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  1. X4vier

    Correct design and detailing of X bracing in the middle Brace-to-Brace connection? (one story, so not beam there)

    The examples in this document are for two-story X bracing. I'm looking for the design for X bracing with bracing crossing each other between the floors.
  2. X4vier

    Overhead crane tractive forces

    I usually assign those loads the pair of diagonal angles to the nearest column. I don't see that kind of angle diagonal bracing in your details.
  3. X4vier

    SCBF embedded on IMF

    Not a lot of space to put braces (just exterior walls allowed). SCBF is not accepted by local code (R-001 from the Dominican Republic)
  4. X4vier

    SCBF embedded on IMF

    The referenced book is "Seismic Design Review Workbook"? Hehe.. Frankestein.
  5. X4vier

    Correct design and detailing of X bracing in the middle Brace-to-Brace connection? (one story, so not beam there)

    Is there any AISC document with the correct design and detailing for one story X brace for Special Concentrically Braced Frames (SCBF) I can see the example in the seismic design manual for the two-story X-bracing with the beam in the middle, but there is no reference to the one-story X-brace...
  6. X4vier

    SCBF embedded on IMF

    Is a Special concentrically braced frame (SCBF) embedded in an Intermediate Moment Frame (IMF) accepted as a Dual system as per ASCE 7? Or they should have different locations to be accepted.
  7. X4vier

    SCBF embedded on IMF

    Is a SCBF embedded in an IMF accepted as a Dual system? Or they should have different locations to be accepted.
  8. X4vier

    AISC 358 Endplate connection with RBS.

    Thanks a lot, Those were very valuable opinions.
  9. X4vier

    AISC 358 Endplate connection with RBS.

    Help!
  10. X4vier

    AISC 358 Endplate connection with RBS.

    Is it possible to combine AISC 358 Endplate prequalified connection with RBS? Usually SMF are controlled by deflection and shape required are so strong that D/C ratios below 0.2. There is any hint on codes than indicated that I can reduce the beam (RBS) to use a smaller but still properly...
  11. X4vier

    Ordinary systems on Republica Dominicana.

    I'm searching for an exception for Metal Buildings construction.
  12. X4vier

    Ordinary systems on Republica Dominicana.

    There are lots of clues on the code say the idea was to apply exceptions to the ordinary systems. Like assigning a Rd (Ro on ASCE7) value.
  13. X4vier

    Load combination factors for multiple overhead cranes

    AISC Design Guide 7 is a good reference also.
  14. X4vier

    Ordinary systems on Republica Dominicana.

    Any idea on this?
  15. X4vier

    Ordinary systems on Republica Dominicana.

    I'm checking the R001 seismic code for Republica Dominicana and couldn't find ordinary systems as OMF or OCBF are permitted under any exception. Does anybody know if this code has exceptions for ordinary systems?
  16. X4vier

    AISC structure, double nut on connections...

    Which circumstances?
  17. X4vier

    SEISMIC USER DEFINED LOAD

    Image is not working.
  18. X4vier

    KL/r<200 how to make SAP2000 omit this requirement on auto-select lists?

    Tension/compression limits obligate the use of nonlinear cases that do not always run ok. I Can't reduce the K or L on the weak axis because I don't have any bracing on the weak axis. That will produce a wrong design.
  19. X4vier

    "do you want to reiterate analysis and design" Option not available on ETABS 22

    None?
  20. X4vier

    AISC structure, double nut on connections...

    Oh sorry. [sadeyes] Yes I was talking about washers. Oups. The main idea is for bolted connections on cold formed material is there any increase in capacity for using a washer on head additionally to the washer that goes with the nut?

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