基于驾乘舒适性的沥青混凝土路面评价

王锋; 张金喜

doi:10.3969/j.issn.0258-2724.2014.04.020

基于驾乘舒适性的沥青混凝土路面评价

doi: 10.3969/j.issn.0258-2724.2014.04.020

王锋¹,
张金喜²

基金项目:

教育部高等学校博士学科点专项科研基金资助项目（20091103110008）

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- 被引次数: 0
出版历程
- 收稿日期: 2013-10-22
- 刊出日期: 2014-08-25

Evaluation of Asphalt Concrete Pavement Based on Passenger Ride Comfort Level

WANG Feng¹,
ZHANG Jinxi²

摘要

摘要: 为给沥青混凝土路面舒适性评价及日常管理养护提供理论依据，在测得室内外大量道路路面性能参数及三向加速度数据的基础上，研究了加权加速度均方根值与道路路面性能参数之间的关系.运用214组有效室外实验数据，拟合了加权加速度均方根、行驶速度与平整度关系的线性回归方程，并用驾驶模拟舱对室外实验结论进行了验证.结果表明：加权加速度均方根与平整度强相关，与速度中等程度相关，与动态摩擦系数弱相关，在动态摩擦系数一定的条件下，驾乘舒适性随平整度及行驶速度的增加而降低；当平整度为1.35和3.05 mm/m时，满足驾乘舒适性的最大速度分别为124.1和88.7 km/h.
- 沥青混凝土路面 /
- 驾乘舒适性 /
- 加权加速度均方根 /
- 最大行驶速度 /
- 舒适性评价
Abstract: In order to provide a theoretical basis for the ride comfort level evaluation, daily management, and maintenance of asphalt concrete pavement, the performance parameters and three-directional acceleration data of highway pavements were measured indoors and outdoors. Using these data, the relationship between the mean square of weighted acceleration and the pavement performance was studied. A linear regression equation that reflects the relationship between the root mean square of weighed acceleration, speed, and roughness was obtained by fitting 214 groups of experimental data. In addition, the outdoor experimental results were verified using a driving simulator. The results show that the root mean square of weighed acceleration is strongly correlated with roughness, moderately correlated with the speed, and weakly correlated with the dynamic friction coefficient. Given a certain dynamic friction coefficient, the ride comfort level of an asphalt concrete pavement reduces with its roughness and driving speed increasing. When the roughness is 1.35 and 3.05 mm/m, the maximum speed with an appropriate ride comfort level is 124.1 and 88.7 km/h, respectively.
- asphalt concrete pavement /
- riding comfort /
- mean square of weighed acceleration /
- maximum driving speed /
- comfort evaluation

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