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Soil's Rate of Subsidence

Soil's Rate of Subsidence

Soil's Rate of Subsidence

(OP)
If I'm digging a shallow trench for some minor construction, and then refill it with the excavated soil, how can I determine the rate at which that soil will settle?  

The trench will only be a few feet deep and well above the water table.  In addition, there will be no load placed on top of the fill, so I don't think the equations for 1 dimensional soil consolidation apply.   

RE: Soil's Rate of Subsidence

Please don't post the same question in more than one forum...it's very bad form that can cause your Eng-Tips privileges to be revoked.

Check out my response in the other thread...

Thread158-74066



Please see FAQ731-376  by VPL for tips on how to make the best use of Eng-Tips Fora.

RE: Soil's Rate of Subsidence

CMichaelson:  If shallow (only a couple of feet) and no loads to be placed above it - why worry about the rate?  Just make sure your "lumps" are broken down and give it some tamping . . .

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