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首页> 外文会议>International Workshop on Energy and Environment in the Development of Sustainab;e Asphalt Pavements(沥青路面与能源环境的可持续发展国际研讨会） >Study on Preventive Maintenance Indicator System for Asphalt Pavement of Freeway
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Study on Preventive Maintenance Indicator System for Asphalt Pavement of Freeway

机译：高速公路沥青路面预防养护指标体系研究

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摘要

The current preventive maintenance characterizing system used in China is inconsistent with the data collection technology, and could not describe the specific characteristics of the pavement distress. This is due to that the pavement condition index (PCI) used in this system is a kind of integrated indicator which can not fully indicate the extent or severity of an individual distress (e.g., ratting, cracking etc.). Accordingly, this paper proposed a new classification of the preventive maintenance work, which belongs to intermediate maintenance according to the classification of road maintenance project. Based on the analysis of the existing assessment system for the maintenance criteria, this paper has particularly pointed out that the pavement distress indicator of PCI could not reflect the features of minor distress. An assessment indicator system is proposed, which covers 5 individual indicators including the functional cracking rate, functional distress, riding quality, skid resistance and rutting, combining with the estimation model and parameters for each of the indicators. It can be concluded that the key discriminates for identifying road conditions are not eligible for preventive maintenance.
机译：中国目前使用的预防性维修表征系统与数据收集技术不一致，无法描述路面遇险的具体特征。这是因为该系统中使用的路面状况指数（PCI）是一种综合指标，无法完全指示单个遇险（例如，嘎嘎声，开裂等）的程度或严重性。因此，根据道路养护项目的分类，本文提出了一种新的预防性养护工作分类方法，属于中间养护。在对现有维修标准评估体系进行分析的基础上，本文特别指出，PCI的路面破损指标不能反映出轻微破损的特征。提出了一个评估指标体系，涵盖了5个单独的指标，包括功能开裂率，功能遇险，骑乘质量，防滑性和车辙，并结合每个指标的估计模型和参数。可以得出结论，识别道路状况的关键因素不符合预防性维护的条件。

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