使用实验设计技术优化用于结构应用的混凝土中纳米材料剂量
Ratchagaraja Dhairiyasamy1, Deepika Gabiriel2,3, Deekshant Varshney4,5
1Saveetha School of Engineering, Department of Electronics and Communication Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India.
Scientific reports
|July 2, 2025
概括
纳米 (NS),纳米 (NA) 和石墨烯氧化物 (GO) 增强了混凝土的强度和耐用性. 石墨烯氧化物 (GO) 显示出最显著的屈曲强度改善,而NS和GO有效地提高了压力强度.
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.
- 纳米技术纳米技术
背景情况:
- 纳米材料为增强混凝土性能提供了潜力.
- 在统一条件下,对于纳米 (NS),纳米 (NA) 和石墨烯氧化物 (GO) 存在有限的比较研究.
研究的目的:
- 实验性地比较NS,NA和GO对混凝土性能的影响.
- 使用响应表面方法 (RSM) 优化纳米材料剂量,以提高强度和耐久性.
主要方法:
- 研究了NS (1-3%),NA (1-3%) 和GO (0.05-0.15%) 对混凝土可加工性,强度和耐久性的影响.
- 采用双因素RSM以基于纳米材料和超塑性剂量的模型和预测机械强度.
主要成果:
- NS和GO增加了约25%的压力强度;GO在0.10%实现了约40%的屈曲强度改善.
- 所有纳米修饰混凝土都显示出增强的耐用性 (RCPT,吸水,抗硫酸盐),NS和GO的性能优于NA.
- RSM将纳米材料剂量确定为主要强度决定因素;超级可塑剂没有显著影响.
结论:
- 使用NS,NA和GO的定制纳米改造策略可以显著提高混凝土的性能.
- 确定了每个纳米材料的最佳剂量,以最大限度地提高效益并防止过量服用.
- 这项研究为设计高性能,耐用的水泥材料提供了宝贵的数据.
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