Genie User Manual Volume 4, App C4 EUROCODE
Contents
1. Capacity Manager Cel Cancel Define the global parameters Code Check am oc StS ie pols oe ee ea Include W Mermbers General Kd ember EN 1993 1 1 National Annex Standard Safety factors Partial factor MO i Partial factor Ml i Interaction factors Method 1 Common frame check options Performance Memoary W Compute loads when needec i Purge position results keep only worst Options National Annex Select Standard to use the neutral version of EN 1993 1 1 or select a preferred National Annex or select from list Norwegian Danish normal or sticter control class When selecting a National Annex the dialogs will be updated to reflect the preferred settings defined in the annex Safety factors Define the partial factors Ymo and yy will automatically update dependant of National Annex DET NORSKE VERITAS SOFTWARE SESAM GeniE User Manual Vol IV App C4 Version 5 3 3 15 March 2011 Interaction factors Interaction factors for use in equations 6 61 and 6 62 may be calculated according to method Annex A or method 2 Annex B Select method to be used default selection is method 1 Interaction Factors AE aean Method 1 Method 2 h Compute loads when To reduce use of database memory you can compute needed temporary loads during codecheck execution These loads will be deleted immediately when no longer needed This option can affect performance on redesign as l2. Mcr chiLT MbRd Cmy Cmz CmLT kyy kyz kzy kzz 10 15 March 2011 Design value of moment about local y axis strong axis Design value of moment about local z axis weak axis Design value of torsional moment Design value of shear force in local y direction Design value of shear force in local z direction System length for buckling about local y axis System length for buckling about local z axis Length of member length of the capacity model Elastic flexural buckling force about local y axis Elastic flexural buckling force about local z axis Design value of the resistance to tension force Cross section classification flange Cross section classification web Design resistance to nornal force for uniform compression Design resistance for bending about local y axis Design resistance for bending about local z axis The imperfection factor according to buckling curve for buckling about local y axis The imperfection factor according to buckling curve for buckling about local z axis Reduction factor for buckling resistance about local y axis Reduction factor for buckling resistance about local z axis Design buckling resistance of a compression member Modification factor for moment distribution Elastic critical moment for lateral torsional buckling Reduction factor for lateral torsional buckling Design buckling resistance moment Equivalent uniform moment factor bending about local y axis Equivalent uniform moment factor be
3. Buckling resistance of members 6 3 1 Uniform members in compression DET NORSKE VERITAS SOFTWARE SESAM GeniE User Manual Vol IV App C4 Version 5 3 5 15 March 2011 6 3 1 1 Buckling resistance 6 3 1 2 Buckling curves 5 6 3 1 4 Slenderness for torsional and torsional flexural buckling 6 3 2 Uniform members in bending 6 3 2 1 Buckling resistance 6 3 2 2 Lateral torsional buckling curves General case 6 6 3 2 3 Lateral torsional buckling curves for rolled sections or equivalent welded sections 6 3 3 Uniform members in bending and axial compression Annex A Method 1 Interaction factors kj for interaction formula in 6 3 3 Table A 1 Interaction factors Table A 2 Equivalent uniform moment factors 7 Annex B Method 2 Interaction factors kj for interaction formula in 6 3 3 Table B 1 Interaction factors k for members not susceptible to torsional deformations Table B 2 Interaction factors k for members susceptible to torsional deformations Table B 3 Equivalent uniform moment factors Notes to the table above 1 2 3 4 5 The classification of flanges and web s are done for axial compression and bending about strong and weak axes for pure axial and bending moment actions respectively The capacities for a cross section with the largest part classification in class 4 is done according to the classification corresponding to the load action in question See section 6 2 9 3 item 2 Pipe
4. libraries are also set to status Unknown eas Se t Create Code Check Run Definition of member specific parameters Capacity Manager ei Code Check Cancel Include V Members Loadcases General Member Eee about y axis Buckling length Member Length it Bucking length Effective length factor f 7 w In acode check the product of Buckling Moment factor 7 o length and effective length factor is used Buckling curve Automatic about z axis V y z symmetry Buckling length m Effective length factor Moment factor Buckling curve Stifener Spacing 9 None m Lateral torsional buckling Factor C1 fi Factor ke fi Curve General y a4 gt Rolled or 2 equiv welded B 0 75 Length between lateral supports Top flange None l m Bottom Flange None v m Section classification Automatic v Interaction factor n nied Automatic v Hollow and welded bos specific V Hot finished V Thick welds DET NORSKE VERITAS SOFTWARE SESAM GeniE User Manual Vol IV App C4 Version 5 3 7 15 March 2011 Options Buckling length Member Length use the geometric length of the member capacity model Manual specify the length to be used Member Length Manual Member Length Effective length factor Specify the factor to be used or select From Structure the value assigned to the geometric beam concept is used ref Edit Beams MS Edit Beams Move End Translate Buckli
5. DET NORSKE VERITAS SOFTWARE SESAM GeniE User Manual Vol IV App C4 Version 5 3 1 15 March 2011 GeniE User Manual Code checking of beams Appendix C4 Implementation of EUROCODE Table of Contents 1 IMPLEMENTATION OF EUROCODE 3 issccctecciscecsssessocceccectnnctbeceds scgsbondssucsensccssotadebysvagnececsontessscansecssocecstecosseese 1 1 REVISIONS SUPPORTE D oiar AEE EAE sae EEE EEO cs edad Eatin tna EAE EAE AEE beaut doee ipsa draststssin a eA 1 2 NOMENCLATURE EUROCODE ea icsitous rescore E EEE OE EEEE E E ca ede EEEE EE TEN 1 2 1 Member check EUROCODE 3 DET NORSKE VERITAS SOFTWARE SESAM GeniE User Manual Vol IV App C4 Version 5 3 2 15 March 2011 1 IMPLEMENTATION OF EUROCODE 3 The implementation of Eurocode 3 EN 1993 1 1 is according to Eurocode 3 Design of steel structures EN 1993 Part 1 1 General rules and rules for buildings 2005 1 1 Revisions supported The implementation is according to the revision from 2005 It is also an option to select the preferences according to the Norwegian National Annex 2006 The check covers cross section and buckling resistance check of isolated members Select EN 1993 1 1 from the Create Code Check Run P EIEEE dialog Capacity Manager Cot Code Check ANES ERs v Cancel Include V Members N Loadcases General Member Available LoadCases Included LoadCases Name DesignCondition Add gt Name DesignCondition L Create Code Check Run
6. ication manually give the class automatic classification elastic automatic classification but limited to 3 or 4 Automatic able B1 Table B2 Hollow and welded box Select hot finished vs cold formed and thick welds vs generally specific with respect to automatic definition of buckling curves see Table 6 2 DET NORSKE VERITAS SOFTWARE SESAM GeniE Version 5 3 9 User Manual Vol IV App C4 15 March 2011 1 2 Nomenclature EUROCODE 3 1 2 1 Member check EUROCODE 3 The print of all available results inclusive intermediate data from the member check will report the following data Member Capacity model name name of Beam s or part of beam representing the member Loadcase Name of load case combination under consideration Position Relative position along member longitudinal axis start 0 end 1 Status Status regarding outcome of code check OK or Failed UfTot Value of governing usage factor Formula Reference to formula check type causing the governing usage factor SubCheck Which check causes this result here Eurocode EN 1993 1 1 member check GeomCheck Status regarding any violation of geometric limitations ufEuler Usage factor equal ratio for axial compression Euler capacity uf Axial Usage factor equal ratio for axial load design resistance for axial loading ufTorsion Usage factor due to torsion ufShearz Usage factor due to shear in local z direction ufSheary Usage factor due to shear in
7. local y direction ufXSection Cross section usage factor according to section 6 2 9 and 6 2 10 uf646 Usage factor according to equation 6 46 uf655 Usage factor according to equation 6 55 uf661 Usage factor according to equation 6 61 uf661ax Axial contribution to usage factor according to equation 6 61 uf661mo Moment contribution to usage factor according to equation 6 61 uf661my Moment contribution about local y axis to usage factor according to equation 6 61 uf661mz Moment contribution about local z axis to usage factor according to equation 6 61 uf662 Usage factor according to equation 6 62 uf662ax Axial contribution to usage factor according to equation 6 62 uf662mo Moment contribution to usage factor according to equation 6 62 uf662my Moment contribution about local y axis to usage factor according to equation 6 62 uf662mz Moment contribution about local z axis to usage factor according to equation 6 62 sldComp slenderness ratio beam in compression relpos Relative position along member longitudinal axis start 0 end 1 fy Yield strength E Young s modulus of elasticity gammaM0O Partial factor MO gammaM1 Partial factor M1 NEd Design value of axial force positive when tension DET NORSKE VERITAS SOFTWARE SESAM GeniE User Manual Vol IV App C4 Version 5 3 MyEd MzEd TEd VyEd VzEd KLy KLz L Ncry Nerz NtRd classF classW NcRd MycRd MzcRd alphay alphaz chiy chiz NbRd C1
8. nding about local z axis Equivalent uniform moment factor lateral torsional bending Interaction factor kyy calculated based on method 1 or method 2 Interaction factor kyz calculated based on method 1 or method 2 Interaction factor kzy calculated based on method 1 or method 2 Interaction factor kzz calculated based on method 1 or method 2
9. ng Factors Buckling factors in beam local system ky 0 8 kz OS Remove buckling factor from selection cred oo _ The From Structure alternative is only accepted in cases with one to one mapping between modelled beam and member Else factor of 1 0 will be used Moment factor Specify the value to be used or select rule based calculation according to the standard Buckling curve ENTI53 11 Manual ahaut 7 Axis woe Shinarnetris Buckling curve Specify the imperfection factor a to be used or select between the options Curves a a0 b c d or Automatic selection of curve according to Table 6 2 Selection of buckling curve for cross section Stiffener spacing Use None for no web stiffeners or specify the length between stiffeners DET NORSKE VERITAS SOFTWARE SESAM GeniE User Manual Vol IV App C4 Version 5 3 8 15 March 2011 Lateral torsional buckling Specify the factors C1 and kc for lateral torsional buckling or select rule based calculation according to the standard The alternative for calculating y r based on buckling curve for lateral torsional buckling must also be selected Curve C General na D4 Rolled or i 9 equiv welded P 075 Note that automatic calculation of C1 only supports simple linear moment distribution Length between lateral Specify the length between lateral supports of top and bottom flange supports Section classification Select how to handle the cross section classif
10. oads must be recalculated locally every time you change member joint settings With this option checked you will always use the latest FEM loads When unchecked you will use the FEM loads retrieved the last time you used Generate Code Check Loads Note that with option checked member loads will not be available in the report nor in object properties Purge position results Only worst result along a beam will be kept keep only worst This option reduces use of database memory Note that with option checked results for other positions than the worst one will not be available in the report nor in object properties DET NORSKE VERITAS SOFTWARE SESAM GeniE User Manual Vol IV App C4 Version 5 3 4 15 March 2011 The member code check is performed according to the chapters and sections referred to in the table below a Design consideration Sections covered 5 Structural analysis 5 5 Classification of cross section 5 5 2 Classification 1 2 Ultimate limit state 6 1 General 6 2 Resistance of cross section 3 6 2 2 Section properties 6 2 2 1 Gross cross section 6 2 2 5 Effective cross section properties of Class 4 cross sections 6 2 3 Tension 6 2 4 Compression 6 2 5 Bending moment 6 2 6 Shear 6 2 7 Torsion 6 2 8 Bending and shear 6 2 9 Bending and axial force 6 2 9 1 Class 1 and 2 cross sections 4 6 2 9 2 Class 3 cross sections 6 2 9 3 Class 4 cross sections 6 2 10 Bending shear and axial force 6 3
11. sections in class 4 are not supported Class 3 is used Flat bar sections are treated as class 3 only in automatic classification Class 4 is not supported If manually set to class 4 class 3 will be used T shaped sections degenerated I H are treated as class 3 only General section is treated similar to the flat bar section but is limited to class 3 behaviour The following values are used in the calculations height 2 Iy Wy width 2 Iz Wz For pipe sections My ra Moira 1 Nea Npira is used For channel sections equations 6 36 6 38 are used Ref 6 3 1 2 4 The paragraph in the standard says may be In this implementation buckling effects are always checked DET NORSKE VERITAS SOFTWARE SESAM GeniE User Manual Vol IV App C4 Version 5 3 6 15 March 2011 6 Ref 6 3 2 2 4 The paragraph in the standard says may be In this implementation lateral torsional buckling effects are always checked 7 The maximum member displacement to be used in one of the formulas is a simplified calculation based on the bending moment distribution and stiffness Also note the following Un symmetric I sections are in current implementation treated as single symmetric Code check of L sections is based on principal axes u and v axes All cross sections are as default set to fabrication status Unknown Unkown is in the code check treated as Built up Welded Note that sections read from the section
Download Pdf Manuals
Related Search