Hello ,
I had applied the loading for response spectrum analysis as per IS 1893 2016 ..i received some warnings regarding the eigen solutions please give me some guidance for response spectrum analysis .i have done the right procedure as per new code IS1893-2016 or not i am little bit confused so please guide me . and also i want to know the reason behind the warnings .
the staad file is attached ..
Thank you
For DL + LL+EQ (with stiffness Factor) 18-12-18.dgn
Dear User,
You have attached a .dgn file. Please send us the .std file for investigation.
ohk sorry my mistake
PFA of .std file
For DL + LL+EQ (with stiffness Factor) 18-12-18.std
If you are providing a Mass reference load case, you need to define loads in the three orthogonal direction which will be used to form a mass matrix. If you have a mass reference load case, the program will use this reference load case to form mass matrix to be used form a dynamic analysis and seismic weight. You may skip the definition of seismic weight in the model. If you have defined seismic weight, this weight will be used in the analysis. I have modified the mass reference load case. There are two PERFORM ANALYSIS command. I have kept the required one.
Please refer to the attached revised model.8358.For DL + LL+EQ (with stiffness Factor) 18-12-18.std
ohk Thank you