“Shear Plasticity in Practice”

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• John Bennetts - Parsons Brinckerhoff
• Friday 25 October 2013, 15:00-16:00
• Cambridge University Engineering Department, LR5.

If you have a question about this talk, please contact Lorna Everett.

Conventional, codified, methods of assessing the capacity of reinforced and pre-stressed concrete half-joints can prove excessively conservative when applied to existing structures, which were designed to less onerous standards and have suffered significant in service deterioration.

This seminar will discuss the use of a three pronged approach to the assessment of an existing half-joint using lower and upper bound plastic analyses, supported by non-linear finite element methods. This combined approach, with cross pollination of mechanisms between methods, sought to converge the assessed capacities from the three techniques, producing a result which is reliable without being excessively conservative. The approach is discussed with reference to the A14 Huntingdon Railway Viaduct.

This talk is part of the Engineering Department Structures Research Seminars series.

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