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  • Users: JLSE
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  1. JLSE

    sill plate eccentric loading

    So, the water issue is not a concern. there is insulated sheathing out the outside face. The AB comment is related, because there is language in the code about the washer plate being within 1/2in of the wall sheathing for AB's... that was written due to eccentricity concerns in the testing, I...
  2. JLSE

    sill plate eccentric loading

    Is there any reason why putting the shear wall sheathing on the inside face of an exterior wall is not acceptable, or requires additional consideration? Seems to me that the sheathing nailed to the inside face of the sill plate creates an eccentric loading condition, if the sill is then nailed...
  3. JLSE

    wet set rebar - 2022 CBC

    ACI 318-19 Section 26.6.2.2 should do it......
  4. JLSE

    wet set rebar - 2022 CBC

    thread507-282970 Hello, I found the referenced thread, which discusses the pros and cons of wet setting rebar. I have not been able to locate the pertinent code sections under the new codes.... ACI 318-19 and 2022 CBC. Anyone know where to find this? Thank you.
  5. JLSE

    Circular argument ASCE 7 Section 12.14

    Section 12.14.8.1 specifies Fa=1.4 for soil sites, but also allows Fa to be determined by Section 11.4.4 which requires Fa to be a minimum of 1.2 and references back to 12.14.8.1. As a designer, Ive never used the Simplified approach... as a plan reviewer, I'd like to get clarification. Any...
  6. JLSE

    Members not part of the FRS - Concrete Column lap splice location

    Was the requirement to put the lap splice in the middle third of the column removed? ACI 318-19 Section 18.14. I haven't even found it in the SMF section. It has been awhile since I looked at one of these.
  7. JLSE

    Plan Review - What happened?

    I never have a major problem with them. They have always seemed to have a better understanding than the jurisdictions do because, as noted previously, jurisdictions cannot afford an SE. I think a lot of engineers have trouble adjusting their standards because they are used to reviews by ...
  8. JLSE

    Steel beam between two concrete walls

    I wouldnt detail the exact dimension, and have the contractor verify dimensions and produce shop drawings. Or, I would build tolerance in with a field weld... double L bracket.
  9. JLSE

    Prefab Wood Truss Uplift

    RWW0002- Okay. I get that. If Im not mistaken, the truss designers usually assume either direct applied ceiling or they specify a nominal bracing. In the situation you describe, Id recommend bracing the BC either way. A continuous runner is easy and cheap, add some bay blocking and youre there.
  10. JLSE

    Prefab Wood Truss Uplift

    RontheRedneck - What software do you use? And all, is the concern that the truss will fail? Or that you dont have an accurate holdown force to work with? I'll certainly be adding this requirement and taking a look at this in the future... thanks.
  11. JLSE

    APA 303

    Come on folks.....
  12. JLSE

    Ridge Vent - Shear Transfer Product?

    Thanks for the reference. Ive been blocking under each sheathing edge, clipping the blocks together, and coring holes through them to provide equivalent ventilation
  13. JLSE

    2023 Recession in the Structural Engineering Field

    Im not convinced a recession is coming... and I urge people not to be convinced ahead of time. If they convince us a recession is coming, it will come.
  14. JLSE

    Radiant Slab Tubing....Best way to Locate

    Maybe a snake with a magnetic head.... like the guys use to map out leach lines.
  15. JLSE

    Sheathing Orientation and Associated Shear Capacity

    An old engineer once told me that the staggered edges used in a vertical layout provides better racking resistance. I always figured, if it matters for diaphragm shear.. it matters for shearwall shear. But NDS T 4.3A footnote 2 states the values for shear can be increased...... if ..... the...
  16. JLSE

    APA 303

    I'm working with a builder who wants to substitute the typical, never before questioned, performance rated shearwall sheathing with APA 303 plywood. From what I have been able to tell, Form E30 from APA says it qualifies for PS-1 (2007), but its a one-liner and I have found nothing that...
  17. JLSE

    Wood shear wall compression chord

    To maintain the simplified and conservative design approach of a plywood shearwall..... The wall needs to be considered as rigid and having a pivot point about the edge of compression member. If after considering the dead weight, the wall end uplifts... then you have to consider the wall as...
  18. JLSE

    HSS through bolt connection

    A coupler nut, could have been used to utilize the continuous rod. A separate connection above or below the HSS, could have been used. Alternatively, a weld could have easily connected rods. Its not like its the engineers fault because they should have known the contractor would do it this...
  19. JLSE

    Shop Drawing Review Question

    Don't you usually stamp general conformance anyway? Would it hurt, just to verify the design criteria, member spans and supports, and stamp it if good?
  20. JLSE

    Residential Slab-on-Grade Crack Control

    I have a set of spec's that covers a lot of it... max spacing, max aspect ratio. Typical details to address some unique areas... like corners, columns. But the best note I have is a sheet note that requires the contractor to submit a joint layout plan for approval. This, in addition to a general...

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