KootK thanks for your answer, I will look it up AISC Appendix 6. But when you say "The purlins likely will brace the chord for out of plane buckling" Did you take into account reversal effects such as wind or EQ?
Hello guys,
I have a questions for you about unbraced length of a top chord. I have a supervisor and we are trying to design a big and long mall.(Span = 45m/147' and Length = 20@10 m / 20@33') To make it economical, he is thinking "We should assume that purlins restrain top chord beacuse of 5...
Ron, thank you for your answer, it will be very helpful for anyone that look this topic in web. One of your sentences "In areas of high snowfall, the pitch of the roof could be high to prevent snow drifts. If you lower the pitch of the roof in such areas, the truss has to be stronger because of...
Hello Everyone,
I have a question about truss systems. I have been designing steel truss systems since last year. I am not the one making decisions of type of truss, height of truss or other parameters. My supervisors tell me these parameters and I am making the rest of the job. But I am not...
