Carrier system type selection

[isbandam]

Hello, I am hesitant about the ductility level chosen in the attached project. Should the system be chosen as a mixed system because it contains curtains? May I ask for your comments?

You do not have permission to view link Log in or register now.

 

[unver]

Hello You can't choose Limited. (It should be screenless.) Mixed You should choose A24 in both directions. Unver ÖZCAN

 

[isbandam]

Hello You cannot select Limited. (Must have no curtains.) Karma You must choose A24 in both directions. Ünver ÖZCAN

Since the system does not meet the tipping condition, the program redirects to the restricted system in the report. item 4.3.4.6 I guess you can choose A33 according to your data, but this option is disabled in the analysis wizard.

 

[YasinTezel]

Hello, You have to use one of the A23 and A24 systems with the Mixed ductility level in webbed rib carrier systems. (See Article 4.3.4.3.) but if you can't, your project can be continued with A31 in cases where Bys>=7 and DTS=3 or 4 (R=4, D=2.5) (4.3.4.6 second paragraph) In threaded upholstered (Rib) carrier systems DTS =3 and DTS 4, A31 carrier system can be used in case there is no curtain. As of version 10.16, regulations and additional controls have been introduced regarding the shear overturning moment controls. In mixed systems, if you do not meet the 0.75Mo condition, information is given as an error.

 

[isbandam]

Thanks.