Earthquake Risk and Engineering towards a Resilient World

9 - 10 July 2015, Homerton College, Cambridge, UK


SECED 2015 was a two-day conference on Earthquake and Civil Engineering Dynamics that took place on 9-10th July 2015 at Homerton College, Cambridge.

This was the first major conference to be held in the UK on this topic since SECED hosted the 2002 European Conference on Earthquake Engineering in London.

The conference brought together experts from a broad range of disciplines, including structural engineering, nuclear engineering, seismology, geology, geotechnical engineering, urban development, social sciences, business and insurance; all focused on risk, mitigation and recovery.

Conference themes

  • Geotechnical earthquake engineering
  • Seismic design for nuclear facilities
  • Seismic hazard and engineering seismology
  • Masonry structures
  • Risk and catastrophe modelling
  • Vibrations, blast and civil engineering dynamics
  • Dams and hydropower
  • Seismic assessment and retrofit of engineered and non-engineered structures
  • Social impacts and community recovery

Keynote speakers

SECED 2015 featured the following keynote speakers (affiliations correct at the time of the conference):

  • Peter Ford and Tim Allmark, Office for Nuclear Regulation, UK
  • Don Anderson, CH2M HILL, Seattle, USA
  • Bernard Dost, Royal Netherlands Meteorological Institute, The Netherlands
  • Anne Kiremidjian, Stanford University, USA
  • Rob May, Golder Associates, Australia
  • Tiziana Rossetto, University College London, UK
  • Andrew Whittaker, University at Buffalo, USA
  • Mike Willford, Arup, The Netherlands

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An explicit integration scheme that combines improved accuracy and reduced computational cost is presented herein, for the implementation of the NTUA-Sand bounding surface constitutive model into the Finite Difference Code FLAC (Itasca, 2011). The proposed integration algorithm automatically switches between a modified-Euler integration scheme with error-control and sub-stepping (Sloan et al, 2001), and the much simpler and computationally effective first-order (single-step) Euler integration, based on the local degree of non-linearity of the stress-strain relationship. The non-linearity is estimated from the difference between the stress increments of two consecutive steps, which is consequently compared against a given tolerance value, in order to select the appropriate integration scheme. The computational accuracy of the proposed integration algorithm is evaluated using the iso-error maps procedure, while its computational efficiency is demonstrated through its application, in element level, for the prediction of stresses in a given undrained shear strain path.

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