21 November 202318:00 - 20:30 GMT
Online and at The Alan Baxter Gallery, 75 Cowcross Street, London EC1M 6EL
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After millennia of construction and use, masonry bridges are remarkably poorly understood. A robust treatment of the masonry arch at collapse is well established, but the behaviour of masonry bridges and viaducts – of which the arch is just one part – is another matter.
This talk will survey the development of a structural understanding of arch behaviour and how little that influenced the practice of masonry bridge and viaduct construction. It will consider the lacunae that remain in our knowledge, and the challenges these create for those now caring for these valuable and much-loved structures.
Learn how modern structural understanding of arching behaviour developed and how little it influenced practice
Gain an appreciation of the limitations of analysis in dealing with masonry bridges and viaducts
Consider how we can deal with the unavoidable uncertainties, without looking for "magic bullet" solutions
The lecture is open to anyone and may be of particular interest to:
Engineers involved in assessing and caring for, or designing masonry bridges, viaducts, and other arching structures
Anyone interested in the history and future of these delightful structures (first year engineering mechanics will be helpful)
Hamish develops and supports the Archie-M masonry bridge assessment software through Obvis Ltd, and provides consultancy, including bespoke thrust analysis tools, through Bill Harvey Associates Ltd. Masonry bridges have pervaded Hamish’s life since childhood. Holidays included at least one detour to a bridge (his own son now suffers the same). His introduction to computing was a glowing green arch and thrust line drawn on the screen of an early personal computer. After all that, he avoided masonry bridges in his early career, but quickly succumbed to their fascination on joining Bill Harvey Associates.
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