关于渣回收精细聚合物混凝土机械性能的研究
Jun Wan1, Caisen Wang2, Jiongfeng Liang3
1College of Architecture Engineering, Jiangxi Science and Technology Normal University, Nanchang, China.
PloS one
|June 30, 2025
概括
这项研究表明,在混凝土中使用渣 (LS) 作为水泥替代品和回收精细聚合物 (RFA) 可以提高强度. LS可以弥补RFA的损失.
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
- 环境科学 环境科学
背景情况:
- 工业固体废物如渣 (LS) 和回收精细聚合物 (RFA) 构成了处置挑战.
- 可持续的混凝土生产需要创新的材料采购,以减少对河流沙 (RS) 等自然资源的依赖.
- 将废弃材料整合到混凝土中,为建筑中的循环经济原则提供了一条道路.
研究的目的:
- 研究渣 (LS) 作为水泥替代品和回收细聚合物 (RFA) 作为河流沙 (RS) 替代品对混凝土性能的联合影响.
- 确定LS和RFA的最佳整合水平,以实现可持续和高性能混凝土.
- 评估LS对RFA造成的机械性能降低的补偿效应.
主要方法:
- 实验性混凝土混合设计,具有不同的LS含量 (0-40%) 和RFA替换率 (0-30%).
- 机械性能的标准化测试,包括压力强度,分裂拉伸强度和屈曲强度.
- 分析可加工性和不同机械参数之间的相关性.
主要成果:
- 最佳的LS整合 (20%) 提高了压力,分裂拉力和屈曲强度,分别高达12.7%,11.9%和9.16%.
- 添加RFA线性降低了机械性能,其中30%的RFA导致压力强度降低了19.07%.
- 添加LS有效地减轻了RFA的性能损失,证明了补偿效应.
结论:
- 结合LS和RFA的使用为混凝土生产提供了一个可持续的战略,减少工业废物和保护自然资源.
- 渣回收精细聚合混凝土 (LSRFAC) 显示出具有机械参数已建立的转换公式的结构应用的潜力.
- 这种方法支持对环境负责任的建筑材料创新和循环经济.
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