综合表面,化学和聚合物处理的粉碎混凝土的性能评估和微观结构特征
B Kevin1, Prabir K Sarker2, Mini K Madhavan3
1Department of Civil Engineering, Amrita School of Engineering, Coimbatore, Amrita Vishwa Vidyapeetham, Coimbatore, India.
Scientific reports
|May 6, 2025
概括
经过处理的粉碎提高了混凝土的性能,为天然聚合物提供了一个可持续的替代品. 化学和表面处理显著提高了强度和耐用性,优化了用于建筑应用的混凝土.
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.
- 可持续建筑 可持续建筑
背景情况:
- 废弃的轮胎碎是一种可持续的混凝土替代品.
- 化混凝土通常由于密度,刚性和疏水性而具有较低的性能.
- 需要有效的处理方法来改善混凝土中的矩阵粘合.
研究的目的:
- 研究处理的粉碎作为M30级混凝土中部分细聚合物的替代品.
- 评估改造的化学 (NaOH),表面 (水泥涂层) 和组合处理 (CCOH,CCOHLX).
- 提高混凝土的粘合性和性能.
主要方法:
- 应用化学物质 (NaOH),水泥涂层和组合处理 (CCOH,CCOHLX) 进行粉碎.
- 作为混凝土混合物中部分细聚合物的替代品,纳入经过处理的粉碎.
- 进行了微结构分析 (SEM,EDX) 和机械/耐久性测试 (压力强度,化物透,磨损).
主要成果:
- 经过处理的粉碎显示通过SEM/EDX改善了表面粗性和粘附性.
- 压力强度在20%的替换时显著增加,CCOH (高达27%) 和CCOHLX (高达21.7%) 治疗.
- 耐久性得到改善,化物透性增强 (25.9-36.7%) 和磨损减少 (15-23.3%).
结论:
- 组合处理 (CCOH,CCOHLX) 有效地提高了碎在混凝土中的整合.
- 20%用经过处理的粉碎取代优化了混凝土的强度和耐用性.
- 这种方法为建筑行业的轮胎废物管理提供了一个环保的解决方案.
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