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Earthquake Modeling

Earthquake Modeling

Earthquake Modeling

(OP)
In a building which has some levels below grade the ultimate level of footings would be, of course, at the basment level.  The soil around the basment would have, potentially, a large impact on providing restaint against lateral earthquake movement.  I'm wondering how others have modelled the horizontal restaint of the soil.  Horizontal springs?

RE: Earthquake Modeling

Hi GarthJ

Yes soil springs can be assigned to represent the passive resistance of soil.

Please review your assumption, is it really required bcoz, lot of basement retaining walls will be there to resist lateral shear.

Cheers

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