强化制混凝土梁的曲反应的调查和数值检查,包括塑料废物
1Department of Civil Engineering, Van Yuzuncu Yıl University, 65080 Van, Turkey.
Materials (Basel, Switzerland)
|August 26, 2023
概括
这项研究评估了塑料废物 (PW) 作为混凝土梁中的细聚合物,发现30%的PW比例优化了性能. 数字和实验结果密切匹配,显示了可持续建筑材料的潜力.
科学领域:
- 土木工程 土木工程是指土木工程.
- 材料科学 材料科学 材料科学
- 可持续建筑 可持续建筑
背景情况:
- 塑料垃圾是一个重大的环境挑战.
- 在建筑材料中回收塑料废物可以提供可持续的解决方案.
- 优化塑料废弃物作为混凝土中微型聚合物的使用需要进行彻底的调查.
研究的目的:
- 通过实验和数值评估钢筋混凝土梁 (R-C-Bs) 的断裂和曲性能,使用塑料废物 (PW) 作为细聚合物 (FA).
- 确定PW与FA的最佳比例,以提高混凝土性能.
- 为了验证数值模型与实验数据对R-C-Bs.s.的验证.
主要方法:
- 混凝土混合物被设计为具有不同比例的PW (0%, 5%, 15%, 30%, 45%) 作为FA (0-5毫米颗粒大小) 的替代品.
- 进行了实验测试,以评估R-C-Bs.的断裂和曲性能.
- 使用ANSYS v.19开发了三维有限元素模型 (F-E-Ms),并与实验结果进行了比较.
- 在SAP2000中创建了一个结构模型来分析R-C-Bs对整体结构性表现的影响.
主要成果:
- 作为FA的PW的30%比例在R-C-Bs中产生了最佳排位能力.
- 实验和3D F-E-M调查显示了高度一致的曲和破裂性能.
- 结构分析表明,增加的PW比例导致对建筑物的力量减少.
- 两种F-E-M模拟和实验都揭示了类似模式的细裂的形成.
结论:
- 塑料废物可以有效地作为钢筋混凝土梁中的细聚合物被利用.
- 塑料废物作为细聚合物的最佳比例约为30%,以提高性能.
- 有限元模型提供了一种可靠的方法来预测混凝土梁与塑料废物的行为.
- 在混凝土中整合塑料垃圾为可持续建筑实践提供了一个有希望的途径.
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