I tested several non-traditional soil stabilizers (e.g. ligninsulfonate, biopolymers) with two different concentrations. The standard Proctor test showed that the additives reduced the OMC and increased the MDD of the soil. Further, the data indicated that an increase in concentration reduced and increased the MDD, respectively, decreased and increased the OMC. How can this behaviour be explained?
The increase in density is expected since u adding new material to the soil and that material filled the pores. Water was reduced because this material u added reduced somehow the affinity of the soil water. For example if the soil has clay, something is going pin on mice-scale. for example the available surface area was decreased therefore a decrease in action exchange capacity is expected. this less affinity for water.
This simply means that they are inversely proportional to each other.
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