How We Design a Truss in Our Engineering Office - Part 1

[@behzadtaghipour6394]

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

[@bengthebrazilianengineerinAus]

Thanks for the feedback :) Glad it was helpful

[@JJBeast41]

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.

[@bengthebrazilianengineerinAus]

Thanks Jonathan. I appreciate your support and all the best in your career as a structural engineer.

[@gamadus]

Amazing work brother.. thank for providing this valuable content 😊

[@bengthebrazilianengineerinAus]

Thanks my friend. Appreciate it :)

[@gamadus]

@@bengthebrazilianengineerinAus can I get your email id for further knowledge and discussions?

[@davidtrescatorce]

Love your videos! I see the connection of elements in many trusses may not be a pure hinge, seeming like they may transfer some bending. Is it common practice to model truss structures with bar elements (only bearing axial forces)? Or is the connection stiffness actually evaluated in detailed designs?

[@ufuk54h1n]

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.

[@bengthebrazilianengineerinAus]

Yes, the formula is always the sum

[@Machozz]

How to decide the depth of a truss? Lol whatever the architect say the limit is or less.

[@tomtom2719]

Trusses are fascinating like ill cut and fasten every other piece of lumber in a house by hand but trusses get cut and made for me

[@Structure-Dubai]

VERY INFORMATIVE MAN... THANKS

[@bengthebrazilianengineerinAus]

Thanks man :)

[@davecherylbjjclark6505]

looking to get a set of calls done for my gym in Brazil

[@amosoladokun5474]

Where can I get the design member capacities in axial tension and compression tables for educational purpose. Thanks

[@bengthebrazilianengineerinAus]

If you google design capacity tables Liberty you may find them. They are sections from Australia though.

[@amosoladokun5474]

@@bengthebrazilianengineerinAus Thank you more videos please, you doing great!

[@johnnytruth9271]

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.

[@bengthebrazilianengineerinAus]

I don't see a reason to have the pad in there. Is the column section greater than the bored pier?

[@johnh6798]

the column is to support the 1st level floor beam (2 story building)

[@TrustyGroup-qz8od]

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?

[@bengthebrazilianengineerinAus]

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.

[@sothattheng8624]

Thanks for sharing!

[@bengthebrazilianengineerinAus]

thank you :)

[@peterhun3185]

Great video!

[@designlife93]

Is it possible for you to give this tutorial using back to back angle? Would the process be different?

[@bengthebrazilianengineerinAus]

same process

[@aqoonyahan4059]

Thank you.

[@bengthebrazilianengineerinAus]

thank you :)

[@KenTran-q2e]

Thank you for the video

[@bengthebrazilianengineerinAus]

Thanks Ken

[@anonymouscommenter8637]

what is the app u r using?

[@the_right_path_14]

Is mathcad free ? i downloaded it and after a month there is a logo on the page.

[@bengthebrazilianengineerinAus]

I haven't used it much anymore. It's paid. Maybe have a look at Smath? I think it's free

[@patrickconner726]

Do you do independent work?

[@bengthebrazilianengineerinAus]

Hi Patrick, I do. Are you based in Australia? Send me an email and I see if I can help you. Thanks

[@structurbay]

thanks sir

[@bengthebrazilianengineerinAus]

Thank you :)

[@manuel_youtube_ttt]

I would suggest to use the units in Mathcad, otherwise you are using a fancy notepad/calculator with images and formatting.

[@bengthebrazilianengineerinAus]

You're correct. I don't use much Mathcad. I know it's a good tool though. Do you use it at work?

[@manuel_youtube_ttt]

@@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!

[@poparafael3065]

@@bengthebrazilianengineerinAus I use it at work for some basic manual checks. Very useful!

[@bengthebrazilianengineerinAus]

@@poparafael3065 I haven't used it for ages. There's another free one called Smath or something like that

[@googleyoutubechannel8554]

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.

[@bengthebrazilianengineerinAus]

wrong

[@seblegetachew6853]

Thank you

[@bengthebrazilianengineerinAus]

thank you