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I am not a student. The pole is for a road camera. Thank you.

Hello friends, I need to design a pole that meets the following requirements: 1. The pole is steel pipe pole 20m high, 2. The oscillation of the pole, including assembly, shall not exceeds +-1% of pole height of the pole in wind gusts with speeds lower than 129 kph. 3. The pole structure...

Thank you Very much for the help. Probably I will have a few more questions soon. Thanks again

Hello, My Software I use for bridge modeling do not take into considerations Time effects like creep and shrinkage. For my knowledge these kind of effects can be modeled as a temperature loads. My problem is to find and prove the magnitude of the temperature load to model the creep and...

Hello. I need to design H=330cm B=300cm rectangular beam that subjected to 3000 ton*m torsion. (Factored) I can handle maybe the longitudinal reinforcement, but not with the stirrups needed. I want to Pre-stress the beam to reduce torsional reinforcement requirement. (Post-tension) Where...

Many thanks guys, your help is really appreciated. I am about to print this thread and go over it very thoroughly. Probably a few more questions will pop up. Thanks again. Ido

I considered unbalanced live load, yes. I considered live load only on half of the middle span.

Thank you all. Just to make sure, I have fixed arch at both ends, If I use le=0.5*l I think it is conservative. l represents the WHOLE arch length and not just projection line. Please advice.

Thank you all for the replays. BAretired: Can you please point me to a reference that I can see what you suggests? I need a solid reference in case I want to include these solutions in my static calculation notes. JStephen: My concern is about the arch buckling. Thanks again.

Hope This is help. http://files.engineering.com/getfile.aspx?folder=1264fdc4-f4e4-4b51-ab0c-310d09add9c8&file=1.JPG http://files.engineering.com/getfile.aspx?folder=89494dbd-2a81-4241-9b8b-856ca7fb011a&file=2.JPG Thanks

Hello, I need to design a steel pedestrian bridge that the middle span is hanged on an arch that pass over it. How do I take into account the arch geometry for buckling calculation? I think I need to reduce the effective length, but I an not sure, and if it is the effective length I do not...