Use of geogrid in tank foundations

[masihal]

For a tank (Dia 80metre) foundation project
We are proposing a geogrid layer on a stone blanket with sand layer on top of the geogrid. Should it be vice versa?

 

[Focht3]

We need a lot more information in order to answer your question!



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

 

[masihal]

For a 80 m dia oil tank, we are proposing a sand pad foundation with stone columns.

we are proposing a layer of geogrid in the sand pad foundation. what should be the layers in which the geogrid should be laid. i.e sand or aggergate.

should we lay the geogrid on the aggregate base and top up with sand layer or vice versa for better results.