2025 Volume 4 Issue 1 Pages 275-284
JR East has been applying various waterproof coatings to concrete bridges to counteract damage caused by water, such as frost damage and alkali-silica reaction (ASR).
In this article, through desk research and on-site investigations, we evaluated the long-term effectiveness of existing countermeasures and identified their issues. Based on these results, we also examined a method for selecting countermeasures that incorporates a network diagram, allowing for organization based on multiple conditions, to propose countermeasure policies tailored to various site conditions.