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  1. SteelStructureDesign

    Seismic Des. Parameters for London/UK - Code: Eurocode8-2004 (Steel Des. Code: BS5950-2000)

    Hello everyone, I need to know the following (and any others if I necessary) seismic design parameters for London (bearing capacity of soil: 50 kN/m². For now I only know this information) for a pre-design of a steel structure. For Defining Vertical and Horizontal Response Spectrum Functions...
  2. SteelStructureDesign

    SAP2000 -> Design/Verification of Part of the Structure

    Hello STRUKT, Excuse me if I understood something wrong. But cant you select them easily thanks to `select by groups`? Then sap2000 can only design them. It can also show tables for selection only etc. Regards,
  3. SteelStructureDesign

    Overlapping/Deleted Hidden Elements Problem after Divide/Combine etc.

    Hello everyone, When I divide a frame permanently into pieces and then join them again I come up a problem: Sap2000 still counts deleted objects and says 7 (for example) objects selected instead of 1. Even if I delete that problematical element, sap2000 still counts it/them somehow. I tried to...
  4. SteelStructureDesign

    Hiding Some of The Grid Lines

    Hello everbody, If I would like to hide ``some of the grid lines`` (not all of them), in grid system data I can chose `No` for them. It is okay. But when I have a lot of grids to hide, it takes so much time to do it one by one. Is there any quicker method for this? Best Regards,
  5. SteelStructureDesign

    Defining Earthquake Directions

    Thank you so much for your answer. In tutorial I watched it load pattern was defined like the picture number one above. And load combinations was defined like the picture below. As an example, for 0.9G±E, only 8 load combinations should be enough. But the picture below says we have to define...
  6. SteelStructureDesign

    CW purlin bolted connection problem in Tekla

    Hello everyone, I have a question about CW purlin bolted connections in Tekla. I can not create it as I wish. If I use Cold Rolled overlap (1) macro: It does not work properly with 2x4 bolts. It works only 2x2 bolts. If I use Rail Connection (70) macro, it does not work too. Rail connection...
  7. SteelStructureDesign

    Lateral Bracing in ETABS

    If we would like to assign this property to the floor beams, should we do like below? (as an example) 1) ...\ Lateral Bracing \ Specify Uniform Bracing \ 0 to 1 : Top (Because the main beam is braced with deck and secondary beams on top) (I assume that secondary beams are much smaller than the...
  8. SteelStructureDesign

    Defining Earthquake Directions

    Hello all, I have a question about defining eartquake loads: 1) In some Etabs tutorials, directions are defined like in the first part of the picture (1) : X Dir, X Dir+Ecc, Y Dir+Ecc all selected in one load pattern. 2) And in some other examples there are 3 different Load Patterns: EX...
  9. SteelStructureDesign

    Hello everyone, I need a handboo

    Hello everyone, I need a handbook for ETABS (especially for designing of concrete structures) which will include different kind of examples (as detailed as possible) with newest versions (or at least after 2016) of the program. If there is such a thick, helpful book, could you please tell me...
  10. SteelStructureDesign

    Seismic Design Category, Omega, Cd

    Hi again, Could anyone help about this question? Best regards,
  11. SteelStructureDesign

    Seismic Design Category, Omega, Cd

    Hello all, How should we specify following parameters? What must they be? 1- Seismic Design Categories = ? 2- Omega = ? 3- Cd = ? I will be happy if someone help about it. Best Regards, Latif
  12. SteelStructureDesign

    Warning in ETABS : ``The max. absolute changes in the EI and EA reduction factors is 0.2. For .. ``

    Hello everybody, Does anyone know that what the simple meaning of the following warning in ETABS is? Is it something crucial? ``The max. absolute changes in the EI and EA reduction factors is 0.2. For .. members, the reduction factor decreased by more than the negative tolerance of 0.01. Do...
  13. SteelStructureDesign

    In SAP2000 How to Set Up Advanced Report Writer Once and Use it for Future Projects ?

    Hello everybody, In SAP2000, when I create a report with create report command, the reports becomes too long. But I create it thanks to advanced report writer it takes so much time. I think, since CSI says so, it is possible to set up advanced report writer once like we wish and we can use it...
  14. SteelStructureDesign

    SAP2000 changes&assigns copied&replicated frame elements into some other sections by itself.

    Thank you Kristene! Surprisingly, I hadn't even realized/used those options while I was replicating. Knowing about those options will help me. Usually, when I replicate any elements, I need to do it with whole characteristics, assigns etc. And I think, in default, SAP2000 does it in that way...
  15. SteelStructureDesign

    SAP2000 changes&assigns copied&replicated frame elements into some other sections by itself.

    Hello again, Does anyone have an idea? Thanks.. Latif
  16. SteelStructureDesign

    SAP2000 changes&assigns copied&replicated frame elements into some other sections by itself.

    Hello everybody, In SAP2000, I copy/replicate some structural elements and when I analyze structure again, I realize that SAP2000 had changed & assigned those copied & replicated frame elements into some other sections automatically. And just because of this, I have assign those frame sections...
  17. SteelStructureDesign

    Ideal Secondary Beam Directions in ETABS

    Thank you very much. So you suggest that I have to design using completely steel without any concrete wall for upper part of the building? It is 40 mt. The problem is even I use concrete walls till end of the building, some of the program gives me very big columns for two points. From...
  18. SteelStructureDesign

    Ideal Secondary Beam Directions in ETABS

    After reading your message again I think I misunderstood what you mean. I thought that the directions wrong because of the out to out distance of the building. And this raito is aprox 1:2 I thought that if I change the direction of the secondary beams it may help defence for lateral loads...
  19. SteelStructureDesign

    Ideal Secondary Beam Directions in ETABS

    Your answer is very useful for me. Yes I know that deck must be perpendicular to the secondary beams. I wanted to understand the second detail that you mentioned also. Thank you very much! Latif
  20. SteelStructureDesign

    Ideal Secondary Beam Directions in ETABS

    Hello, I think, secondary beam (composite beam) and steel deck directions in the attached picture are basically wrong and it will be better if I change the directions. What is your opinions? I will be glad if you look at it share your experiences and help me. Thank you already now. Latif

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