How We Design a Truss in Our Engineering Office - Part 1
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- Опубліковано 18 лис 2022
- Today I’m gonna walk you through a quick and accurate calculation design of a truss that you can apply in the real world like a real professional structural engineer.
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Disclaimer: While the contents of this video are believed to be accurate and complete, the information given is intended for general guidance and does not replace the services of professional advisers on specific projects.
None of what I teach should be taken as advice and you should always have your designs reviewed by a competent registered engineer.
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You’re videos are amazing man. Im in my final year of my degree and im working for a structural consulting firm here in Canada, Ontario as a designer. Your videos on connections and general stuff like this are really great to watch on my downtime.
Thanks Jonathan. I appreciate your support and all the best in your career as a structural engineer.
VERY INFORMATIVE MAN... THANKS
Great Job Mr. Engineer, really appreciate it, the contents you create is rare to find! better than any course i had about Truss! Thanks God Bless you
Thanks for the feedback :) Glad it was helpful
Thanks for sharing!
thank you :)
Thank you.
thank you :)
Thank you
thank you
looking to get a set of calls done for my gym in Brazil
thanks sir
Thank you :)
thanks for sharing. quick questions, have you seen a concrete pad sitting on top a bored pier so a steel column can sit on it? they then become part of slab when the slab is formed? I just could not picture how it would look like.
I don't see a reason to have the pad in there. Is the column section greater than the bored pier?
the column is to support the 1st level floor beam (2 story building)
To able to use "I+A*d^2" formula the section of the beam is constant/continuous/not interrupted by space. I think you should use the formula "Sum(A*d2)" for second area moment aka I.
Yes, the formula is always the sum
what is the app u r using?
Where can I get the design member capacities in axial tension and compression tables for educational purpose. Thanks
If you google design capacity tables Liberty you may find them. They are sections from Australia though.
@@bengthebrazilianengineerinAus Thank you more videos please, you doing great!
I am lost to finding the value of d. My question is, what is the value of I you used and where did you find it?
The I value of the PFC is on the table. See 6:58. I bring up the table. If you are using a different section, your I value will be different.
The other I value (for the truss system), I found in the beginning of the video by rearranging the deflection formula for a simply supported beam.
To find "d", I simply rearranged the Parallel axis theorem formula.
Do you do independent work?
Hi Patrick, I do. Are you based in Australia? Send me an email and I see if I can help you. Thanks
I would suggest to use the units in Mathcad, otherwise you are using a fancy notepad/calculator with images and formatting.
You're correct. I don't use much Mathcad. I know it's a good tool though. Do you use it at work?
@@bengthebrazilianengineerinAus I don't use it at work. I've used it only for personal calculations. Although I've switched to do things in Python, so that I don't have to depend on commercial software (even though the free version is still super useful). The only downside is that I have to take care of units myself, but that's fine if I strictly only use SI units. Nice video!
@@bengthebrazilianengineerinAus I use it at work for some basic manual checks. Very useful!
@@poparafael3065 I haven't used it for ages. There's another free one called Smath or something like that
Dear engineers, please for the love of humans, use any simple standard eng program if you need to model up a truss, this isn't a college exam, hand-calculating using the simplest (dumbest) possible truss model isn't a benefit, it's just risking all manner of subtle mistakes.
wrong