Prediction of blow-up for jointed concrete pavement
Source abstract
Abstract
High temperatures cause concrete pavements to expand, closing contraction joints and integrating slabs between expansion joints. This expansion generates compressive forces due to friction with the subbase and end restraints, leading to blow-ups when the accumulated force exceeds the buckling threshold. Blow-ups are sudden and pose safety risks, yet no reliable prediction model exists. This study proposes the PGBA (Pavement Growth and Blow-up Analysis) model to predict blow-up occurrence time and location. The model consists of three processes: calculating the compressive force required for slab integration, predicting accumulated compressive force, and determining blow-up occurrence by comparing the accumulated force with the blow-up threshold. A large-scale blow-up test was conducted to assess blow-up forces under different geometric imperfections. The PGBA model was applied to the Seohaean Expressway, successfully predicting blow-up locations and times. The results demonstrate the model’s effectiveness in proactive blow-up prevention.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Innovative concrete reinforcement materials · Asphalt Pavement Performance Evaluation · Geotechnical Engineering and Soil Stabilization
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Gangneung-Wonju National University
Funding
Basic Science Research Program · National Research Foundation of Korea · Ministry of Education · Institute for Smart Infrastructure of Gangneung-Wonju National University
References (24)
Show source-provided references
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