研究纤维增强高模块青混凝土的路面性能
Gaixia Chen1, Tuanjie Wang1, Yuquan Yao2
1School of Architectural Engineering, Zhengzhou University of Industrial Technology, Zhengzhou 451100, China.
Polymers
|February 13, 2026
概括
这项研究研究了将玄武岩,聚和素纤维添加到高模块青混凝土中,以提高路面性能. 纤维增强了高温,低温和疲劳性能,并为最佳纤维含量提出了具体建议.
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.
- 铺路工程 铺路工程是指铺路工程.
背景情况:
- 高模量青混凝土 (HMAC) 在高温和重负荷下有效防止路面.
- 然而,HMAC在低温下表现不佳,限制了其在温度波动较大地区的使用.
- 纤维增强正在探索增强HMAC属性,特别是解决其低温缺陷.
研究的目的:
- 为了评估玄武岩,聚和素纤维对高模块青混凝土性能的影响.
- 确定最佳的纤维含量,以提高高温,低温,水稳定性和耐疲劳性.
- 建立纤维增强型HMAC的性能评估系统.
主要方法:
- 在HMAC混合物中加入三种纤维类型 (玄武,聚,红素).
- 系统性性能评价使用曲试验,低温曲试验,浸泡马歇尔试验,冷解试验,疲劳试验和动态模量试验.
- 分析纤维含量对各种路面性能指标的影响.
主要成果:
- 纤维添加最初提高了高温,低温和疲劳性能,但过量的纤维会降低这些性能.
- 玄武岩纤维在高温和疲劳性能方面表现出色;聚纤维提供了最好的低温改善.
- 素纤维的改善不太明显,所有纤维都对动态模量产生了负面影响;水的稳定性没有受到显著影响.
结论:
- 建议的最佳纤维含量为0.4%的玄武岩纤维,0.3%的聚纤维和0.3%的素纤维,以保持平衡的性能.
- 纤维显著提高HMAC的低温性能.
- 基于实验发现,建立了纤维增强HMAC的性能评估系统.
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