使用干燥混合方法对聚乙烯二甲改性青混合物的性能进行实验评估
Ba Tu Vu1,2, Manh Tuan Nguyen1,2
1Faculty of Civil Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, Dien Hong Ward, Ho Chi Minh City 72500, Vietnam.
Polymers
|March 14, 2026
概括
这项研究调查了在青混合物中使用聚乙烯二甲 (PET) 的情况. 经过修改的干燥混合方法证明了路面材料的优越耐疲劳性.
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.
- 聚合物科学 聚合物科学
背景情况:
- 高质量的路面材料对于基础设施的弹性至关重要.
- 沉重的负载和炎热的天气对路面的耐用性构成重大挑战.
- 将聚乙烯二甲 (PET) 等聚合物纳入青混合物是一个有前途的策略.
研究的目的:
- 用不同的混合方法评估使用PET修改的青混合物的性能.
- 为了比较传统干燥和改性干燥混合技术对PET改性青的有效性.
- 分析PET修改对路面设计和疲劳寿命的影响.
主要方法:
- 使用传统的干燥和修改的干燥混合方法与PET制备了青混合物.
- 测试了包括间接抗拉强度,静态弹性模块和动态模块在内的机械性能.
- 进行了疲劳测试,以评估混合物的长期性能.
- 使用实验数据和青研究所模型进行了灵活路面设计分析.
主要成果:
- 经过修改的干燥混合方法,与传统的干燥方法相比,产生了具有更强的抗疲劳能力的青混合物.
- 加入PET影响了青混合物的机械性能.
- 实验性弹性模量值被用来预测路面设计的疲劳寿命.
结论:
- 修改后的干混合方法更有效地将PET纳入青混凝土,特别是改善疲劳性能.
- 用PET修改的青混合物显示出持久且具有成本效益的路面解决方案的潜力.
- 该研究为优化路面设计和材料选择提供了有价值的数据.
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