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SUMMARY:Monitoring scour at bridge foundations - Kasun Danushka\, PhD Cand
 idate\, University of Cambridge
DTSTART:20180119T150000Z
DTEND:20180119T160000Z
UID:TALK98251@talks.cam.ac.uk
CONTACT:Karen Mitchell
DESCRIPTION:Scour\, which results from the erosion of the foundations supp
 orting bridge piers and abutments due to the action of fast flowing water\
 , has been identified as one of the main reasons for failure of bridges al
 l over the world.  Bridge owners seek reliable and cost-effective techniqu
 es that give warning of impending collapse and also allow them to rank the
  relative risk and extent of scour in their bridge stock. Various techniqu
 es have been used to monitor bridge scour\, ranging from scuba divers usin
 g crude depth measuring instrumentation to high-tech sonar and radar-based
  systems. However\, there are a number of challenges associated with all o
 f these monitoring techniques. Many only measure scour depth at a single l
 ocation and/or are susceptible to damage from debris in the fast-flowing w
 ater\, whilst others are labour-intensive and expensive. Only some provide
  real-time data or information on the extent and depth of scour. Hence\, i
 t is a challenging task for the bridge engineers to choose the most approp
 riate and efficient technique for monitoring scour of their bridge infrast
 ructure. This presentation reviews a number of existing scour monitoring t
 echniques and presents a case study of one of the more promising of these 
 techniques.
LOCATION:Cambridge University Engineering Department\, LR3A
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