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SUMMARY:Optimization and risk assessment of tall reinforced concrete build
 ings  - Prof M T R Jayasinghe (Thishan Jayasinghe)\, Department of Civil E
 ngineering of University of Moratuwa\, Sri Lanka
DTSTART:20170713T130000Z
DTEND:20170713T140000Z
UID:TALK73791@talks.cam.ac.uk
CONTACT:Karen Mitchell
DESCRIPTION:When the structural design of individual members such as slabs
 \, beams\, columns\, shear walls\, foundations\, etc. of a tall building i
 s concerned\, the design methodology hardly differ with the number of floo
 rs\; hence the individual members of a tall building is designed in the sa
 me way as for a low rise or medium rise building.  However\, the failure o
 f some of the individual members of a tall building could  be of disastrou
 s consequences and hence the design engineer needs to have a thorough unde
 rstanding of the risks involved in the optimization of the individual memb
 ers using various design alternatives.\n\nThis presentation is intended to
  address these issues with practical examples taken from actual building p
 rojects carried out in Sri Lanka with the number of stories ranging from 3
 0 to 67 with structural forms selected to suit various peculiarities neede
 d due to architectural concepts.  The examples will cover hotel and apartm
 ent buildings that will pose many issues mainly due to the heavy weight pa
 rtitions still used mainly to fulfil the client's preferences.  In these p
 rojects\, the presenter has been either the design engineer or the design 
 checker.  An approach that can be used for design optimization while minim
 izing the risks associated with the provision of very cost effective and c
 onstructable solutions for tall building will be discussed highlighting so
 me important concepts from the first principles. \n\nBiography of Prof M T
  R Jayasinghe (Thishan Jayasinghe):\n\nThe presenter is a Professor at the
  Department of Civil Engineering of University of Moratuwa\, Sri Lanka.  H
 e obtained his B.Sc. Engineering degree with first class honours from the 
 University of Moratuwa in 1987 and then read for Ph.D. at Engineering Depa
 rtment of Cambridge University from October 1988 to December 1991.  His Ph
 .D. was supervised by Prof Chris Burgoyne and the title of the thesis is "
 Rationalization of prestressed concrete spine beam design philosophy for a
 n expert system".  In March 1992\, he returned to Sri Lanka and with the s
 tart of the building boom in mid-1990s\, initiated research and studies in
 to the design methods of tall buildings.  These finally led to a comprehen
 sive course on Tall Building design and since 1996\, he has trained more t
 han 500 practising engineers on the mathematical modelling and design of t
 all buildings with 3D FEM and design optimization.  He has also taught mor
 e than 1400 undergraduates on analysis and design of tall buildings with a
  fourth-year optional subject entitled "Design of Large Structures" over t
 he last 12 years.  His other research interests are in the areas of Optimi
 zation of highway bridge designs\, Cost effective structures with alternat
 ive structural forms and systems with minimum carbon footprint and usage o
 f waste as building materials\, Climate responsive designs with special re
 ference to tropical climates and impending climate change\, etc.  \n\n
LOCATION:Cambridge University Engineering Department\, Dyson Building Teac
 hing Room
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