在土壤-水泥混合物中利用建筑垃圾:粘土土壤的颗粒度校正
Jéssica Filipe Briskievicz1, Carolina Angulski da Luz2, Fernanda Batista de Souza1
1Universidade Tecnológica Federal do Paraná (UTFPR), Programa de Pós- graduação em Engenharia Ambiental Análise e Tecnologia Ambiental (PPGEA), Câmpus Francisco Beltrão, Rua Gelindo João Folador, n°2000, PO Box 135, Francisco Beltrão, Paraná CEP 85602-863, Brazil.
ACS omega
|September 15, 2025
概括
本研究调查了在土壤水泥混合物中使用混合回收聚合物 (MRA). 结果表明,MRA可以有效地回收成土壤水泥块,提供可持续的建筑替代方案.
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
- 环境工程 环境工程
背景情况:
- 建筑活动资源密集,并产生大量的固体废物.
- 回收建筑和拆除废物 (CDW) 对于可持续性至关重要.
- 土壤水泥技术为废物整合提供了潜力.
研究的目的:
- 调查土壤水泥混合物含有混合循环聚合物 (MRA) 的物理机械性能.
- 为了确定土壤水泥应用的最佳MRA含量和水泥百分比.
- 评估CDW在土壤水泥块制造中的可回收性潜力.
主要方法:
- 土壤的表征和MRA颗粒计.
- 工厂实验设计测试各种MRA/土壤比率 (1.00,1.67,2.33) 和水泥含量 (10-14%).
- 多重回归分析以根据混合物成分预测性能.
主要成果:
- 最佳的混合物 (60.2%MRA,25.8%土壤,14%水泥) 达到3.4MPa的压力强度和18.1%的吸水率.
- 预测的混合物 (MRA/土壤比1.71,10.22%水泥) 预计将产生至少2.1 MPa强度,吸水率<22%.
- 该研究表明,在土壤水泥生产中使用MRA的可行性.
结论:
- 混合循环聚合物显示出在土壤水泥块中使用的巨大潜力.
- 这项研究支持建筑和拆除废物的可循环利用率提高.
- 这些发现突显出一种可持续的方法来管理粘土土壤和建筑垃圾.
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