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Recent content by buening

  1. buening

    High Voltage Clearance and Existing Steel Column - Concrete Encasement of Column?

    Thanks for the response! This area is in a pit of a manufacturing plant where floor space adjacent to the cabinets are a premium (and this is the only column in the pit), so building a separation wall may get in the way unless the wall doesn't have to be all that long. The column is 10' tall...
  2. buening

    High Voltage Clearance and Existing Steel Column - Concrete Encasement of Column?

    I'm still trying to get info on this cabinet (voltage), but I have a project that has an existing steel column where a high voltage electrical cabinet (20' long x 8' wide x 6' tall) is to be installed on the concrete slab in the vicinity of the column. The manufacturer of the cabinet states a...
  3. buening

    Large lateral loads in PEMB without frame ties in Seismic Category D

    Throwing this out there to see if anyone has any other ideas or suggestions. We have a pre-engineered rigid frame metal building that has a 200' clear span, which results in some pretty high thrust forces at the base of the columns (90k). The building will be on large (11'x11') spread footings...
  4. buening

    ACI 318-05 versus 318-02

    I'm trying to be realistic here. We are a transportation firm, therefore I'm a bridge designer. We don't use many of the building codes, and we've already dumped a small fortune in current building codes in order to take this exam. Below is a list of codes needed, and now see how many are...
  5. buening

    ACI 318-05 versus 318-02

    Hey all, Are there major changes between the two ACI 318-05 and 02? I will be taking my SE I and II exam this fall and they require the 05 code. I have the 02 code, and they just released the 08 code. Buying the outdated 05 code at full price just for the test is not something I'm fond of...
  6. buening

    LRFD BRIDGE BOOKS

    Sorry if it was confusing. My first response was strictly with the Chen/Duan Bridge Engineering Handbook regarding being about 95% metric. My second post has the overall index for the Bridge Engineering 2nd Edition by Tonias/Zhoa as well as Design of Highway Bridges An LRFD Approach by...
  7. buening

    LRFD BRIDGE BOOKS

    To follow up, here is the basis of the Index for each book: Design of Highway Bridges 1. Intro to Bridge Engineering (42 pages) 2. Aesthetic and Bridge Typse (66 pages) 3. General Design Considerations (46 pages, goes into Limit states and development of LRFD) 4. Loads (62 pages)...
  8. buening

    Pile group lateral resistance

    Other can correct me if I'm wrong, but you will need to determine the approximate point of fixity for the piles. This varies from region to region, but in my area (Illinois) I believe we use around 6-10' below the abutment cap. This assumes that the abutment cap is at or below existing ground...
  9. buening

    AASHTO Bridge Design 4th edition vs. 3rd edition Differences

    I also have the list for the 2005 and 2006 interims, but not the actual changes. See attached:http://files.engineering.com/getfile.aspx?folder=bc7619e7-b6be-4dfb-987d-c47e6f0f7a35&file=ABBR_US_3I1.pdf
  10. buening

    LRFD BRIDGE BOOKS

    I know one thing, don't get the Bridge Engineering Handbook by Chen/Duan. Darn thing is all metric and unfortunately I found this out once it arrived. Pretty much $200 wasted for that enormous book. I have both books mentioned above, but I haven't gotten very deep in them yet to comment.
  11. buening

    AASHTO Bridge Design 4th edition vs. 3rd edition Differences

    I am in the same situation here. I have the 2004 LRFD code but we did not purchase the interims because IDOT did not convert to LRFD until October 2008. So I have the code but not the interims. I received the attached PDF from AASHTO that shows the articles that were changed or deleted...
  12. buening

    Structural Engineering Skills

    I guess I can appreciate my company because I do both buildings and bridges. I'll go from a typical bridge to a smaller single story building project and then maybe to a retaining wall design or a building retrofit. Keeping up with codes is definitely my challenge, as I have to know where to...
  13. buening

    Slab on Grade with Tank Slab

    Thanks for all of your help. This tank is shoved in the corner of the building. I planned on having a perimeter footing below the prefabricated building walls, typical of all slab on grade designs. If I were to have a floating slab with footings, there would be two footings side by side on two...
  14. buening

    Slab on Grade with Tank Slab

    I was asked to do a slab and footing design for a building addition that will house a 4300 gallon equalization tank. The addition is 14'x20' and the tank takes up part of the building with a footprint of 8'x12'. The architect proposed a 4" concrete pad atop the building's slab. My supervisor...
  15. buening

    illinois licensing

    Yep, we stamp pretty much anything that requires structural calculations. Assuming this is structural plans, he will need and SE stamp licensed in Illinois. As far as I know, Iowa doesn't require an SE license to do structural work in Iowa. He would have to pass the SE exam in Illinois to do any...
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