Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. grandcasita

    Adding Studs to Existing Composite Beam

    Water = lube and cool for the drilling operation. They do make containment (and wet-dry vacs) for this so I'd not worry too much about it; it is no worse than containing welding spatter. We have done this in cases where they tried to laser screed a composite floor and added up to 2 inches too...
  2. grandcasita

    Steel to steel connection help

    W12x16? single shear tab, between the flanges of the supporting member as a stiffener, extending down sufficiently to attach the supported W10. If the connection is welded or slip-critical bolted, the torsion due to the eccentricy will be minimized, right?
  3. grandcasita

    Poll about CAD knowledge

    It varies greatly in Dallas - some places say "no drafting by engineers", some say "do your own", and where I am now I should do my own in self-defense, but there is one draftsman for four engineers. I do all of my own IN PENCIL on engineering pads... way back when, the university classes were...
  4. grandcasita

    ASCE 7-02 Wind Load Enclosure Type Opinion

    To get the right answer, use the right calculation, not the expedient one. And while the wind code covers a lot of pages in the book, it is really not that difficult to use. Everyone complains about it, but it is really pretty straight forward.
  5. grandcasita

    ASCE 7-02 Wind Load Enclosure Type Opinion

    If the overhead doors are not rated for the full wind, consider them open. You are designing for maximal wind, and anything that will become open in the wind should be counted as open... that is, unless it reduces your wind load, then count it as closed. (Murphy says that the wind will break...
  6. grandcasita

    Altitude wind reduction

    I'm going to assume you are not "up in the air", but are near the ground at high altitude. John D. Holmes' "Wind Loading of Structures" covers this, if I remember correctly - I do not have my copy handy. You will still be in a boundary layer near the ground, so the wind profile will still be...
  7. grandcasita

    Do we absolutely need a concrete base for poles/towers?

    Are you considering the need for corrosion protection of the buried steel? You could possibly bury one or more thin, reinforced mats fairly deep, using the slab as your root system. If you like, the steel would provide the strength, with minimal concrete cover for protection and to create a...
  8. grandcasita

    Metal Bldg Drift w/ Brick Veneer

    While not constructive on their own, I'll just echo and summarize AA's comments: Tax dollars at work (the UFC), and Anyone can build a brick...outhouse.
  9. grandcasita

    Car lift over framed/steel decking

    So it will be a flat concrete slab, with wood forms, on steel structure, no? As to lining up the anchors, that was my point in the first reply... keep the location of the lift flexible, designing for the lift to rest on the concrete slab. The loading will be on the order of 80-100 psi under...
  10. grandcasita

    Car lift over framed/steel decking

    tw, I don't see a way for this to happen, unless slab and beam do not move together. The cap plate would generally be larger than the tube, so the plate would effectively connect the slab to the beam at that location. Which brings up the question about this apparently being non-composite, and...
  11. grandcasita

    Car lift over framed/steel decking

    As the owner, I'd prefer to have it mounted on the concrete, so I could move it, but as the structural, I'd like to lock the location. Depending on maximum lift capacity, can the slab handle the post load if it off the beam by "x" inches"? It is unlikely that the loads will be much more than...
  12. grandcasita

    Multi span cable

    Yes, you can't ignore the friction or work, I simply made that statement to simplify the force question. And work v. force is where I was having trouble making an analogy to the use of pulleys. I see that the force required would be roughly the force to lift one weight on one span, plus...
  13. grandcasita

    Metal Bldg Drift w/ Brick Veneer

    For non-strutural veneer applications, in out-of-plane bending, the architects always tell us L/600, because a crack is a crack, is a crack. If the issue is drift, and the backup studs will stay "straight", simply tilting with the drift, assuming a hinge at the bottom may be just fine. Then...
  14. grandcasita

    Multi span cable

    The analogy is close, but the force required (ignoring acceleration and work in moving the weight of the fabric and weights) is a function of the angle of the fabric and of weight. If the weight used to pull the fabric down is greater than the fabric weight, a better analogy might be slings...
  15. grandcasita

    SE or PE?

    Actually, the final fee was paid with the application. I don't think they restrict the use of the PE designation once you complete the qualifications (application, fee, exams). The email I received on the day they posted grades: "Congratulations! You have received a passing grade on the...
  16. grandcasita

    SE or PE?

    I put it there as soon as the state sent me my number via email. If your state approves your application pending the P&P exam, then I guess passing is the last thing. We still have nothing in writing from the state here in TX.
  17. grandcasita

    Plan Dimensions / Confrontational Contractor

    And what happens, if you don't dimension the plan, you ref. the architectural, and the arch changes a dimension which makes the design unsafe (say, increases a span by several feet)? We always dimension everything necessary to build, (aside from things like CL steel to face of brick). As said...
  18. grandcasita

    SE or PE?

    A PE is state-specific. Just as with doctors, your license stops at the state line. If you are not an SE in your state, it'd be wise to not call yourself one - I'd be in line to criticize you if you came here calling yourself an SE (Texas doesn't recognize the SE designation). You are, as I...
  19. grandcasita

    SE or PE?

    http://www.tbpe.state.tx.us/news.htm#exams1006 NCEES/ELSES is raising the fee.
  20. grandcasita

    SE or PE?

    See http://www.ncees.org/records/mlse/ for info on the "model law structural engineer". My undergraduate degree is not structural, but my masters is. However, I will be required to take several additional courses if I wish to do a MLSE. Some states recognize the NCEES MLSE when considering...

Part and Inventory Search

Back
Top