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  1. mohamed abdel aziz

    EN 1993-1-1 Shear Buckling for web requirement

    thanks guys for your answers the reason I thought it was only related to rested beams is that when I referred to 1993-1-1 I found the following diagrams all showing that arrow coming upwards as shown at the support and also the table only mentions cases of rigid end post and non rigid end post...
  2. mohamed abdel aziz

    EN 1993-1-1 Shear Buckling for web requirement

    hello everyone, in EN1993-1-1 6.2.6 Shear there is a requirement to check shear buckling as per 1995-1-1 section 5 as follows my understanding is this requirement is applicable in case of a beam reseted on a post for example as this is where shear buckling might occur but not for clip angle...
  3. mohamed abdel aziz

    EN 1993 calculating Alpha_cr est for multi-storey buildings

    Many thanks HTURKAK for taking the time to help with this I really appreciate it
  4. mohamed abdel aziz

    EN 1993 calculating Alpha_cr est for multi-storey buildings

    hello everyone, in EN 1993-1-1 5.2.1 effects of deformed geometry on the structure it is stated that you can calculate alpha_cr as per expression 5.2 provided that axial compression in beams or rafters are not significant and it doesn't state how to calculate alpha_cr when axial compression is...
  5. mohamed abdel aziz

    EN1993 & EN1998 2nd order effects for seismic

    hello everyone, in EN1993 5.2.2 structural stability of frames we are allowed to run first order analysis and amplify the horizontal loads if alpha_cr is <10 and >3 my question is do we also amplify seismic forces in that case or not considering that there is another condition for amplifying...
  6. mohamed abdel aziz

    EN 1993 which verification formula to use stress or resistance?

    thanks HTURKAK I appreciate your help but actually I was wondering what are the conditions under which the verifications from 6.2.3 to 6.2.10 cannot be performed and I have to resort to VON MISES thanks again
  7. mohamed abdel aziz

    EN 1993 which verification formula to use stress or resistance?

    hello everyone in eurocode EN1993 6.2 Resistance of cross-sections 6.2.1(5) it states that: NOTE The verification according to (5) can be conservative as it excludes partial plastic stress distribution, which is permitted in elastic design. Therefore it should only be performed where the...

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