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  1. Boiler106

    Minimum Aggregate Size for Slab on Grade

    We have an 8 inch slab with rolling equipment and enhanced aggregate interlock utilizing reinforcing crossing the control joints. i received a mix design that utilizes #78 pea gravel. my gut tells me to reject this for the aggregate interlock issue the pea gravel will likely create, given that...
  2. Boiler106

    Augercast Pile Minimum Diameter for stability

    Thanks guys. Shortly after posting this we came across an article by DFI and commentary in ibc 2024 that removes the provision. They pretty much say the ratio is not applicable for these single deep foundation elements. DFI article IBC excerpt
  3. Boiler106

    Augercast Pile Minimum Diameter for stability

    Structural engineer here. Using IBC 2015 in the southeast USA, seismic design category, can someone please clarify the "the height does not exceed 12 times the least horizontal dimension" exception in 1810.10.2.2? Specifically, i am looking to find the smallest diameter auger cast pile that can...
  4. Boiler106

    Seal Welds and Intermittent Welds

    thanks this is helpful. the hss will be sealed. fortunately, its not in a highly corrosive environment. just something that has happened over a long period of time.
  5. Boiler106

    Seal Welds and Intermittent Welds

    yes, hence the seal weld
  6. Boiler106

    Seal Welds and Intermittent Welds

    I am reinforcing a column in a corrosive environment using AISC. The column is a PEMB built-up column with 3/8" flanges that i am welding an HSS member to along its length. I would like to limit distortion of the flanges using an intermittent flare bevel weld and then follow up with a seal weld...
  7. Boiler106

    Basic Structural System - equipment pad

    this is a dumb question, for sure, but does anyone know how i might describe the basic structural system on my design criteria section for a project that just consists of an equipment pad in a high seismic zone? Should i list it as "N/A, Ground Supported Slab"?
  8. Boiler106

    Effective Wind Area - Stud Wall with Parapet

    I have a stud wall that bypasses the roof line to form a parapet. Ive been using an effective wind area for the wall based on the overall length 21.1' to get 21.1'2/3 and use this value to get both my wind loads for the wall portion and the parapet portion. Im second guessing myself and...
  9. Boiler106

    Vibration Mitigation

    Thanks but that contradicts AISC DG 11
  10. Boiler106

    Vibration Mitigation

    Thanks, but we know, based on DG 11, that reinforcement that is not properly attached to the floor framing, such as through welding or jacking of posts, is largely ineffective when it comes to vibration mitigation. I am familiar with walking excitation and sensitive equipment. Isolation is not...
  11. Boiler106

    Vibration Mitigation

    Yes, and to engage them so that the reinforcing is compatible with the model. ...Yes, agreed. Which is what I've alluded to in my original post.
  12. Boiler106

    Vibration Mitigation

    Yes, agreed. Although Im most concerned with the beams that are on the right-hand side, parallel to the deck.
  13. Boiler106

    Vibration Mitigation

    It's for walking excitation
  14. Boiler106

    Vibration Mitigation

    Thanks, i mustve missed that portion. I know it discusses the columns. We've discussed it with the specialty engineer. They wanted the beams tight to the deck with no special requirements. They were not familiar with jacking the posts, which made me question their direction.
  15. Boiler106

    Vibration Mitigation

    I've been tasked with creating design drawings from a vibration mitigation study performed by a specialty engineer on a composite framed steel floor with slab on metal deck for sensitive equipment. The specialty engineer used finite element modelling to determine the repairs which consist of...
  16. Boiler106

    How do California structural PE's refer to themselves on company resumes/RFP's?

    Deker, thanks for your insight, however, you have assumed we are a structural only firm. Alt0, this is what im looking for. Thanks!
  17. Boiler106

    How do California structural PE's refer to themselves on company resumes/RFP's?

    thanks im not interested in modifying state titles. for the california pe's, how do you communicate that you are focused on designing structures on your resumes.
  18. Boiler106

    How do California structural PE's refer to themselves on company resumes/RFP's?

    thank you for your insight. however, i am not interested in your response. for the rest, if someone can help me indicate that my Civil Professional Engineer has experience in designing structures in California and not roadways at the top of a team resume, i would be grateful.
  19. Boiler106

    How do California structural PE's refer to themselves on company resumes/RFP's?

    yes, i understand that portion. My question is for California PE's that practice structural discipline-type work, how do you list yourself on company resumes. For those not aware, califormia PE's can design structures except schools and hospitals. This is in contrast to Illinois, where ONLY an...
  20. Boiler106

    How do California structural PE's refer to themselves on company resumes/RFP's?

    Can you use the term "structural" but not "structural engineer" in your title on company resumes? Would it be Mr. Boiler106, PE (structural)?

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