关于植物制备和属性的研究 轻质多孔混凝土
Qingyu Cao1, Juncheng Zhou2, Weiting Xu3
1MMC Group, Central Research Institute of Building and Construction, Beijing 10088, China.
Materials (Basel, Switzerland)
|January 11, 2024
概括
这项研究使用多种材料和多孔度来制定植被轻孔混凝土 (VLPC). 结果显示,多孔度增加降低了强度,但提高了透性,而矿物添加剂和特定水泥提高了强度和降低了性.
科学领域:
- 土木工程 土木工程是指土木工程.
- 材料科学 材料科学 材料科学
- 环境工程 环境工程
背景情况:
- 植被轻孔混凝土 (VLPC) 为可持续建筑提供了潜力.
- 优化VLPC性能需要了解孔隙性,凝固材料和添加剂之间的相互作用.
- 控制性对于生态应用至关重要.
研究的目的:
- 使用各种水泥材料,多孔性设计和矿物添加剂,制备植被轻孔混凝土 (VLPC).
- 分析配方对散装密度,透性,机械强度和度的影响.
- 确定最佳的材料组合,以提高性能和降低性.
主要方法:
- 具有不同孔隙度的VLPC配方,并添加矿物添加剂.
- 评估散装密度,透系数,压力强度和曲强度.
- 在28天测量混凝土的性 (pH).
- 对不同的水泥材料和矿物添加剂进行比较分析,包括硫酸盐泥渣和烟雾.
主要成果:
- 散装密度的线性下降与增加的设计孔隙性.
- 过高的透系数与较高的多孔度相关;有效的多孔度与设计值密切匹配.
- 28天后,压力强度达到17.7MPa,曲强度达到2.1MPa.
- 增加的多孔性导致机械强度降低.
- 矿物添加剂,特别是粉,增强了VLPC的强度.
- 废渣硫酸盐水泥替代和矿物添加剂显著降低了VLPC的性 (pH < 8.5).
结论:
- 通过控制孔隙性和材料选择,可以为特定应用优化VLPC配方.
- 矿物添加剂和替代水泥在改善机械性能和降低性方面是有效的.
- 该研究提供了关于开发可持续和环保的多孔混凝土材料的见解.
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