沥青路面评价模型研究

在路面状况分析评价中,依据木桶理论以探求半刚性基层沥青路面的损坏模式.根据大量路面状况历史数据,相应于木桶理论,提出了路面状况评价指标体系,利用SAS软件系统的相关分析和回归分析对各指标与路况指数的相关关系进行探讨,并给出它们之间的数学函数式,由此得到半刚性基层沥青路面的损坏模式.进一步提出动态木桶理论和病害恶化率概念,揭示各病害指标的变化情况及其对路面状况评价的影响,结果有助于路面状况的预测,为未来路面养护决策提供有用的信息.

Study on the Evaluation Model of Asphalt Pavement Conditions

In the analysis and evaluation of highway asphalt pavement conditions, the barrel theory was firstly used to seek the damage pattern of asphalt pavement. Based on historic data of pavement conditions, the evaluation index system of pavement conditions was put forward according to this theory. Relationships between these indexes and pavement condition index were discussed by correlation and regression analysis, and the mathematical function was presented. Then the damage pattern of asphalt pavement was determined. The dynamic barrel theory was further presented which explained the effect of the change of each index on pavement condition evaluation to provide useful information for future pavement maintenance decision. The consistency between the conclusion and the practice indicates that the theories and methods in the paper have certain applicability and reference value.