3
Geo/eng/dirt folks, any ideas on a cause for this?
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2nd 12" lift of ag base, first lift had very slight pumping, obviously this is excessive pumping. Met compaction and moisture spec, but of course compaction ≠load bearing capacity. This section is right over a large diameter pipe, other spots on the lift shot perfect and felt normal.
Excessive pore water pressure? Liquefaction from the vibratory sheepsfoot roller? Air/waterpockets?
(I'm not the dirt guy, I'm 3rd party just trying to understand what I'm looking at here)
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