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problem with scaling the base shear

Thread starter CHAKKOUR
Start date Mar 16, 2011

Status: Not open for further replies.

Mar 16, 2011

CHAKKOUR

Civil/Environmental

Hi,
I have an etabs model 9 stories+ 4basements.
I am using the ritz vectors because it is not converging with the eigen vector. However, i have a problem in scaling the base shear. Each time i run the model, i have a different base shear from the spectrum case.
Thanks for the help