新型以LCA为中心的混合设计方法用于活性EAF渣,使用混合优化技术
Anant Mishra1, Bikash Ranjan Tiwari2, Subhasis Pradhan1
1Department of Civil Engineering, Birla Institute of Technology and Science, Pilani, 333031, India.
Environmental science and pollution research international
|December 16, 2024
概括
这项研究优化了使用电弧炉 (EAFS) 和飞灰的活性材料 (AAM). 75%的EAFS混合物与普通波特兰水泥 (OPC) 相比,提供更高的可持续性和性能.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 土木工程 土木工程是指土木工程.
背景情况:
- 普通港地水泥 (OPC) 的生产对环境产生了重大影响.
- 活性材料 (AAMs) 提供使用工业副产品的可持续替代品.
- 优化AAM组合设计对于平衡性能和环境效益至关重要.
研究的目的:
- 开发和优化活性材料 (AAMs) 使用电弧炉渣 (EAFS) 和飞灰.
- 通过生命周期评估 (LCA) 评估AAMs的环境性能.
- 确定最佳的AAM混合设计,以提高可持续性和性能.
主要方法:
- 使用ReCiPe中点方法和质量/经济分配的生命周期评估 (LCA).
- 基于Taguchi的混合优化整合了灰色关系分析 (GRA) 和分析层次过程 (AHP).
- 评估新鲜性质,机械性能,耐用性和可持续性指数.
主要成果:
- 全球变暖潜力和陆地生态毒性是关键的环境影响类别.
- 与OPC相比,含至少50%EAFS的混合物显示出更高的可持续性.
- 75%的EAFS和25%的飞灰混合实现了性能和环境影响的最佳平衡.
结论:
- AAMs,特别是那些EAFS含量高的AAMs,是OPC的可行的可持续替代品.
- 提出的以LCA为中心的优化方法有效指导开发环保建筑材料.
- 75%的EAFS和25%的飞灰混合物代表了可持续建筑实践的有希望的方向.
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