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Subtidal Slope Stability (Bay Mud)

Subtidal Slope Stability (Bay Mud)

Subtidal Slope Stability (Bay Mud)

After dredging contaminated sediments, a cap is to be placed to contained contaminated material left in place.  Parts of the area are at slopes up to 5:1.  The cap will comprise bay mud from a nearby area that will be placed with a clamshell and leveled (but not compacted).  THe material is San Francisco Young Bay Mud with high clay and silt content.  

Has anyone experience with stable slope limits for a material of this type?

RE: Subtidal Slope Stability (Bay Mud)

Based on the description you have provided, no.  And since it's going to be placed in an uncontrolled manner ("... placed with a clamshell and leveled (but not compacted.)...") I'm not sure that you will find any references.

Please see FAQ731-376 for great suggestions on how to make the best use of Eng-Tips Fora.  See FAQ158-922 for recommendations regarding the question, "How Do You Evaluate Fill Settlement Beneath Structures?"

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