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SUMMARY:Reinforced concrete half-joint structures - or why playing Tetris 
 is not always good for structural engineers - Michele Mak\, PhD Candidate
DTSTART:20180126T150000Z
DTEND:20180126T160000Z
UID:TALK99532@talks.cam.ac.uk
CONTACT:Karen Mitchell
DESCRIPTION:The deterioration of our existing infrastructure network repre
 sents a significant problem. The costs associated with the repair and main
 tenance of ageing assets are increasing rapidly. Classes of structures suc
 h as reinforced concrete half-joint bridges are particularly critical.\n\n
 A half-joint\, or dapped-end\, is the support end of a structural element 
 where a sudden reduction in depth forms a protruding nib. It is a very com
 mon type of support in precast bridges\, as it simplifies buildability and
  reduces the overall structural depth. However\, half-joints represent com
 plex disturbed regions and their behaviour was not well understood in the 
 past. Moreover\, they are very vulnerable to deterioration due to corrosio
 n of the internal steel reinforcement. Assessing their residual structural
  capacity is very challenging.\n\nThe objective of this project is to deve
 lop more accurate assessment methods for half-joint structures to guide th
 e management of the infrastructure network. The experimental programme foc
 uses on the studying the structural consequences of corrosion and deterior
 ation-induced failure modes in reinforced concrete half-joints. 
LOCATION: Cambridge University Engineering Department\, LT6
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