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Showing results for tags 'mass source'.
Found 6 results
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Salam, Mass source in ETABS has one option for "include vertical mass", could someone elaborate that, where to include it and where not to include. Regards
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In etabs we define mass source frm there we select from load and then we define differnt loads like dead , live etc my question is that what is use of this "mass souce" we donot apply it in the structue then where we need it?? and which loads are defined here means dead, live and which are not defined?? Thanks
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Hi there I am analysing a building in which i have assigned some negative point loads cause of pull from my equipment loads in live case, when i m running analysis its is giving warning for negative values in mass source ( i have added that case in mass source as this case includes both gravity and pull forces) Is there any way not to delete those pulling loads and remove the warning in my mass source
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I have ETABS model on which mass source is defined from "self and specified mass", though i changed it and defined the mass source from "loads" (Dead Loads with scale factor = 1). after changing the mass source definition there is immense change in stresses M11 & M22 of Strip Footing (modeled as shell on the base level around the column). Which one i should follow?
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Hello everybody... I have 2, 3 querries and hope you people will help me out... 1) Defining MASS SOURCE : there are three option there in Mass source (a) Element Self mass ( Additional Masses © Specified Load Pattrens I am confuse that in which situation which condition i will use. 2) After Running Check Model option i got Areas are too close and Frame overlap warnings
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rana sir in this post http://www.sepakista...-in-etab-model/ u said that your base-shear is equal to about 5% of seismic weight which seems okay with R=5.5 and UBC 2B seismic zone how to check that base shear is equal to 5% of seismic weight? You dont have to worry about the magnitude as far as you satisify the seismic drift limits of UBC which are 0.025 and 0.020 times story height...based on time period of your building....remember to convert your elastic displacement values to inelastic displacement by mulitplying it to 0.7xR after analysis it gives us elastic displacemnt nd we hve to check for inelastic?? and what is R here?
