Network Rail estimates that around 500 masonry arch railway bridges are too low for its electrification programme. Together with Dr Bill Harvey, they explored cost-effective solutions that would cause the least disruption to the rail environment and prevent further overbridges being demolished in the future.
The lecture explains the technical difficulties behind ElevArch®, a patented technique where the arch of a bridge is cut free from its abutments and walls, so it can be jacked upwards, enlarging the space beneath.
Dr Bill Harvey began his career working on large steel bridges including Humber. He went on to a career in academia where he began studying masonry bridges. Since 2000 he has worked as an independent consultant and is considered one of the most renowned masonry arch experts.
The Technical Lecture Series is supported by Trimble.