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Recent content by vlad1981

  1. vlad1981

    Help Finding horizontal loads when pouring a column at an angle

    @HTURKAK No need to feel sorry, if I was looking only for answers that 100% satisfied me, I wouldn’t post in this forum. I think you’re right, @1503-44 is too. I was neglecting the top form, right on, the forms are a box (not ties) with sufficient clips and other connecting parts to hold it...
  2. vlad1981

    Help Finding horizontal loads when pouring a column at an angle

    Hi I need some help checking my line of reasoning, as it seems we can not get to a decision at work. I am pouring a column, the column is inclined at an angle (Say 52.2 deg), and it will be poured in two lifts (No more than 13ft in vertical). The columns are formed (Not concerned about this)...
  3. vlad1981

    Legal/ Ethical question

    will do, thanks
  4. vlad1981

    Legal/ Ethical question

    Howdy everybody I got a question, is more related to the legality/ ethical aspect of the profession. I wok for a company, whose main line is shoring and reshoring of concrete, many contractors can choose to stamp their own drawings, many have their own technical department. As a general rule, I...
  5. vlad1981

    Plate simple supported at corners

    @rb1957 & @Celt83 Moment, in lb*in/in, does it means, that at X=0 Moment = 0, and @ X=L/2 (Center) Moment = Value Calculated (in lb*in/in) * L/2 (in inch) = Max Moment at center in lb*in????? BTW thanks all for the responses, this forum is the best ever!!!!!!!!!
  6. vlad1981

    Plate simple supported at corners

    that's the thing, W is in psi or Mpa (https://structx.com/Plate_Formulas_014.html)
  7. vlad1981

    Plate simple supported at corners

    Good morning, I've been trying to find the right formulas, for a plate that is going to be simple supported at the corners. the only reference I've found online (not even Roark has the condition) is a webpage structX. see screen shot attached, my question is, to what extent are the Moment...
  8. vlad1981

    Free standing wood pergola in South Florida

    @Aesur, purlins and rafter seem to work fine, beams 2x8 and posts 6x6, and it gets to fail under storm wind conditions. As you said, 20x20 in lower wind areas may be doable (no additional support in the center???), in South Florida, with 150-170 MPH hurricane, could be an issue. No idea what...
  9. vlad1981

    Free standing wood pergola in South Florida

    I witnessed an argument today. Contractor is tasked with building a free standing wood pergola in south florida, specifically, in Palm Beach county. Initially it was going to be 12ftx20ft, engineer said for such pergola (Main beam spanning across 20 ft dimension) it would need a middle post...
  10. vlad1981

    Demolition of existing slab

    @Enable Situation is pretty similar to the one you show in the picture. difference is shoring system, 10K, will remain in place for demolition and pour. It will be saw cut on the edges, and then, broken into smaller pieces with a chipping hammer. There will not be no bobcats, concrete pieces...
  11. vlad1981

    Demolition of existing slab

    @phamENG now I know what you meant by wait for Enable to show up, you got me thinking, was a bout to google it.... @Motorcity yeah, design LL is not that big, thats why you surprised me when suggested to use it. @Enable Formwork shoring I have it clear, yes, agree regarding the differences in...
  12. vlad1981

    Demolition of existing slab

    @phamENG thanks, I still need to present some sort of design for pricing purposes, even though it will or may change later on. @MotorCity, that seems odd to me, the design LL is 40 psf, which is smaller than ACI 50 psf, or you telling me to add (on top of the shoring LL) the design LL??? any...
  13. vlad1981

    Demolition of existing slab

    @phamNEG Yeah, thanks and sorry, my bad. It will be pretty much a mixture of everything you said, they will be cutting, mostly the edge where the main slab will remain in place, and jack hammering the rest. They may cut small pieces, but as it is all enclosed in an existing structure, they will...
  14. vlad1981

    Demolition of existing slab

    Good morning all. Iam doing some demolition work of some existing slab. Slab is going to be demolished and replaced by a new one. Said slab is shored, but standard shoring is designed for Concrete weight, Forms weight and Live load (ACI recommends 50 psf if not motorized buggies, and 75 psf if...
  15. vlad1981

    Shoring and Reshoring of multistory buldings

    Thanks a lot, Enable, you've truly saved my day. A) is more than enough to justify the difference. B) is absolutely smart, being my overload around 1.87% . I wish there was more literature and not just "experience", everyone I know just don't use the reshore weight, nobody been able to explain...
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