基于响应表面方法的制造砂混凝土的压力强度研究
Kang Gao1, Zhenjiao Sun1, Hui Ma2
1College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China.
Materials (Basel, Switzerland)
|January 11, 2024
概括
这项研究探讨了用于制造砂混凝土的复合材料添加剂. 石粉 (SP),粉碎燃料灰 (PFA) 和烟 (SF) 改善了性质和压力强度,SP和PFA显示出最显著的影响.
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
- 环境科学 环境科学
背景情况:
- 越来越多的对制造砂的需求,作为混凝土生产中天然砂的可持续替代品.
- 添加剂在优化混凝土性能方面发挥着至关重要的作用,特别是质性质和压力强度.
- 环境压力需要使用工业副产品,如石粉,粉碎燃料灰和烟雾.
研究的目的:
- 为了研究复合物添加剂 (石粉,粉碎燃料灰,烟) 对制造砂混凝土的压力强度的影响.
- 分析使用制造砂与河流沙相比,混凝土的再生性质.
- 根据添加剂含量开发压力强度的预测模型.
主要方法:
- 使用Box-Behnken测试模型和响应表面方法 (RSM) 进行实验设计和分析.
- 采用多重回归分析来预测基于石粉 (SP),粉碎燃料灰 (PFA) 和烟 (SF) 含量的压力强度.
- 分析了质性质,并使用响应表面和轮图来可视化添加剂的影响.
主要成果:
- SP,PFA和SF的组合显著增强了制造的砂混凝土的质性质.
- 石粉 (SP) 作为单一因素对压力强度的影响最大,而烟 (SF) 影响最小.
- SP和PFA的协同效应对人工沙射混凝土的压力强度产生了最大的影响.
结论:
- SP,PFA和SF的复合添加剂有效地提高了制造的砂混凝土的性能.
- 了解这些添加剂的单独和组合作用对于优化混凝土混合设计至关重要.
- 这项研究为使用制造砂和工业副产品的可持续建筑实践提供了宝贵的见解.
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