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SUMMARY:Cumulative damage to masonry structures due to repeated earthquake
 s and effectiveness of strengthening provisions - Professor Dina D’Ayala
 \, University College London
DTSTART:20191101T150000Z
DTEND:20191101T160000Z
UID:TALK134089@talks.cam.ac.uk
CONTACT:Karen Mitchell
DESCRIPTION:The quantification of the response of buildings to consecutive
  shaking from strong motions occurring at the same site in relatively rapi
 d succession\, and before repairs can be implemented\, is not a recent pro
 blem. Examples are documented from at least the late 1990’s. However\, a
 fter major swarms of earthquakes at the beginning of this decade\, the Mau
 le Chile earthquake\, 2010\, Christchurch\, New Zealand earthquake\, 2011\
 , and the Tohoku\, Japan earthquake\, 2011\, the scientific and technical 
 community has been paying more\nattention to this issue with a significant
  number of studies devoted to this problem with the intent of providing de
 sign guidance for structures exposed to repeated shaking.\n\nSuch studies 
 rely on:\n more accurate documentation and reliable records of seismic 
 sequences\, thanks to denser and more sensitive arrays of sensors\,\n b
 etter understanding and modelling of fault ruptures and\nrelationship amon
 g consecutive strong motions\;\n more detailed post elastic modelling o
 f structures\, with improved characterization of degrading capacity phenom
 ena.\n\nDesigning for multiple earthquakes is a logical extension of the p
 erformance-based design\, responding to the necessity of minimizing damage
 \, so as to reduce recovery times and costs\, improve resilience and rende
 r the building stock more sustainable.\n\nBio:\nDina D’Ayala is the Prof
 essor of Structural Engineering at University College London\, within the 
 Department of Civil\, Environmental and Geomatic Engineering. She is head 
 of Civil Engineering and Co-Director of the Earthquake and People Interact
 ion Centre\, EPICentre. She is a director of the International Association
  of Earthquake Engineers and Fellow of the ICE. Her specialism is Structur
 al Resilience Engineering with particular emphasis on the assessment\,\nst
 rengthening\, preservation and resilience of existing buildings\, structur
 es\, transport infrastructure and cultural heritage. Her current research 
 focuses on resilience of structures and infrastructure to natural hazards\
 , supported through research grants from EU FP7\, INFRARISK\, and the UK R
 C\, PARNASSUS\, STORMLAMP\, SCOSSO\, PRISMH. She has 25 years’ experienc
 e working with international agencies\, the World Bank\, ODA\, UNDP\, Brit
 ish Council\, in countries such as Nepal\, Jordan\, Turkey\, Iraq\, Philip
 pines etc.\, and leading interdisciplinary projects on enhancing resilienc
 e against natural hazards. She has produced Guidelines for DfID on assessm
 ent and strengthening of hospitals and reconstruction efforts in Nepal. Sh
 e is the chief scientist for the World Bank on the Global Programme for Sa
 fe Schools (GPSS) and leads the development of the World Bank GLoSI projec
 t.
LOCATION:Seminar Room\, Civil Engineering Building\, JJ Thomson Avenue 7a.
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