Probabilistic model for prediction of international roughness index based on Monte Carlo

被引:0
作者
Rodriguez, M. [1 ]
Marin, C. [2 ]
Restrepo, L. [1 ]
机构
[1] Univ Medellin, Medellin, Colombia
[2] Univ Catolica Chile, Santiago, Chile
来源
REVISTA INGENIERIA DE CONSTRUCCION | 2022年 / 37卷 / 02期
关键词
International roughness index; IRI; pavement management; Monte Carlo method; reliability; MARKOV-CHAINS; PERFORMANCE;
D O I
10.7764/RIC.00021.21
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
The IRI International Regularity Index is a performance indicator that evaluates the functional condition of a pavement structure. Its value is a key input for the management of road assets, allowing to establish the opportune moment for carrying out interventions on the pavement. In addition, it is used to receive road surfaces, assess vehicle operating costs, evaluate the profitability of road projects and establish the cash flow in the financial administration of the project. The IRI data obtained from measurements carried out in the field, feed the deterministic deterioration model that allows future estimations of the indicator and the development of pavement maintenance programs. This research proposes to evaluate in a probabilistic way the model of the IRI International Regularity Index of the HDM-4 program, by assigning probability density functions to the input variables from real data taken in the field. To achieve this objective, a Montecarlo-type simulation model was developed, where roads must be classified by their geographical location, structural capacity of the pavement and traffic intensity expressed in Number of Equivalent Axes. The research results the IRI characterized functions, its estimation from an value.
引用
收藏
页码:117 / 130
页数:14
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