Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by noma

  1. noma

    Composite Beam Calcs - Green Book

    I realized today that I have been missing a check in my composite beam design. My text book "Structural Steel Design - ASD Method" (Jack McCormac, 4th ed.) specifies the following design criteria: before concrete hardens fs = Md / Ss < Fb after concrete hardens fs = Md / Ss + Ml / Str-bot <...
  2. noma

    ETABS vs RAM

    We have been using ETABS for a couple years - I find it to be a "buggy" program - I spend a lot of time messing with fixity at various points to get rid of errors, etc. We had a RAM presentation yesterday - It seems to be an "easier" program to use - though I don't think it has the same...
  3. noma

    Load Summation messed up with Seismic Loads

    I have been running several iterations of the same 10 story building throughout the life of this project. We have high windspeeds and (very) low earthquake forces. Until today, I have not considered the effects of earthquakes. I have gone through a half dozen iterations of the model and...
  4. noma

    Davit / Lifeline Connection

    From CFR 29 1910.66 Appendix C states: "(2) The anchorage should be rigid, and should not have a deflection greater than .04 inches (1 mm) when a force of 2,250 pounds (10 kN) is applied." http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=9730 How do you interpret...
  5. noma

    Canopy Wind Pressure Coefficients

    The FAQ in the "Guide to the use of the wind load provisions of ASCE 7-12" (don't have the -05 one yet) recommends using roof overhang coefficients for balconies, which are essentially the same as canopies. ASCE 7-05 appears to have added Figures 6-18(MWF) and 6-19(C&C) for "Free Roofs". Is a...
See more

Part and Inventory Search

Back
Top