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solidification of leachates and strength of material

solidification of leachates and strength of material

solidification of leachates and strength of material

(OP)
Does anyone know of any research or information on the correlation between solidification of contaminated soil and the strength of the soil using quick undrained triaxials, ucs, FWD, cone penetration, NAT tests, CBR, plate bearing, clegg hammer etc

RE: solidification of leachates and strength of material

Try doing a web search for CASSST. This is a UK based group of interested parties and deals with the sabilisation and solidifcation of contaminated land. Parties involved with this are Environment Agency, UK Universities and Research Departments as well as leading private companies. Also go to www.startnet.eng.cam.ac.uk and you should be able to get lost of this info under the heading of Starnet

RE: solidification of leachates and strength of material

You are taking of dangerous issue here; the EA would never allow you to even think of this; would about contaminating the testing apparatus? the researcher?, etc.

The issue here would be to determine the extent of contamination, and recommend the safe disposal of the contaminated soil.

RE: solidification of leachates and strength of material

I have done several soil/sludge stabilization projects and could provide you with more information if needed (please provide more detail).  

This sound similar to a project where we stabilized some contaminated steam sludge (hazardous) so that we could place it in a RCRA lined landfill.  I've also done some paper mill sludge, residual soft soil road base and hazardous waste stabilization.  I've used several additives (kiln slag, portland cement, fly ash and lime).  As with most cases, cost and the proper additive is generally determined be the availability of the additive.

Point to note!!!  In almost all of my applications, we were only trying to achieve minimal soil properties so that the material could be handled and/or self-supporting.  If you are trying to achieve usable geotechnical properties, you are probably not choosing the most cost effective solution (ie.  soil/sludge stabilization is expensive).

Respond if you care for more information.

Good luck, these projects tend to be messy.

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