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dynamic behavior of long span steel structure roof !!!!

dynamic behavior of long span steel structure roof !!!!

(OP)
hi guys, i just wanted to ask you about the dynamic behavior of long span steel structure roof, in fact am studying one with 110 m span , my problem is that am having always the 1 mode with Z direction and a 34% of mass participation ! could anyone give us an idea about this kind of structures ????? and if it's OK to have such a behavior ? FYI, the roof is almost circular in shape supported by 6 columns !
thanks in advance !

RE: dynamic behavior of long span steel structure roof !!!!

Did you just pick a forum at random? I don't know how your structure relates to earthwork.

RE: dynamic behavior of long span steel structure roof !!!!

Hokie, it's eventually supported on dirt.

RE: dynamic behavior of long span steel structure roof !!!!

(OP)
ha ha ha , well thanks guys , i think i just fell from Mars , i took earthworks for earthquake he he he ! thanks for showing up

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