Framework of Prediction Model for Mid- to Long-Term Performance Changes of Urban Railway Facilities Based on Performance Evaluation Reports

Jonghyeob Kim, Jae-Goo Han, Goune Kang and Kyung-Ho Chin
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Jonghyeob Kim: Department of Construction Policy Research, Korea Institute of Civil Engineering and Building Technology, Goyang-si 10223, Korea
Jae-Goo Han: Department of Construction Policy Research, Korea Institute of Civil Engineering and Building Technology, Goyang-si 10223, Korea
Goune Kang: Department of Construction Policy Research, Korea Institute of Civil Engineering and Building Technology, Goyang-si 10223, Korea
Kyung-Ho Chin: Construction Industry Promotion Department, Korea Institute of Civil Engineering and Building Technology, Goyang-si 10223, Korea

Sustainability, 2021, vol. 13, issue 23, 1-11

Abstract: To maintain railway facilities in an appropriate state, systematic management based on mid- and long-term maintenance plans through future performance prediction must be carried out. To this end, it is necessary to establish and utilize a model that can predict mid- to long-term performance changes of railway facilities by predicting performance changes of individual sub-facilities. However, predicting changes in the performance of all sub-facilities can be difficult as it requires large volumes of data, and railway facilities are a collection of numerous sub-facilities. Therefore, in this study, a framework for a model that can predict mid- to long-term performance changes of railway facilities through analysis of continuously accumulated performance evaluation results is proposed. The model is a system with a series of flows that can classify performance evaluation results by individual sub-facilities, predict performance changes by each sub-facility using statistical methods, and predict mid- to long-term performance changes of the facility. The developed framework was applied to 36,537 sub-facilities comprising 12 lines of two urban railways in South Korea to illustrate the model and verify its applicability and effectiveness. This study contributes in terms of its methodology in establishing a framework for predicting mid- to long-term performance changes, providing the basis for the development of an automated model able to continuously predict performance changes of individual sub-facilities. In practical terms, it is expected that railway facility managers who allow trade-off between reliability and usability can contribute to establishing the mid- to long-term maintenance plans by utilizing the model proposed in this study, instead of subjectively building them.

Keywords: performance change; performance evaluation; urban railway; mid- to long-term; prediction model (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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