关于回收来提高水泥砂冲击阻力的实验研究
Tao Ran1,2, Jianyong Pang3, Di Wu1
1School of Civil Engineering and Architecture, Anhui University of Science and Technology, Huainan, 232001, China.
Scientific reports
|October 25, 2024
概括
来自医疗手套的回收可以加强水泥砂,提高其性和抗冲击能力. 这种可持续的方法为医疗废物管理提供了解决方案,同时改善了建筑材料的性能.
科学领域:
- 材料科学 材料科学 材料科学
- 环境工程 环境工程
- 土木工程 土木工程是指土木工程.
背景情况:
- 随着COVID-19大流行,医疗废物,特别是手套的数量大幅增加,造成环境和健康风险.
- 医疗废物的不当处置可能导致感染和疾病传播.
- 需要可持续的解决方案来管理这种急剧增加的危险废物.
研究的目的:
- 研究使用回收手套 (RRF) 作为增强水泥砂的添加剂的潜力.
- 为了提高水泥砂的抗冲击性能和机械性能,使用回收纤维.
- 评估回收纤维砂 (RRFM) 在准静态和动态负荷下的性能.
主要方法:
- 进行了单轴压缩试验和分裂霍普金森压力杆 (SHPB) 实验.
- 准备了各种RRF含量 (0-3%) 的回收纤维砂 (RRFM) 混合物.
- 扫描电子显微镜 (SEM) 用于分析微观结构和故障模式.
主要成果:
- 添加RRF提高了水泥砂的性和能量吸收能力.
- 与普通砂 (NM) 相比,RRFM表现出更高的动态增加因子 (DIF) 和特定吸收能量.
- SEM揭示了RRF和水泥砂矩阵之间的强固键,在冲击下减少了裂.
结论:
- 回收手套是一种可行的可持续添加剂,用于加强水泥砂.
- RRFM表现出优越的抗冲击性和性,提供废物管理和材料提升的双重好处.
- 这种方法为解决建筑业医疗废物挑战提供了一个有希望的策略.
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