RE: Cassion Steel Casing check

I would say "at rest pressure".  How can a uniformly loaded circular casing deflect to develop active earth pressure?

 

Bill Sherman

CH2M HILL / DEN

720-286-2792

 

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From: Garner, Robert [mailto:rgarner@moffattnichol.com]
Sent: Thursday, April 09, 2009 2:51 PM
To: seaint@seaint.org
Subject: RE: Cassion Steel Casing check

Active only.

 

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From: Dilip Patel [mailto:dp_enco@yahoo.com]
Sent: Thursday, April 09, 2009 1:10 PM
To: seaint@seaint.org
Subject: Cassion Steel Casing check

 

Do you check casing wall for hoop stress under active earth pressure only or you also check under passive earth pressure ?
Caisson is considered similar to tank under pressure, not as a column or sheet pile design.
Any thoughts ?
Thanks.