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基于乘客感受的沥青路面平整度评价方法

Keywords: 国际平整度指标,心电指标,乘车舒适性,临界值

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Abstract:

从道路使用者的角度对乘车舒适性与路面平整度之间的关系进行研究.以乘客的心电指标RMSSD(rootmeansquareofthesquareddifferencesofsuccessiven-nintervals)为主要评价依据,选取平整度范围为1.06~5.53m/km的12条沥青路面进行室外乘车试验.实验数据表明:不同速度下RMSSD随平整度的变化有明显的变化规律,同时结合主观打分法和振动加速度评价法,提出基于乘客舒适性的平整度临界值.

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