Semi-rigid base asphalt pavement structural strength prediction method and device, electronic equipment, storage medium and program product

By constructing a semi-rigid base layer asphalt pavement structure strength prediction model, combining the pavement disease distribution characteristics, internal structure damage characteristics, structural types, subgrade strength and temperature conditions, the problem of low prediction accuracy of pavement deflection value in the existing technology is solved, and more accurate pavement structure strength prediction and more effective road maintenance decisions are achieved.

CN119720630APending Publication Date: 2025-03-28ROADMAINT CO LTD
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Patent Information

Application Number
CN202411610465.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In the prior art, the prediction accuracy of pavement deflection values ​​is poor, resulting in problems such as road disease diagnosis errors and inaccurate analysis of maintenance requirements in road network-level maintenance decisions and project-level pavement maintenance scheme design.

Method used

A semi-rigid base asphalt pavement structure strength prediction method is proposed. By determining the pavement disease distribution characteristics and internal damage characteristics, the structural type and roadbed strength are obtained, and the temperature conditions are corrected, a semi-rigid base asphalt pavement structure strength prediction model is constructed to predict the pavement structure strength.

Benefits of technology

The accuracy of the prediction of the structural strength of the semi-rigid base layer asphalt pavement is improved, taking into account operability, and solving the problems of poor maintenance results and waste of funds caused by the lack of road surface deflection data in the maintenance decision of the highway network.

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Abstract

The invention provides a semi-rigid base asphalt pavement structure strength prediction method and device, electronic equipment, a storage medium and a program product, and the method comprises the steps: determining pavement disease distribution characteristics and structure internal damage characteristics of a to-be-predicted pavement, and obtaining a structure strength attenuation degree based on the pavement disease distribution characteristics and the structure internal damage characteristics; obtaining a structural form and roadbed strength, and obtaining an original deflection value based on the structural form and the roadbed strength; obtaining a temperature condition, determining a temperature correction coefficient based on the temperature condition, and correcting the original deflection value based on the temperature correction coefficient to obtain an initial deflection value; and based on the structural strength attenuation degree and the initial deflection value, constructing a semi-rigid base asphalt pavement structural strength prediction model, and based on the semi-rigid base asphalt pavement structural strength prediction model, predicting to obtain the semi-rigid base asphalt pavement structural strength. According to the invention, the precision of predicting the structural strength of the semi-rigid base asphalt pavement is improved, and the operability is considered.
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