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SUMMARY:Properties and applications of sustainable reactive magnesia cemen
 ts - Martin Liska\, CUED
DTSTART:20080307T163000Z
DTEND:20080307T173000Z
UID:TALK10016@talks.cam.ac.uk
CONTACT:Zelda Stuck
DESCRIPTION:The production of Portland cement (PC) is one of the most ener
 gy intense process which is responsible for up to 10% of all anthropogenic
  carbon dioxide emissions. Furthermore\, PC suffers from a number of durab
 ility problems. Hence there is an on-going search to identify more sustain
 able cements with significantly reduced environmental impactwhile complyin
 g with \nstringent performance requirements.\n \nMagnesia cements are a vi
 able response to the need addressed above. They are blends of magnesia (Mg
 O)\, pozzolan (can be waste/by-product based) and PC.\nThe work has shown 
 that certain formulations gained significant strength by absorbing carbon 
 dioxide outperforming PC. Not only can they be potentially carbon neutral\
 , but they were also shown to be markedly more resistant to aggressive che
 mical attack than\nPC. Commercial trials were conducted and full-scale con
 struction products successfully manufactured using magnesia cements with a
  range of natural as well as secondary aggregates.\n
LOCATION:Engineering Department - LR6
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