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沥青路面压实效果评价指标

, PP. 34-39

Keywords: 道路工程,沥青路面,压实工艺,评价指标,无核密度仪,浸水汉堡车辙试验

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Abstract:

为了准确评价沥青路面压实效果,采用无核密度仪对路面密度进行检测,分析不同类型压路机的有效作用范围,并在分析现行沥青路面压实效果评价指标合理性的基础上,结合有效压实功原理,提出了以压实指数为评价路面压实效果的评价指标。最后,通过浸水汉堡车辙试验,验证评价指标与高温稳定性的相关关系。结果表明与评价指标空隙率相比,压实指数作为评价指标能更好地评价沥青路面的压实质量;压实指数与车辙深度、蠕变速率等高温稳定性参数的相关性明显,可用来评价路面的抗车辙性能。

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