基于模糊综合评价法的沥青路面技术状况评价与养护决策体系研究

Research on Evaluation of Asphalt Pavement Performance and Maintenance Decision System Based on the Fuzzy Comprehensive Evaluation Method

目的分析计算路面性能的影响权重,建立沥青路面养护决策体系.方法采用模糊综合评价法,对20条普通公路数据样本进行计算,并通过G202、G305等计算实例阐明计算过程.结果得到了各评价检测指标对路面性能的影响权重,并对公路数据样本做出定量评价.计算得到各路段样本与路面状况等级之间的关联度,根据最大关联度原则可评判路面状况等级.结论计算结果与实际情况和人为判断相一致,说明该评价方法可行.建立的沥青路面养护决策体系可以对普通公路沥青路面养护决策提供理论依据.

Influencing weights of pavement performance are analyzed and calculated to establish a system of maintenance decision of asphalt pavement. The method of fuzzy comprehensive evalua tion is adopted to calculate the data including samples of 20 ordinary highways, with illustrating the calculation process through calculating examples such as G202 and G305. The influence weights of pavement performance of each evaluation detection index are obtained, and the relational degrees between samples of each part and pavement status are obtained by calculation. Thus the pavement status degree is determined according to the principle of largest degree of association. It is seen that the calculation results are consistent with the actual situation and artificial judgment. Conclusion is this evaluation method is reasonable;the built asphalt pavement maintenance decision system can provide a theoretical basis for the maintenance decision of ordinary highway asphalt pavements.