MCV and its correlation with CBR I think has a lot to offer to the pavement design and construction. How can this be conducted for an admixture stabilized soil matrix? Does it have a relationship with undrained shear strength, Cu of Soils?
It is a quick and simple method of determining the moisture condition of a soil (i.e. is it too wet, too dry or just right - as Goldilocks might say) for earthworks compaction. There is a lot published on this - much of it is on my profile either for direct download or, due to copyright restrictions, available on direct request.
You can determine a relation with many parameters but beware that strength and stiffness parameters, and indices can remain high when the moisture content is low (and the air voids remains high) leaving the residual potential for inundation collapse and/or undesirable settlement.
Others have published on the use of the MCV with conditioned and stabilised soils.
A literature search will bring these papers to you.
Dear, the moisture content is a vital parameter for obtaining the required density and shear strength of subgrade soil or embankment. The target optimum moisture content and a deviation of dry of optimum and wet of optimum can greatly influance the strength, ability to compact and durability.
@Saad, I was specific in stating what I wanted.... The moisture condition value is not particularly the moisture content... Always remember this. Thanks anyways
Dear
If you are discussing the CBR and other strength parameters, then it is the moisture content, otherwise i think you are discussing it from the agricultural point of view.
Afterall, i am trying to give you some support which you should remember.
@Saad, the question was specifically about the Moisture Condition Value (MCV) not moisture content or CBR. If you study the answers from Per Lindh and myself and follow the suggestions therein you can find out more about the MCV. Certainly it is nothing to do with agriculture or agricultural soils (topsoil).
@Saad, we are but doing an intellectual exercise. Do not think I have no idea of the question I brought here for discussions through which we expand our knowledge horizon. Please I advice that you go back to your shelf, pick up a text and read the procedures involved in an MCV test. You will agree with me that it's not about OMC. On the semilog graph of Change in Penetration(achieved at varying blows in a Special order; 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64.......blows) against 10Log (B) = MCV, the MCV at 5mm change in Penetration is observed. This value is correlated with a lower boundary of 8.5 which satisfies a soil material for use as backfill material or for Subgrade purposes. Like Mike said its a special field/laboratory examination and not too common if I must say. Thank you everyone for your invaluable contributions. Best wishes.
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