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SUMMARY:Post tensioning for structural innovation: an overlooked perspecti
 ve - Leonardo Todisco\, Technical University of Madrid
DTSTART:20200501T140000Z
DTEND:20200501T150000Z
UID:TALK141970@talks.cam.ac.uk
CONTACT:Dr Maria Marques de Carvalho
DESCRIPTION:This talk discusses the major impact of post tensioning as a\n
 powerful tool\, which has yet to be fully exploited at the design stage by
  the structural engineer To support this idea three different topics of th
 e on going research are presented\n1 - Post tensioned masonry structures\n
 This research claims the high potential of masonry as a primary load beari
 ng material when combined with post tensioning.Both the design and the con
 struction of a reduced scale arch footbridge are presented\n2 - Post tensi
 oned free form structures\nNon structural design criteria (e g usability\,
  architectural\nneeds\, aesthetics) often prevents the selection of a bend
 ing\nfree shape This research illustrates how external post\ntensioning ca
 n convert any geometry into a bending free one\nThis opens up new possibil
 ities for designs that combine high\nefficient solutions with architectura
 l freedom\n3 - Post tensioned responsive structures\nExternal post tension
 ing has proven to be an effective solution to introduce intermediate suppo
 rts in structures in order to decrease their spans. However\, the maximum 
 system efficiency is only achieved for a specific loading. This research\n
 presents the possibility of using a responsive external post\ntensioning s
 ystem\, where the responsive behaviour is\nmaterialized through an actuato
 r located between the beam\nand the post tensioning system. In summary\, p
 ost tensioning offers to the designer the ability to control the structura
 l behaviour and\, as a natural consequence\, may provide a considerable le
 vel of innovation in structural engineering
LOCATION:Zoom (email structures-admin@eng.cam.ac.uk for link)
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