Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • 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: *

  • Users: PMR06
  • Order by date
  1. PMR06

    Breakout Failure When New Concrete Cast Against Existing Parallel to the Edge

    You have 2000kN (~450kip) shear on a single anchor?? But to answer your question, I would treat that as an edge and design accordingly. In your case that's probably a lot of anchor reinforcing!
  2. PMR06

    Composite Metal Deck

    If that table is from a vendor calculating per SDI (looks like Vulcraft so yes), then Ic, Iu and Id are moments of inertia transformed to steel.
  3. PMR06

    Connection Problem

    Are you bolting into the edge of a 4" thick panel, i.e. the 4" thickness is in and out of your view there, and thats how you can get 8" embed? If so, it doesn't pass the initial gut check and I would want to see one of the bolt manufacturers design tools show this works (Hilti, Simpson, etc).
  4. PMR06

    Calculate Normal Force

    I'll bite... Fn=10N?
  5. PMR06

    ASCE 7-10 15.7.10.4

    For what its worth, ASCE 7-16 changed the verbiage of 15.7.10.1, better differentiating between tanks with integral support towers, and tanks that are just supported by a another tower structure. It sounds like your tank may be the latter condition. (The commentary in 7-16 also has some photo...
  6. PMR06

    Structural Slab Supported at Corners

    Can you post images of M11, M22 and M12? I suspect Celt83 is correct and M12 will show negative twisting moments that are adding into the Mmin sum. I am guessing M11 and M22 will not show negative moments, but M12 will. Or there could be something else going on...
  7. PMR06

    Artificial Intelligence in Structural Engineering

    Just recently I saw a new grad engineer using an AI tool to generate some pretty complex VB scripts to run in the background of a new design tool he was developing. (I've got almost 25yrs experience) I joked that he was ChatGPT'ing us out of jobs. He quipped that it took him an hour what it...
  8. PMR06

    Modeling SOG in SAFE - Convert to Nonlinear Cases

    Regarding the load combo's being "flattened", SAFE converted that combo into a non-linear case. It should show up in the list of load cases with -NL at the end. I am not aware of an automated way to undo the "create non-linear combo" process, but the information is still there in the cases and...
  9. PMR06

    Designing Jamb Bars for an Opening in a CMU Wall

    For out of plane loading, I would design the jamb reinforcing for a tributary width equal to 1/2 the door width + 1/2 the distance to your next vertical reinforcing. Looking at your wall elevation, I would also explore the idea of moving the mid-height bond beam up 2 courses to coincide with...
  10. PMR06

    SE Exam New format April 2024

    There are several states that require you to submit an NCEES record for a comity (reciprocity) application. You are no longer allowed to collect exam scores, transcripts, references, other license info, etc on your own. You have to use the NCEES record system, and pay them their fee of course.
  11. PMR06

    Data Storage Costs

    @thermionic1, thanks for the follow up. That is crazy though! Are we building SkyNet?! I dont know whether to buy nvidia stock, or a doomsday bunker!
  12. PMR06

    Data Storage Costs

    Is that a typo? 120MW?
  13. PMR06

    The wheels are falling off the Net Zero bandwagon

    I'm just glad that when the US finally spends $50 trillion on windmills, all of these problems will go away.
  14. PMR06

    Beam Stiffeners

    If the space between beams was always intended to have concrete up to top of flanges, I would work out a fix detail that provides that. Roughen the concrete surface between beams, add some little dowels into the existing slab, weld some rebar on to each of the exposed beams and lock it all in...
  15. PMR06

    SAFE for Sliding Checks

    Go to Analyze - Advanced Modeling Options, is "2D Plate - UZ, RX, RY Only" selected? If so, unselect, re-run model and see if your reactions appear.
  16. PMR06

    Approx. 300 sq ft, 19 ft suspended architectural ceiling

    Are you looking at a load combination that includes ceiling dead load, or just a single load case of lateral seismic only? The former might give enough gravity load in those hangers so the model converges. The latter would be unstable with all "tension only" members. In RISA you can also...
  17. PMR06

    Elastomeric bearing

    I have used slide bearings from Con-Serv many times. You can layout custom bearing pads to about any shape, include bolt holes, slots, etc. They have a lot of information on their website, and their staff is very easy to coordinate with. https://con-servinc.com/con-slide-bearings-type-csa-csb/
  18. PMR06

    SAP2000 Error when changing height of structure

    This sounds like a runaway pdelta problem. What is the top node deflection in those various models? Is there a gravity load at the uppermost node? Have you tried stiffening the lower post section in 16.75ft error model to say HSS8x8x3/8 and see if it run stable?
  19. PMR06

    OT - Don McMillan Comedy

    He's hilarious! My wife hates his material, which makes me like it more! [rofl]
  20. PMR06

    SE Exam New format April 2024

    The onus is ENTIRELY on NCEES. They have a monopoly on the test process, yet it continues to diverge from the reality of how engineers actually perform their work.

Part and Inventory Search