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SUMMARY:Occupant satisfaction and indoor environmental quality\; Inefficie
 ncy in structural design - Jiantao Weng and Cyrille Dunant
DTSTART:20190116T123000Z
DTEND:20190116T133000Z
UID:TALK116119@talks.cam.ac.uk
CONTACT:Tim Forman
DESCRIPTION:Talk 1\n\nDevelopment of comprehensive model of indoor environ
 ment quality based on occupant's satisfaction in green public buildings in
  China\n\nBy the end of 2017\, number of green building projects in China 
 has reached 10\,927\, more than 1 billion m2 total. Zhejiang is one of the
  most developed provinces in China. In this study\, typical green public b
 uildings in Zhejiang are selected. The indoor environmental parameters of 
 sample buildings were measured and occupant satisfaction was investigated.
  According to the measured results\, although the rates of meeting the sta
 ndard of indoor environmental parameters measured were relatively low\, mo
 re than 75% of occupants expressed satisfaction. Green buildings had an ad
 vantage over non-green buildings. Therefore\, there is a certain gap betwe
 en occupant satisfaction and the rate of meeting the standard of indoor en
 vironmental parameters\, which shows that occupant's requirements on indoo
 r environmental parameters are not as strict as the standards. Meanwhile\,
  the results show that occupants in different types of buildings have diff
 erent priorities. Finally\, based on IEQ parameters\, prediction model of 
 occupant satisfaction was established. It can help improve indoor environm
 ent from the perspective of occupant satisfaction. \n\nJiantao Weng is a v
 isiting PhD student from the Department of Architecture in Zhejiang Univer
 sity.\n\n\nTalk 2\n\nStructural design in practice: what drives inefficien
 cy?\n\nHow important is material efficiency in structural design practice?
  How optimised are the designs? In this talk\, I will show how you can rec
 onstruct the price of a steel beam\, from the material to the erection. Us
 ing this pricing model and carbon footprint estimations\, it is possible t
 o establish the trade-offs between costs and CO2  made by structural engin
 eers.\n\nThen\, using an automated design tool which determines the optima
 l Eurocode-3 compliant design from loads and geometry\, we apply a Monte-C
 arlo method to find how expensive and how CO2 intensive real buildings dra
 wn from a database could be. This reveals the potential for costs and mate
 rials savings\, the optimisation targets of engineers\, and key aspects of
  design affecting material efficiency. \n\nWe estimate that nearly half th
 e CO2 footprint in a typical building frame could be avoided\, which would
  also save 10% of the costs.\n\n
LOCATION:Dept. of Engineering Trumpington Street\, Baker Building - Oatley
  1 Meeting Room
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