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SUMMARY:Performance of drains in earthquake-induced liquefaction mitigatio
 n under new and existing buildings - Samy Garcia-Torres\, PhD Research Stu
 dent at the Department of Engineering\, University of Cambridge.
DTSTART:20201119T160000Z
DTEND:20201119T164500Z
UID:TALK151099@talks.cam.ac.uk
CONTACT:Magdalena Charytoniuk
DESCRIPTION:Damage in buildings documented after recent earthquake-induced
  liquefaction events emphasises the importance of improving vulnerable reg
 ions using countermeasure techniques. Further investigations are required 
 to evaluate the performance of currently available mitigation techniques. 
 Vertical drains are an effective countermeasure technique\, extensively ut
 ilised to reduce damage\, as rapid dissipation of excess pore pressures ca
 n be achieved in case of liquefaction. However\, further research using ph
 ysical and numerical modelling techniques\, centred on the behaviour of dr
 ain arrangements below structures is required in order to generate knowled
 ge concerning the issue of their performance in the presence of buildings.
 \nDynamic centrifuge modelling has been employed in this work to improve u
 nderstanding related to the performance of drain arrangements in earthquak
 e-induced liquefaction below new and existing structures. The analysis con
 siders the use of recycled material as an alternative to coarse gravel ins
 ide the drains and proposes a simplified technique for the accurate simula
 tion of the drain behaviour during soil reconsolidation.\n
LOCATION:Delivered online via Zoom
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