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you can idealizing the retaining wall as cantilever beam, it means you look it per meter or per foot if the retaining wall is not symmetrical, you can assign it in ETABS too you can also assign the soil pressure and water pressure as distributed load

I tried running analyze seismic load in my model with linear time history i tried running it in ETABS 2013 and ETABS 2016 then i compared it i just checked the base reaction and there is a little bit difference in that result, i mean the values a little bit different but not too far is that...

i designed 8 story rigid frame building using static equivalent seismic load as lateral load when i did linear time history analysis as lateral load (SE not used anymore), some of its members are overstress. somebody told me that SE is always larger than THA and it's impossible that my members...

i designed 8 story rigid frame building using static equivalent seismic load as lateral load when i did linear time history analysis as lateral load (SE not used anymore), some of its members are overstress. somebody told me that SE is always larger than THA and it's impossible that my members...

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solved

I've modeled a simple 2 DOF structure in ETABS then manually computed the modal analysis I used mass story and story stiffness on ETABS data table but when i compared my manual computation eigenvalue with ETABS eigenvalue, they both not the same i'm really sure that my manual calculation is...

I've modeled a simple 2 DOF structure in ETABS then manually computed the modal analysis I used mass story and story stiffness on ETABS data table but when i compared my manual computation eigenvalue with ETABS eigenvalue, they both not the same i'm really sure that my manual calculation is...