Settlement of organic silt
Settlement of organic silt
(OP)
All of the equations I have come across for settlement calculations differentiate between cohesive and cohesionless materials.
How do you calculate the settlement of organic silts? (ML/ OLs)? It is all weight of hammer blow count material (lake bottom), and has low cohesive values.
Do you just assume cohesive material, and calculcate primary and secondary settlement?
THanks
How do you calculate the settlement of organic silts? (ML/ OLs)? It is all weight of hammer blow count material (lake bottom), and has low cohesive values.
Do you just assume cohesive material, and calculcate primary and secondary settlement?
THanks





RE: Settlement of organic silt
Step 2: Do an odometer test with time readings that extend beyond the "end of primary" (i.e., so you actually have values of C-alpha).
Step 3: Interpret the e log p for Pp, Cc and Cr
Step 4: Do a settlement calculation for total consolidation settlement and a compression calculation for secondary settlement (this depends on a time-frame assessment for the project (i.e., how much compression will occur during the 20 years after construction).
In the absence of consolidation data, values for C-alpha are available from natural moisture content data, but first make sure that you actually have an OL or OH!
f-d
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