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What is the influence of (Angle) in the "advance load parameters" ? I tried to change it many times for a given displacement-time history applied in the support but no effect! Would you please help me?

and how about the " Angle" does it mean the angle between the force and the element local access?

Sorry, Do you mean arrival time? If yes, is it going to apply same record with only delayed time, or it will change the function shape(such like amplitude and frequency)?

Thank you but the sap which i have is vesion 10 indeed, I cannt find the 'Advanced load parameters' option. What do you recommend?

Can i apply same displacement time history in the two supports of bridge? (same history in the other support but starts from time td(delayed time)) Or do you have other suggestions? Please help me

Please help me in this regard.

Hi, would you please tell me how to define different acceleration time histories at different supports of a bridge model? I have sap2000 vergion 10. Sap defines only built in ground acceleration, can i: 1.integrate the accelaration twice to get displacement history 2. assign joint...

Hi, Does any one know how to put multi support seismic excitation in Sap2000?