9-10 September 2019 in Greenwich, London

Sinan AkkarA ground motion model to estimate nonlinear deformation demands from a recent pan European strong motion database

Paper co-authored with Abdullah M Sandikkaya.


Estimating nonlinear deformation demands is essential in performance based seismic design and assessment. It becomes even more important as probabilistic damage (loss) assessment becomes an important component in taking critical decisions about the resilience-based performance of structural systems. Considering these issues...

Ioannis AnastasopoulosWidening of existing motorway bridges: can pilegroup retrofit be avoided?


The expansion of current motorway infrastructure often involves widening of existing bridges, calling for pier and foundation retrofit. While pier retrofit is relatively straightforward, pilegroup strengthening can be a challenging, costly, and time–consuming operation. A non-negligible excavation is necessary to reach the existing pilecap, followed by construction of additional piles, and of a new pilecap that...

Jack BakerAdvances in simulating post-earthquake recovery for performance-based engineering and resilience


The performance-based earthquake engineering paradigm has enabled a dramatic shift in the way that some damage-resistant buildings are being designed. By enabling the more explicit targeting and verification of performance in large earthquakes, building owners have an increased opportunity to achieve enhanced performance with limited additional cost. And ongoing research is extending this...

Dina D'AyalaCumulative damage to masonry structures due to repeated earthquakes and effectiveness of strengthening provisions


The quantification of the response of buildings to consecutive shaking from strong motions occurring at the same site in relatively rapid succession, and before repairs can be implemented, is not a recent problem. Examples are documented from at least the late 1990’s. However, after major swarms of earthquakes at the beginning of this decade, the Maule Chile earthquake...

Ahmed ElghazouliTowards improved seismic design procedures for steel structures


European seismic design procedures are currently undergoing a process of evolution and development. This process is guided by improved understanding of structural behaviour based on new research findings, coupled with the need to address issues identified from the practical application in real engineering projects. Developments in design guidance however need to balance technical advancements with the desire to maintain...

Eleni ChatziTowards self-aware infrastructure


Engineers are today faced with a conundrum. On one hand an ageing building stock and on the other novel materials and digital building technologies reshaping the landscape of construction. The life-cycle management of both existing and new structural systems operating under diverse loads demands a better understanding of how these systems respond. This involves the tasks of simulation (forward engineering), identification (inverse engineering) and...

Ziggy LubkowskiPerformance-based geotechnical earthquake engineering – How can we use it in practice?


Since the publication of SEAOC Vision 2000 in 1995 the topic of performance-based earthquake engineering has been a key subject for earthquake engineers. This has principally been focussed on structural aspects of design and less so on geotechnical aspects. The framework of performance-based design was adopted some 15 years ago in the International Standard ISO 23469 for seismic design of...

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