Earthquake Risk and Engineering towards a Resilient World

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

Overview

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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Review

Standard methods for modelling the impact of near surface geology on ground motion, such as SHAKE91 (Idriss & Sun, 1992), require knowledge of the shear wave velocity profile of the subsoil. While field gathered velocity profiles provide the optimum input to this type of analysis, invasive investigation methods, such as seismic cone penetrator, may not always be efficient due to cost and access (Anderson et al., 2007). Non-invasive, surface-wave methods do not always achieve the depth of investigation required, and in the absence of field data shear velocities can be estimated using physical property relationships. Alternatively, deeper geophysical investigation using the H/V spectral ratio technique on ambient vibrations can be used to obtain site velocity profiles (SESAME 2004). We have used a combination of these methods to assess stratigraphic controls on site characteristics and ground motion amplification in South East England.

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