10 March 202017:30 - for 18:00 start
The Institution of Structural Engineers
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In the 1960s, UK innovations were replacing traditional steel girder construction designed to simple BS codes using slide rules. The change was to innovative all welded construction of stiffened box girders, some as cable stayed (Erskine) or suspension bridges (Severn). Often old codes were used without reviewing or updating them for the very different scale and proportions of these complex slender structures.
The UK Merrison Committee was set up after the fatal 1970 collapses of Milford Haven and West Gate Bridges. It developed Interim Design and Workmanship Rules (IDWR) for the design of steel box girder bridges and the assessment and strengthening of the dozens of deficient UK bridges. It developed Pugsley’s approach to rational factors of safety based on the real variability of loads and construction. Later these comprehensive rules were oversimplified into BS5400 and then further watered down into EN1993.
Today’s engineers designing bridges or innovative steel structures should understand the fundamental of buckling and plasticity and revisit the source research which these Codes have debased.
Jonathan Wood founded Structural Studies and Design Ltd, a specialist consulting engineering practice in 1992. Projects have included forensic investigations and expert witness work on bridge demolition, car parks, concrete quality and testing, tunnel construction damage, office block facades, a sagging hospital records building and the investigation of Pipers Row Car Park collapse for HSE.
In the 1980s he worked for Mott MacDonald Special Services on worldwide investigations and remedial work on deteriorating bridges, tunnels, offices, hospital buildings, etc and the development of concrete specifications for more durable structures, including the Channel Tunnel.
In the 1970s he worked for Flint & Neill on Merrison research and the development of bridge design rules for steel box girders. He undertook design and remedial work on major bridges, including Humber and Severn and post collapse reconstruction of the West Gate and Milford Haven bridges.
Email - [email protected]
Name - Rob Thomas
This talk will demonstrate how innovative surveying and sensing techniques can improve our understanding of the current damage state of building, and allow tracking its response during tunnelling with unprecedented detail.
This talk will give insight into the incredible structural robustness of a chapel that dates back to 1797.
This talk will give unique insight into how Rochester Bridge was engineered and maintained during the Anglo-Saxon, Norman and early Medieval periods.
Luke Bisby discusses 'fire resistance’ design, how Chartered Structural Engineers can be confident that they have discharged their professional duties when designing structures for fire, and how they can assess whether their approach is appropriate.
This annual lecture will showcase presentations from the Pai Lin Li 2018 Travel Award winners, Amy Brander and Kavinda Isuru Nanayakkara.
An introduction to the United Nations' SDGs and how structural engineers can use these in their work to tackle the climate crisis and create a better world.
Tim Hetherington will discuss global heating and the biosphere crisis, looking at how this impacts structural engineers working in the built environment.
The Surrey Regional Group will hold a Young Members' Technical Meeting at Kingston University featuring reports presented by young members based on their recent experience.
Matt Fox will give a presentation on the Statutory Planning Consent Process.