• Why IS Code 800-2007 LSD fails Ratio INFINITY, while AISC 360-10 ASD passed Beam with Ratio 0.44? Taper beam

    1) Design check by IS Code 800-2007 LSD fails gives result of Bending Ratio = “INFINITY”, which passes with AISC 360-10 ASD Ratio 0.44! Also IS 800 code output does not give any ratio in both major, minor axis! 2) Is this 12 mm Flange thickness is critical…

  • Error in member ratios -nan(ind)

    Hi. I am working on a steel building, and i have a couple of issues. There is a column that shows a ratio of 13. And when i calculate it by my own taking from the model the nodal displacements for that combination, it should be aprox 0.54. There…

  • RE: How to change the resistance factor for LRFD of AISC 360-10?

    I don’t think there is any way to print the normalized ratio in the analysis output file. What you can do is, go to the Report Setup and include the item, Utilization Ratio Table in your report which would include the table that you normally get when…

  • RE: Utilisations

    From inside the Beam > Unity Check page, simply click on the column header named Actual Ratio as shown next The designs would now be sorted based on the utilization ratio as seen below

  • Query about ratio parameter

    In design according to EN 1993-1-1:2005 How ratio is obtained? Tech Reff. File quotes that "prints the ratio of the actual stresses to allowable stresses for the critical condition. Normally a value of 1.0 or less will mean the member has passed…

  • RE: No changes in ratio

    From the screenshot I see that the rafter is failing in slenderness. For CODE AISC, slenderness is checked for any member prior to designing it for other cases and if the slenderness check fails, the Clause is reported as L/R-EXCEEDED. Since that condition…

  • staad pro v8i (20.07.09.31) issue

    dear staad master. i'm new member in here. i love this forum because i can find the answers about lots of my own problem with staad besides reading technical manual reference from staad. now i'm working with (maybe) the latest patch released from…
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