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基于断面高程的路面构造深度计算模型研究

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Keywords: 道路工程,路面构造深度,断面高程,计算模型,一致性

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Abstract:

为了明确和统一我国路面构造深度计算模型,针对我国基于断面高程的路面构造深度计算模型复杂多样,缺乏理论联系,造成构造深度测量结果横向可比性差的技术问题,通过阐述路面构造深度测试技术,剖析基于断面高程的构造深度测量方法的技术内涵,提出了采用与铺砂法具有良好相关性的SMTD作为我国路面构造深度计算模型的观点,并应用正交法回归设计理论,论证了国家标准《多功能路况快速检测设备》(GB/T26764—2011)与交通运输行业标准《车载式路面激光构造深度仪》(JT/T840—2012)中,有关构造深度计算模型规定的一致性。如果能够在路面抗滑要求与路面构造深度标准匹配方面,有针对性地补充必要的试验验证研究,将为激光构造深度测量方法直接应用于路面抗滑性能的评定提供技术依据。

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