评估基于塑料加工聚合物的混凝土的爬行和爬行恢复性能
Fahad K Alqahtani1, Idrees Zafar2
1Department of Civil Engineering, College of Engineering, King Saud University, P. O. Box 800, Riyadh, 11421, Saudi Arabia. bfahad@ksu.edu.sa.
Scientific reports
|March 20, 2025
概括
这项研究研究了混凝土与塑料聚合物,发现增加了爬行和爬行回收与更高的塑料含量. 这表明100%塑料聚合混凝土适合灵活的非结构性应用.
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:
- 越来越多的环境问题推动了在建筑材料中使用回收塑料的使用.
- 塑料聚合混凝土有可能减少建筑行业对环境的影响.
- 关于塑料聚合混凝土的爬行特征的数据有限.
研究的目的:
- 评估混凝土的爬行和爬行回收,其中包含不同百分比的塑料加工聚合物.
- 为了确定塑料聚合混凝土的长期机械和耐用性质.
- 评估塑料聚合混凝土对不同应用的适用性.
主要方法:
- 开发了五种混凝土混合物,其中0%,25%,50%,75%,100%的塑料加工聚合物替代.
- 进行了机械性能测试,并在大约三年内评估了爬行和爬行回收.
- 分析了塑料聚合物替代对混凝土性能的影响.
主要成果:
- 增加的塑料聚合物替代导致更高的瞬间爬行应变,最终收缩应变和最终爬行应变.
- 总替代 (100%) 导致瞬间爬行应变,最终收缩应变和最终爬行应变分别增加了100%,119%和69%.
- 在25%和100%的塑料聚合物替代时,回收分别增加了30.1%和96.8%.
- 压力强度下降,而随着塑料聚合物含量增加,爬行菌株和爬行恢复增加.
结论:
- 在混凝土中塑料加工聚合物的百分比较高,增加了爬行菌株和爬行回收.
- 该研究倡导在要求灵活性的非结构应用中使用100%塑料加工聚合物.
- 塑料聚合混凝土为特定建筑需求提供了可行的可持续替代方案.
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