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SUMMARY:Soil stabilisation with novel binders - Jega Jegandan
DTSTART:20090529T153000Z
DTEND:20090529T163000Z
UID:TALK17754@talks.cam.ac.uk
CONTACT:Zelda Stuck
DESCRIPTION:Soil stabilisation is an emerging technology in geotechnical a
 nd geo-environmental industry.  With wide range of applications\, this tec
 hnology is becoming one of the most common methods of enhancing or alterin
 g engineering properties of problematic soils. The fundamental principle o
 f the technology is the application of chemical binding agents to the soil
  and mix them mechanically to enhance engineering performance of the origi
 nal soil.\n\nWhile Portland cement and lime are used as conventional binde
 rs\, there is an increasing attention to using alternative materials which
  can deal with technical drawbacks and sustainability issues associated wi
 th those conventional binders. Lime is inefficient in non-pozzolanic soil 
 types whilst Portland cement\, with its significant environmental impacts\
 , also suffers from durability problems in aggressive environments.\n\nThe
  talk will present the results from the research work aimed at incorporati
 ng industrial by-products and novel additives in binder systems and hence 
 improves the sustainability of soil stabilisation technique while ensuring
  adequate performance from these new binders. These are ground granulated 
 blastfurnace slag\, pulverised fuel ash\, cement kiln dust\, reactive magn
 esia and zeolite. A number of model soils representing different typical s
 oil types were used. The binders were applied in both wet and dry forms\, 
 in different compositions and in different dosages. Testing includes physi
 cal properties\, strength\, stiffness\, permeability and microstructural a
 nalyses. \n
LOCATION:Engineering Department - LR3A
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