含量的最佳平衡.
- 塔斯是一个可行的和可持续的SCM开发高性能,环保泡混凝土.
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