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SUMMARY:Re-engineering of A5 Glyn Bends Cutting\, Corwen - Sergio Solera (
 Mott MacDonald)
DTSTART:20151202T193000Z
DTEND:20151202T203000Z
UID:TALK62566@talks.cam.ac.uk
CONTACT:Stefan Ritter
DESCRIPTION:In May 2006\, the Glyn Bends section of the A5 trunk road was 
 closed to traffic because there was concern regarding the stability of the
  rock cutting\, supported by anchorages at 70° from horizontal.  Many of 
 the original anchorages were at risk of failure due to corrosion because o
 f as installed details.  Following road closure\, it was necessary to re-e
 ngineer the cutting by re-grading the north face to a safe angle that did 
 not require anchorage support\, and re-anchoraging of the south face. \n\n
 This presentation discusses the findings of the investigation of the failu
 res of the original anchorages and the re-engineering of the cutting. The 
 solution adopted was the one with the lowest level of risk\, in terms of c
 ost\, programme and safety issues\n\nThe road was reopened to traffic in J
 uly 2007\n
LOCATION:Library Court Seminar room\, Jesus College
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