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  1. StructuralAddict

    ASCE 7-16 Anchorage of Structural Walls

    Thank you so much for the clarification!
  2. StructuralAddict

    ASCE 7-16 Anchorage of Structural Walls

    Thank you for your clarification, that's very helpful. I have follow-up questions if you don't mind: 1- my understanding is that Clauses 1.4.1 (Load Path Connections), 1.4.2 (Lateral Forces), 1.4.3 (Connection to Supports), and 1.4.4 (Anchorage of Structural Walls) are all general stability...
  3. StructuralAddict

    ASCE 7-16 Anchorage of Structural Walls

    Clause 1.4.4 of ASCE 7-16 states that "The connections must be capable of resisting a horizontal force at the strength level, perpendicular to the plane of the wall, equal to 0.2 times the weight of the wall tributary to the connection, but not less than 5 psf". I would appreciate some...
  4. StructuralAddict

    Slip Critical Connection

    Yes, this is performed when shoring the girders is not feasible in order not to block the traffic under the bridge. The girder is reinforced while a portion of the bridge remains operational.
  5. StructuralAddict

    Slip Critical Connection

    Please refer to the sketch below on a case where the filler plate with big holes is used. Sometimes, the fillers are used with big holes (assumed as slotted holes) to reinforce existing built-up girders. This is done by adding a filler plate having a thickness exceeding the rivet head thickness...
  6. StructuralAddict

    Slip Critical Connection

    Hi, The bolt slip resistance in slip-critical connections is Rn/Ω = [μ Du hf Tb ns /Ω] per Eq. J3-4 of AISC 360-16. For the splice shown below: (1) What should I use for (hf)? Is there one filler between the connected parts (hf = 1.0)? Or are there two fillers between the connected parts (hf =...
  7. StructuralAddict

    Slip Critical Connection

    Hi, The bolt slip resistance in slip-critical connections is Rn/Ω = [μ Du hf Tb ns /Ω] per Eq. J3-4 of AISC 360-16. For the splice shown below: (1) What should I use for (hf)? Is there one filler between the connected parts (hf = 1.0)? Or are there two fillers between the connected parts (hf...
  8. StructuralAddict

    Slab-on-Ground

    Thank you; so the occupancy load directly supported on the slab on grade (like people, furniture, non-bearing walls, partitions, fixtures) are not considered as "vertical loads" to be transmitted by the slab. As such, the Code does not apply to the design and construction of such a slab on...
  9. StructuralAddict

    Smooth vs Deformed Wires

    Section 20.2.1.1 of ACI 318-14 states that "Nonprestressed bars and wires shall be deformed, except plain bars or wires are permitted for use in spirals." However, I saw in many projects that they use welded wire mesh with smooth wires in concrete toppings and composite metal decks. Is the use...
  10. StructuralAddict

    Slab-on-Ground

    Section 1.4.7 of ACI 318-14 states the following "This Code does not apply to design and construction of slabs-on-ground, unless the slab transmits vertical loads or lateral forces from other portions of the structure to the soil." Could someone please explain to me what is meant by vertical...
  11. StructuralAddict

    Response Spectrum Scale Factor

    Thank you Just Some Nerd. I found this article which provides two methods for determining and assigning the scale factor. I believe the second method is what you referred to. https://www.thestructuralworld.com/2019/05/24/2-methods-on-how-to-scale-base-shear-in-etabs/
  12. StructuralAddict

    Flange Splice per AREMA

    Thank you, much appreciated.
  13. StructuralAddict

    Flange Splice per AREMA

    I appreciate your quick reply. I tend to share the same interpretation of this AREMA requirement. I'm curious if there is any documentation in AREMA or other relevant sources that offers a precise definition of the "elements" in a bolted built-up girder. I need to cite this information in the...
  14. StructuralAddict

    Flange Splice per AREMA

    In AREMA, there is this requirement about splicing the flange of a flexural member "No two elements in the same flange shall be spliced at the same cross section". So, for a bolted built-up girder whose flange consists of 3 cover plates: my question is what is meant by element? Like are all 3...
  15. StructuralAddict

    Anchoring into Stone/Marble

    I believe it's a good question for Hilti Technical support. I believe they should be able to answer this.
  16. StructuralAddict

    Structural Walls Design

    Thank you
  17. StructuralAddict

    Sorting Load Combinations

    Thank you, but unfortunately, it didn't work as I couldn't see the load combinations in there as well.
  18. StructuralAddict

    Response Spectrum Scale Factor

    ...be adjusted such that the response-spectrum base shear matches 85% of the static base shear. In this case, the new scale factor would be (I g / R) * (0.85 * static base shear / response-spectrum base shear). Analysis should then be rerun with this scale factor specified in the...
  19. StructuralAddict

    Sorting Load Combinations

    Hi, Is there a way in SAP2000 to sort the load combinations? The load combinations are always sorted by the time I added them. However, I want to sort them alphabetically based on the combo name I provided. I'm using SAP2000 v.23.3.1. Thanks.
  20. StructuralAddict

    Structural Walls Design

    In ACI 318-14, the commentary to Section 11.3.1.1 states the following: "The minimum thickness requirements need not be applied to bearing walls and exterior basement and foundation walls designed by 11.5.2 or analyzed by 11.8." So, does this mean that the minimum wall thickness requirement is...

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