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SUMMARY:The response of buildings to excavation-induced movements - Kok Hu
 n Goh\, CUED
DTSTART:20100514T153000Z
DTEND:20100514T163000Z
UID:TALK23669@talks.cam.ac.uk
CONTACT:Zelda Stuck
DESCRIPTION:Tunnelling and ground excavation activities cause ground movem
 ents that may affect structures adjacent to the construction. Mair et al (
 1996) proposed a framework for assessing the potential of causing building
  damage using deflection ratios and horizontal strains of the greenfield. 
 Potts and Addenbrooke (1997) suggested the modification factor approach to
  include the influence of building stiffness on tunnelling-induced movemen
 ts. Can the response of buildings adjacent to excavations be quantified in
  a similar way?\n\nIn this presentation\, some findings from the research 
 study on the influence and impact of deep excavations on adjacent building
 s will be presented.\nUsing finite element studies\, a method to assess th
 e influence of building stiffness in deep excavations is suggested. This i
 nvolves the estimate of actual building stiffness and the use of design gu
 idance developed from the finite element models. Finally\, the analysed re
 sponse of two buildings in Singapore under the influence of excavation and
  tunnelling will be presented to support the findings from the numerical s
 tudies.\n
LOCATION:Engineering Department - Lecture Room - LR6
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