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  1. Hercul3s

    ETABS Concrete Design (Rho)

    Hi All! I'm designing a small concrete structure in Brazil (concrete frame). The typical steel reinforcement used locally is stronger than fy60 used in the US. They use CA50 (= 500MPa), which translates into 72.5ksi steel. Also, the local code (NBR 6118) allows a minimum steel ratio (Rho) of...
  2. Hercul3s

    Concrete Slab Analysis and Design

    Could anyone post a screen shot (snippet) View of Design Strips with their widths showing, in a small building? Thanks again!
  3. Hercul3s

    Concrete Slab Analysis and Design

    I had a few of questions regarding ETABS and SAFE: 1. Is it safe to rely on ETABS alone to analyze/design concrete slabs in building? 2. If you use SAFE for the slab design, being that column locations in a concrete building are rarely on a straight line, is it necessary to draw Design Strips...
  4. Hercul3s

    Shear Friction

    We don't have details for the waterproofing yet - it's maybe too early for that. Right now the instructions are to "consider waterproofing between beam and slab". I agree with both of you, jayrod12 and phamENG: running the waterproofing down the sides of the beam and sealing it should be...
  5. Hercul3s

    Shear Friction

    Hi All, I have to design for shear friction to transfer base shear forces from "collector grade beams" (at the base of lateral frames), back into my slab on grade. The beams are not imbedded into the slab - the slab sits on the beams, so to me, this is an issue of shear friction. The problem...
  6. Hercul3s

    Hi All, How can I verify the bearin

    Yes[smile] I know, but the owner is trying to avoid that as the project is very small..
  7. Hercul3s

    Hi All, How can I verify the bearin

    Hi All, How can I verify the bearing capacity of soils for placement of foundations on a small project? I'm working on a project that involves underpinning of a foundation wall. How do I know that the subgrade is adequate (has the minimum psf allowance) for placement of concrete on the...
  8. Hercul3s

    I need to build a CMU wall, startin

    Great! Thanks guys, for your help!
  9. Hercul3s

    I need to build a CMU wall, startin

    Great! Thanks darthsoilsguy2!
  10. Hercul3s

    I need to build a CMU wall, startin

    I need to build a CMU wall, starting on a steel beam. Can anyone tell me what is the best way to connect/start my vertical steel on the beam top flange? (Vertical rebar running in CMU cells). Should I just weld the rebar to the beam? Thanks!
  11. Hercul3s

    Non-shrink grout layer under column base plates

    I am reviewing shop drawings and the contractor is proposing to use 1/2". I'm used to use 2 ~ 3in (1 inch in real light applications), and I thought that was 'strange'. This is a light application, with a load of +/- 50 kips. The Contractor's proposing to use Hilti grout. I just did a search...
  12. Hercul3s

    Non-shrink grout layer under column base plates

    What are the limits for thickness of non-shrink grout layer under column base plates? Can anyone recommend a Reference??
  13. Hercul3s

    Masonry Expansion/Contraction Joints

    Thanks guys! Sorry for the late response - I was away during holidays!
  14. Hercul3s

    Masonry Expansion/Contraction Joints

    Is it necessary to have Expansion/Contraction joints in CMU backup block walls in a Composite Wall construction? (Brick Veneer and Backup Block) In other words: if the CMU is not exposed to weather and is an "interior" item, are vertical joints still necessary? I couldn't find a code section...
  15. Hercul3s

    SER Design Fees

    The architectural drawings are in their very basic / conceptual stages. It's actually a parking garage, and all they have at this point is 3 versions of One plan view with different square footage. Does this help? Thanks
  16. Hercul3s

    SER Design Fees

    Can anyone tell me where to find information on building design fees on a per-square-foot basis?
  17. Hercul3s

    Steel Frame Brace Design

    Thanks guys!!
  18. Hercul3s

    Steel Frame Brace Design

    Excellent - Got it! Any hint on how to calculate or dimension of the fuse region? Is the "beam depth" a rule-of-thumb to follow?
  19. Hercul3s

    Steel Frame Brace Design

    Can anyone tell me the reason for the "fuse region" (space between connections) in an eccentric Inverted "V" Brace? I am pretty sure it allows for deformation of the beam to which they connect, but what is the main advantage of that? Please see file attached...
  20. Hercul3s

    Underpinning Foundations

    Yes, I was referring to the side shoring boards. I guess the answer is yes. Thank you so much for your help guys!

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