含有矿物添加剂的麻混凝土作为绿色建筑中的耐用和耐火材料
Elżbieta Janowska-Renkas1, Anna Król2, Igor Klementowski1
1Department of Building Materials Engineering, Faculty of Civil Engineering and Architecture, Opole University of Technology, 45-061 Opole, Poland.
Materials (Basel, Switzerland)
|May 14, 2025
概括
矿物添加剂,如飞灰和甲可林显著增强大麻混凝土.
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:
- 大麻混凝土是一种可持续的建筑材料,具有改善性能的潜力.
- 提高压力强度和耐火性对于更广泛的采用至关重要.
- 矿物添加剂提供了一条修改大麻混凝土性能的途径.
研究的目的:
- 为了研究流化床燃烧 (FBC) 飞灰和金属对大麻混凝土性能的影响.
- 为了评估改性大麻混凝土的压力强度,导热性,易燃性和耐火性.
- 评估在绿色建筑中使用废物衍生材料的潜力.
主要方法:
- 麻混凝土样本的准备有不同百分比的FBC飞灰和metakaolin.
- 测量了压力强度和导热率.
- 易燃性测试涉及直接使用火焰.
- 通过高温暴露 (500°C15分钟) 来评估耐火性.
主要成果:
- 20%的FBC飞灰增加了26%的压力强度和6%的导热率.
- 15%的甲可林增加了21%的压力强度,但热导率仅增加了0.5%.
- 大麻混凝土表现出不易燃性和自灭特性.
- 与未经修改的麻混凝土相比,在500°C时,用甲醇修改的麻混凝土的质量损失减少了58%;FBC飞灰的质量损失减少了37%.
结论:
- FBC 飞灰和甲可林有效地提高了大麻混凝土的压力强度和耐火性.
- 改性大麻混凝土证明了其作为传统材料的可持续替代品的适用性.
- 这些添加剂的使用支持循环经济和绿色建筑原则.
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