A machine learning approach to risk assessment of expressway bridges

  • Le Duc Anh

    Ministry of Transport, No 80 Tran Hung Dao Street, Hanoi, Vietnam
  • Dao Duy Lam

    University of Transport and Communications, No 3 Cau Giay Street, Hanoi, Vietnam
  • Thai Thi Kim Chi

    University of Transport and Communications, No 3 Cau Giay Street, Hanoi, Vietnam
  • Bach Thi Diep Phuong

    University of Transport Technology, No 54 Trieu Khuc Street, Hanoi, Vietnam
Email: daoduylam@utc.edu.vn
Từ khóa: risk assessment, expressway bridge, machine learning, ANN, Random Forest

Tóm tắt

The expressway network in Vietnam is developing strongly, playing the role of the backbone of the national road system, in which bridge construction accounts for a large proportion. With many specific characteristics and complex risks always hidden in all stages of the expressway project, risk assessment to have solutions and plans to prevent and respond to risks, limiting the impacts of quality assurance and operational safety of the works is essential. However, the current risk assessment and forecasting models still have many limitations. The application of Machine Learning to all aspects of life is getting more popular. This article develops the algorithms, models and program to assess the technical risks in the period of construction and service of expressway bridges in Vietnam using Machine Learning, in order to solve the current limitations in this work. The selection of key influencing factors is especially important in the field of risk assessment. It improves the classification model's performance by focusing only on the most important factors in the data. Via the applications of artificial neural networks and the Random Forest Algorithm in data processing, the performance risks for bridge management can be analyzed, and performed in more detail and exactly. The possible multiple and non-linear relationships of the risks can be investigated. Based on the results, the proposed model helps the managers to make optimum decisions on managing the risks in advance and to obtain sustainable solutions

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