高模量改性青的低温性能构成模型的评估:一项基于BBR测试的研究
Chao Pu1,2,3, Bingbing Lei3,4, Zhiwei Yang2,3,5,6
1School of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China.
Materials (Basel, Switzerland)
|September 13, 2025
概括
高模量青在低温下表现不佳. 汉堡模型准确地描述了其低温爬行行为,与其他模型不同,使其可靠地评估青路面的耐用性.
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.
- 类风病学 类风病学 类风病学
背景情况:
- 高模块青为耐用路面提供了出色的疲劳和高温耐受性.
- 低温性能差仍然是其广泛使用的重大限制.
- 了解低温行为对于改善高模块青应用至关重要.
研究的目的:
- 为了研究高模块青的低温构成关系.
- 评估不同粘弹性模型对于描述低温爬行行为的适用性.
- 确定最可靠的模型来评估高模块青的低温性能.
主要方法:
- 在四个高模块青样本上进行了曲束风力计 (BBR) 测试.
- 低温爬行参数是从BBR测试中获得的.
- 应用了三个粘弹性构成模型 (三参数固体,四参数固体和汉堡模型).
- 用灰色关系分析 (GRA) 来评估模型的适用性.
主要成果:
- 三参数固体和四参数固体模型显示不稳定的参数变化和低的适配精度.
- 汉堡模型在稳定的参数波动下表现出高的适配精度.
- 灰色关系分析证实了汉堡模型的卓越性能.
结论:
- 汉堡模型比三参数固体和四参数固体模型更适合描述高模块青的低温爬行行为.
- 汉堡模型提供了一种可靠的方法来评估高模块青的低温性能.
- 这项研究有助于提高高模块青路面的耐用性和应用范围.
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