I am a geologist and need some engineering assistance regarding granular soil and their depth. I know fine grained soils (clay) becomes hard (increased consistency) with an increase in depth due to a process called gravitational compaction. What I am interested in knowing is there something that tells me what happens to granular soil with an increase in depth. I know I reside in a karst area (Florida) so I don't need to know that the effects of karst on soil will cause the granular soil to become loose. What I am getting at is, do granular soils, in the absence of karstic effects, become more dense/compact with an increase in depth. Is there a technical paper that would support this? The purpose of this is for potential litigation events that are possible. I am not an engineer, I am a geologist. It would appear sensible that granular soils would become more dense/compact with an increase in depth due to the load of the overlying soil but like all things in litigation, if it's not written down, it doesn't exist. Also, do the shape of the granular particles have an effect on the compaction (angular v. rounded)?
Any information you may provide is appreciated.
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