18 November 202118:30 - 20:00 GMT
University of Bristol,
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The technical talk will cover Precast Concrete Hyperbolic Paraboloid Roof Shells 20m span, 2.44m wide, 60mm thick and also an introduction to the 80m span patented Silberkhul Northlight steel/concrete tied arch.
They were patented in the UK in 1957, but ceased to be manufactured in 1984. There are many buildings with roofs of this type in the UK and abroad which are nearing the end of their design life, such that they may require refurbishment or demolition.
As there are few people alive with comprehensive knowledge of this form of construction and little, if any archived information, this presentation will prove invaluable to those appointed to advise about such roofs in the future.
Of interest to or relevant to, Structural/Civil Engineers, surveyors, builders, architects, architectural technologists, demolition engineers, their related trainees and universities.
Martin Ashmead FIStructE
He was involved with Shell roofs, many of the supporting structures and foundations from 1962 to 1984.
Martin Ashmead has been a stalwart of the Western Counties Region Group Committee for 51 years, being awarded the accolades of, Life Regional Group Membership in 2001, the IStructE Centenary Service Award 2009 and the IStructE Lifetime Achievement Award 2021. Also many lecture awards including the IStructE Sir Arnold Waters Medal 2017.
He has a wide range of knowledge and experience based on 35 years in industry and private practice, then 15 years in Bristol City Council Building Control Department as Principal Structural Engineer and Public Protection Manager & Dangerous Structures Proper Officer. He retired in 2008, but is still enthusiastically involved with the local committee, teaching and contributing to the Institution of Structural Engineer’s Magazine.
This talk will take place in person at the Bristol University Campus. Bristol University are asking all students and visitors to wear a mask indoors on campus.
Email - [email protected]
Name - Nicholas Ball
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