Рroportioning of a steel column cross-section

When setting some construction materials, it displays a message about the incompatibility of stiffness (I used a round tube) withconstruction materials. As a result it is impossible to proportion asection. How to proportion a round pipe cross-section for a column in LIRA?

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SZett Visitor Posts: 6 Points: 3 Joined: Apr 26, 2016	#1 People who like this:0 Yes/0 No May 4, 2017 10:25:04 When setting some construction materials, it displays a message about the incompatibility of stiffness (I used a round tube) with construction materials. As a result it is impossible to proportion a section. How to proportion a round pipe cross-section for a column in LIRA?

alekstish Guru Posts: 570 Points: 1006 Joined: May 13, 2010	#2 People who like this:0 Yes/0 No May 4, 2017 11:18:50 Hello, SZett! Which version of the program do you work with? Attach the task file for clarity. Sincerely, Alexey Tishchenko

SZett Visitor Posts: 6 Points: 3 Joined: Apr 26, 2016	#3 People who like this:0 Yes/0 No May 4, 2017 16:14:37 lira 2016 R3 Attached Files 1.lir (73.95 Kb) Edited: SZett - May 5, 2017 11:18:37

alekstish

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Posts: 570 Points: 1006 Joined: May 13, 2010

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May 5, 2017 12:03:47

SZett, you have to create a material compatible with the rolled pipes.
For this you need:
1) Set the pipe stiffness ("Pipe 325 x 6") as a a current or mark the elements with the given rigidity in the scheme, see the picture;
2) "Add" a new material;
3) Sel ect the required one fr om the list of steels;
4) Destine the created material to the elements of the columns.

Sincerely, Alexey Tishchenko

SZett Visitor Posts: 6 Points: 3 Joined: Apr 26, 2016	#5 People who like this:0 Yes/0 No May 5, 2017 12:35:44 alekstish, Thank you very much for the response.

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