Quote Originally Posted by pascal.bogdan View Post
Main mode – The number of the main mode for determining the sign of the given combination, so that (as you can see in the attached picture) in the seismic combination on Y direction you will have some braces tensioned and the other ones working in compression.
Thanks Pascal, but i m not understand. Cuz romanich and you say two very different things, i m confused.
Main mode number is max comb. mode number or tension - compression sign? if tension, seismic x main mode=1, if compression, seismic y main mode=2, really??

please explain this either of you??

regards..

falconado_turkey
ASC