基于多个标准的决策优化和多变量回归分析,在正常和高温下,用烟修饰的枣树纤维钢筋混凝土在正常和高温下进行
Musa Adamu1,2, Ashwin Narendra Raut3, Yasser E Ibrahim4,5
1Engineering Management Department, College of Engineering, Prince Sultan University, Riyadh, 11586, Saudi Arabia. madamu@psu.edu.sa.
Scientific reports
|February 18, 2025
概括
这项研究通过使用二氧化烟来增强枣树纤维 (DPF) 混凝土,改善机械性能和耐高温性. 最佳的混合物 (1% DPF,10%的二氧化烟雾) 显示出卓越的性能,通过预测模型进行验证.
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:
- 枣树纤维 (DPF) 是一种价格实惠,可用于水泥复合材料的材料.
- 纳入DPF对混凝土物质产生负面影响,需要采取缓解策略.
- 烟 (SCM) 被探索以提高DPF钢筋混凝土的性能.
研究的目的:
- 研究DPF和烟在正常和高温度下对混凝土性能的影响.
- 开发DPF钢筋混凝土性能的预测模型.
- 通过多标准决策 (MCDM) 确定最佳组合设计.
主要方法:
- 根据水泥重量,DPF的添加量在0-3%之间;根据水泥体积,二氧化烟的替代量在0-15%.
- 混凝土的测试包括在200-800°C的温度下测试机械性能.
- 多变量回归分析 (MRA),MCDM和ANOVA用于分析和预测.
主要成果:
- 添加DPF降低了机械性能;添加二氧化烟雾减轻了这些影响.
- 使用10%的二氧化烟雾实现了最佳性能.
- 预测模型在各种热条件下准确预测了混凝土的性能.
结论:
- 烟有效地抵消了DPF在混凝土中的负面影响.
- 最佳的混合物 (1% DPF,10%的二氧化烟雾) 显示出优越的热力学和热弹性.
- 开发的模型可靠地预测DPF钢筋混凝土的性能,有助于建筑应用.
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