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Recent content by BatMan

  1. BatMan

    Column Base plate weld (Ordinary moment frame)

    thanks for the feedbak folks. Really appreciate it.
  2. BatMan

    Column Base plate weld (Ordinary moment frame)

    How does physical weld prep look like for this gouge/backing weld with flush, especially through the weld access at the column web? Which weld may be more economical/better performance between the two...
  3. BatMan

    EOR & Shop Drawing Preparer

    Does anyone find it odd that an engineer-of-record submitted a detail to owner and turns around and gets the same job by the fabricator to do the shop detail? Is there a conflict here?
  4. BatMan

    Concrete crack

    I'm trying to find out general location and shapes of cracks in the foundation due to freeze/thaw, corrosion or even carbonation. The cracks that I'm seeing is a shallow footing with cracking all around at around 3~4" above grade. It seems like cracks/separation is happening at concrete covers...
  5. BatMan

    Ansys Mesh Export to other formats

    I'm new to Ansys, and wanted to use its meshing capabilities to generate proper mesh, then export in stl, iges or other formats so other software can read the mesh info. I typically use a FE software called SAP2000, but meshing is horrible on this. The elements I'd like to generate mesh are...
  6. BatMan

    Base Plate Hole Sizes - Cantilever & Moment Frames

    Thank you JAE.
  7. BatMan

    Base Plate Hole Sizes - Cantilever & Moment Frames

    AISC Design Guide 1 lists recommended hole sizes of the base plate with respect to anchor rod sizes. These are much larger than AISC 360. My questions is if the hole sizes of the base plate is that much larger than anchor rods to accommodate tolerances and erection, should the base plate be...
  8. BatMan

    T-Beam Fixity single span

    Random question, but if a single span T-beam is casted in place, wouldn't this likely be detailed as fixed? Unlike precast girders, isn't it typical practice to develope top steel for cast in place beams or is it not always the case?Thank you for input.
  9. BatMan

    Tall Cantilever Retaining Wall - Sliding Resistance

    Wow, alot of good inputs. Thank you all.
  10. BatMan

    Tall Cantilever Retaining Wall - Sliding Resistance

    Hi all, Doing a 24-ft tall cantilever retaining wall with limited heel length (<5-ft due to prop. line). So this requires huge toe length (over 10-ft) and deep key at the bottom of the footing for sliding (4-ft). Now, this just seems a bit excessive and feel like I need to start looking at...
  11. BatMan

    Moment Connection: WF Column &amp; HSS Beam

    Appreciate providing the details. I think the first one with end plate might work for me...
  12. BatMan

    As-Built Plan Record (Local Authorities)

    Just curious... Do local state Dept of Transportation store as-built plans of bridges? For buildings, it'd be stored by county assessor (never had luck finding one though).
  13. BatMan

    Moment Connection: WF Column &amp; HSS Beam

    I've been looking at different schemes to do a moment connection between a WF column to HSS rect/square beam (both sides of column). A bit of odd case here. It will be treated as a OMF (not a pre-qual connection). I'm trying to solicit some ideas as all I can come up with is using a welded plate...
  14. BatMan

    Foundation Settlement &amp; Raft on Piles

    Dealing w/ high water table with moderate seismicity here.. Geotech recommended using a raft on pile to bedrock at 40-ft below grade (some at 80-ft) 1. When does it trigger for geotech to recommend using piles over a mat foundation? If a mat settles one or two inches over a large area relative...
  15. BatMan

    Response Spectrum - Member Forces for Design Check (Tension only Element Brace and Column Force)

    Some advise needed here.... A braced-frame consists of tension-only element. Now, the analysis was done with Response spectrum method. Since the response spectrum method is linear analysis and the brace was modelled with beam-element having zero compression limit (requires non-linear analysis)...
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