How to Model Picked Up column in Etabs 1

[aqibusman]

I have a framing system of 8 story building. In which two columns are starting from 2nd floor. i have defined the column from beam and i assume that the all 6 story load reaction will be transfered to 2nd story beam with a heavy concentrated load. But i m not getting the reaction. ?

 

[WillisV]

The remainder of the frame is most likely acting as a Vierendeel truss and picking up the load. You will only see the full concentrated load if all of the beams are pinned on both ends.

 

[slickdeals]

WillisV,
It is interesting that you mention a vierendeel action. I am curious to know from the OP if it is a transfer beam with flat slab all around it or a framed system with beams and columns.

Only when you mentioned vierendeel, did the flashbulb go off. I had never thought of beam-column frames acting as a vierendeel.

 

[aqibusman]

my framing is beam column type.

I have to picked up the coulumn due to drive way width at lower floors.