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3D打印塑料废弃物的可持续使用作为自我压缩砂:关于质,机械和热性能的研究
Usman Nazir1, Min-Chih Liao2, Duy-Hai Vo3
1Department of Civil & Construction Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan. D11105822@mail.ntust.edu.tw.
Environmental science and pollution research international
|September 3, 2025
概括
这项研究使用3D打印来制造塑料细聚合物 (3DPFA) 用于自压缩砂 (SCM). 加入3DPFA提高了SCM的可加工性和流量,同时还降低了导热性.
科学领域:
- 材料科学
- 土木工程
- 环境科学
背景情况:
- 塑料垃圾对环境和健康构成重大挑战.
- 塑料垃圾在建筑中的可持续再利用至关重要.
- 需要新的塑料废弃物利用方法.
研究的目的:
- 通过3D打印,从回收塑料制造出质检测设备.
- 使用3D打印的塑料细聚合物 (3DPFA) 提高自压缩砂 (SCM) 的性能.
- 评估3DPFA对SCM新鲜,机械和热性能的影响.
主要方法:
- 使用3D打印技术制造了质检测设备.
- 用不同百分比 (5%,10%,15%,20%) 的3DPFA替代天然沙子制备了SCM混合物.
- 评估了新鲜性质 (小型沉降流量,T20传播时间,J环,V道),机械性质 (压力强度,UPV) 和导热性.
主要成果:
- 加入3DPFA显著提高了SCM的可加工性和流动性.
- 在20%的3DPFA替代时,微型缩差增加了6%.
- 流量时间 (T20,V道) 减少,表明流量动态得到改善.
- 随着3DPFA的添加,热导率降低了22%.
- 通过J环测试评估的通过能力也得到了提高.
结论:
- 通过3D打印塑料细聚合物为建筑中塑料废物利用提供了可行的解决方案.
- 3DPFA增强了自我压缩砂的热导性,并降低了它的热导性.
- 这项研究为可持续的建筑材料和塑料废弃物的利用提供了有前途的途径.
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