废纸聚合物和聚乙烯四甲酸盐对砂性能的影响CE
Houmame Harabi1, Mohamed Lyes Kamel Khouadjia1, Sara Bensalem1
1Department of Civil Engineering, Laboratory of Materials and Durability of Constructions (LMDC), University of Mentouri Constantine 1, 25000, Constantine, Algeria.
Scientific reports
|November 28, 2024
概括
本研究探讨在砂中使用废纸聚合物 (WPA) 和聚乙烯四甲酸盐 (PET). 纳入WPA增强了压力和屈曲强度,表明了可持续建筑材料的潜力.
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.
- 环境科学 环境科学
背景情况:
- 不断增长的城市化需要可持续的建筑材料.
- 混凝土生产对环境产生重大影响.
- 废纸 (WPA) 和聚乙烯二甲 (PET) 提供了建筑废弃物回收利用的机会.
研究的目的:
- 研究WPA对砂性能的影响,如流量时间,强度和导热率.
- 评估PET提高WPA改性砂机械性能的潜力.
- 分析开发的砂的微观结构和材料特性.
主要方法:
- 使用EDX光谱和SEM分析对WPA和PET进行表征.
- 用Gwyddion软件对WPA砂进行微结构分析,用于谷物细分.
- 准备和测试四种混凝土混合物,其中WPA,PET和沙丘沙 (DS) 的百分比不同.
- 评估流量时间,压力强度,屈曲强度和导热率.
主要成果:
- 使用WPA和PET的砂显示可加工性 (流量时间) 降低.
- 样本PW4 (4%WPA,0%PET) 显示了增强的压力强度 (46.36至49.81MPa) 和屈曲强度 (10.5至11.47MPa).
- 经WPA修改的砂具有较差的导热性,这表明其绝缘性能很好.
- 微结构分析显示,纤维对齐受WPA长度的影响.
结论:
- WPA可以提高砂的机械强度和隔热性能.
- 添加WPA和PET可能会对加工能力产生负面影响.
- 需要进一步的研究来优化WPA和PET在可持续砂配方中的使用.
关键词:
压力强度的压力强度是什么沙丘的沙子是沙丘的沙子柔性强度 柔性强度是指柔性强度是指柔性的强度.流动时间 流动时间在G Signal软件中使用.纸张废弃物 (WPA) 是一种废纸.塑化剂是一种可塑化剂.聚乙烯二甲酸盐 (PET) 是一种聚乙烯二甲酸盐.导热性 导热性 导热性 导热性 导热性更多相关视频
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