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  1. puszka

    Tension load normal to a fillet weld

    @dik @driftLimiter @SWCompotites Thanks so much! I'm a first-year EIT building up my arsenal and I've only just started getting into this topic. Over the weekend I had a big read up on fillet welding and I understand it much better now -- and it was really helpful to have your input here.
  2. puszka

    Canadian code - Wind load on fabric umbrella

    Hi y'all New EIT here. I'm working on my first open canopy structure which I am trying to analyze based on the Ontario Building Code (based on NBCC). It's just a 5m x 5m (16' x 16') cantilevered umbrella and I'm designing the footing. I have worked on a project with an overhang before and I...
  3. puszka

    Crack Control parameter in footings

    Ah, that's a good call with calculating fs. I'm new at this and still building my analysis/design tools, so every little bit helps. Thanks!
  4. puszka

    Crack Control parameter in footings

    Hi y'all, I am designing some residential footings and the Canadian code isn't abundantly clear as to whether the crack control parameter is necessary for footing design. I have some pad footings whose reinforcement will be universally governed by satisfying z if that is the case. I was under...
  5. puszka

    Welded wire in Composite Slab

    Thanks @OldDawgNewTricks!
  6. puszka

    Welded wire in Composite Slab

    Hi, I have designed a Can-am P-3615 composite slab for a project save for the specification of the wire mesh. I used the can-am techical guide for my design, but it states at the end that the design engineer is responsible for specifying the welded wire fabric. I can't find anything...
  7. puszka

    Stress Trajectories of Slabs/Shells

    @JStephen Yes, I have heard reference to Timoshenko and that sounds like a good rec. Might be time to delve in. Lol, draaag me [blush] I guess what I meant to convey was not that I was interested in learning how to do this in complicated structures by hand per se, but just to understand...
  8. puszka

    Stress Trajectories of Slabs/Shells

    @KootK Yes! A great rec but alas I have read it already [pipe][hourglass]
  9. puszka

    Stress Trajectories of Slabs/Shells

    Hi everyone, I have been doing a lot of reading from prominent 20th century engineers (Eduardo Torroja, Nervi, Waclaw Zalewski etc.) and I am interested in learning more about stress trajectories and how to find them in different structural shapes. It is a really cool concept though it is...
  10. puszka

    OBC or NBCC Wind Load on Canopies - Uplift and Lateral

    I posted this too late yesterday let's see if I get a bite once I push it to the top this morning :p
  11. puszka

    OBC or NBCC Wind Load on Canopies - Uplift and Lateral

    Oh, and please if you happen to know of any good references, videos, documents, texts yada yada yada I am all ears. I'm working towards this to become second nature!
  12. puszka

    OBC or NBCC Wind Load on Canopies - Uplift and Lateral

    Hi All, I'm designing my first entry canopy as an EIT and I'm a bit confused how an entrance canopy would be analyzed for wind according to the OBC or NBCC. The canopy projects about 15 feet from the facade of the residence (to which it is attached at the level of the second floor) and is 24...
  13. puszka

    RISA 3D - Reported Mf Changes between SPF member and Steel member

    For anyone else who might read this -- after triple checking my arithmetic wasn't wrong. RISA was only fully analyzing serviceability combinations in wood members and hence the Mf was lower than expected since it wasn't part of LSD. By selecting the specific combination I was able to see the...
  14. puszka

    RISA 3D - Reported Mf Changes between SPF member and Steel member

    @jayrod You were very correct -- it was a mixture of the weight differences which I forgot were turned on as well as a mistake in my hand arithmetic :S thanks!! [upsidedown]
  15. puszka

    RISA 3D - Reported Mf Changes between SPF member and Steel member

    @jayrod - yes I just caught that -- the new table image shows them both on Deflection 1
  16. puszka

    RISA 3D - Reported Mf Changes between SPF member and Steel member

    Here is an example. Everything is the same between the two. 5m span, 1kN/m load. Support conditions are pinned (one with Mx locked for stability so it will analyze). I'm new to RISA and I'm still learning the settings, which I imagine this is a part of.
  17. puszka

    RISA 3D - Reported Mf Changes between SPF member and Steel member

    Hi everyone, I am designing some beams for a porch and I decided to throw a couple whose loading was more complex in a 2D plane in RISA 3D. I noticed that the required member sizes were smaller than I had anticipated, and when I looked at the detail report it showed the Mf to be about 75% of...

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