基于特尔菲-理想点法沥青路面使用性能评价

Asphalt Pavement Performance Assessment Based on Delphi Method and Ideal Point Method

针对传统路面使用性能评价方法对高等级路面区分效果不明显,主观性强以及智能算法确定参数繁琐等不足,选取路面破损状况指数(PCI)、行驶质量指数(RQI)、结构强度系数(SSI)、路面抗滑性能指数(SRI)、车辙深度(RD)作为评价指标,通过特尔菲方法确定各指标的权重系数,建立特尔菲-理想点法路面使用性能评价模型.利用该方法对高速公路沥青路面使用性能数据进行分析计算,其结果与实际判别结果一致,从而验证了该方法的可行性.该方法大大降低了权重确定的主观性,并具有适用性强、原理简单、计算简便等特点.

To address the shortcoming that traditional pavement performance method is subjective and is not suitable to the high-grade road,and intelligent algorithm is fussy to determine the parameters,the pavement condition index（PCI）,pavement ride quality index（RQI）,structure strength index（SSI）,pavement skid resistance index（SRI） and rut depth（RD） were chosen as pavement performance indicators to determine the weight coefficient of each index in the Delphi method.A comprehensive model of pavement performance assessment was established in Delphi-Ideal Point method.At last,some highway pavement performance data were analyzed and computed,and the results were consistent with the actual data,thus proving that the Delphi-Ideal Point method is reliable.This method greatly reduces the weight of subjectivity,and it is feasible and simple,and at the same time,its calculation is easy.