压缩过程中的水对HMA路面表面特征的影响
Bingquan Dai1,2, Lei Mao3, Pan Pan1,2
1School of Civil Engineering and Architecture, Wuhan Institute of Technology, Wuhan 430205, China.
Materials (Basel, Switzerland)
|May 11, 2024
概括
在热混合青 (HMA) 路面压缩过程中使用水会增加表面抛光的风险. 这种效应随着更高的用水量,成型温度和老化而恶化,影响了路面的耐用性.
科学领域:
- 铺路工程工程 铺路工程
- 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.
背景情况:
- 在热混合青 (HMA) 路面压缩过程中通常使用水,以防止粘附.
- 这种做法可能会对青粘合剂和聚合物之间的结合产生负面影响,导致路面表面抛光.
- 这种水应用对HMA表面性能的影响需要彻底调查.
研究的目的:
- 为了确定HMA路面紧缩过程中使用的水是否会影响其表面性能.
- 量化水消耗,成型温度和老化对路面表面特征的影响.
主要方法:
- 使用黑色像素比率和质量损失比率评估HMA表面性能.
- 在不同的水耗,成型温度和长期老化的条件下进行测试.
主要成果:
- 在压缩过程中使用的水显著增加了HMA路面表面抛光的风险.
- 随着水消耗增加,成型温度提高和老化时间延长,不良影响会加剧.
- 在黑色像素比率和质量损失比率之间确定并证明了相关性.
结论:
- 在HMA压缩过程中应用水对路面表面的完整性构成风险.
- 优化水的使用和考虑温度和老化对于减轻抛光至关重要.
- 建议进行进一步的研究,以探索潜在的机制并制定有效的治疗策略.
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