Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: shemp
  • Order by date
  1. shemp

    Fall Protection Anchor Mounted to Standing Seam Metal Roofing

    I am a structural engineer designing a government project that requires roof mounted fall protection. The type of anchor being considered is shown in the following link. It mounts with set screws to the seams of a standing seam metal roof...
  2. shemp

    What is this structural system's R factor?

    I am designing a residential structure in SDC D. It is 2 stories. The 1st story is an open carport. 2 story steel HSS columns are used from the foundations to the roof. Wood shear walls are used at the 2nd story. There are NO moment connections at the 2nd story or roof. The base of the...
  3. shemp

    percentage of structure cost related to overall construction cost?

    A typical project for me comes in at about 17% to 22% of the total building cost. This is for a two story, steel frame, steel roof joists, shallow spread footings.
  4. shemp

    Non Load-Bearing Stud Wall as a LFRS??

    Yes, the exterior stud walls will serve as the shear walls. To resist out-of-plane forces from the wall, the studs connect to the second floor beam with a deflection clip. To transfer the diaphragm shears into the shear walls, there is a steel angle connecting the slab to the stud track...
  5. shemp

    Non Load-Bearing Stud Wall as a LFRS??

    Does anyone have experience in using a non-load-bearing steel stud wall with strap bracing as a lateral force resisting system? This system that we are considering is for a two-story building. The perimeter steel studs bypass the second floor. A non-moment-resisting steel frame is used to...
  6. shemp

    PDH's

    gostructural.com has a pdh series where you can obtain pdh's by reading an article and submitting a quiz. This quiz is graded by a sponsor, such as the Portland Cement Association. There is no cost. They currently only have 6 articles available for structural, but plan to add more. Does...
  7. shemp

    Special Concrete Shear Wall on Special Concrete Moment Frame

    I do not believe that there is any code provision preventing you from doing this. You would have to use the R factor for the special shear walls when designing the special moment frames per IBC 2003 section 1617.2.3.1. Similarly you would you the greater overstrength factor of the two which is...
  8. shemp

    Column Lap Splice Seismic Requirements

    I believe you are correct in that there is an inconsistency in the two methods. It appears that this issue was brought up during the public review period for ACI 318-05, however it was not resolved. The committee said it will consider revising the section for the 2008 version. I find it...
  9. shemp

    AISC fabricator certifcation

    This happened on one of my recent projects. It ended up causing a delay of a month or two because our client basically did their own version of a quality audit for the fabricator. In no way, however, was it as stringent as the requirements for AISC certification. Has everyone seen the...
  10. shemp

    Pan Joist question

    Thanks JAE. Gosh, wouldn't it be nice if the index of ACI 318 under "joists" actually referenced those sections that involved joists??? Wonder why with wood design you get a 15% bonus in flexural strength for repetitive members but nothing for shear. And in concrete design you get a 10%...
  11. shemp

    Special Inspection Guide Spec?

    Section 01452 of Unified Facilities Guide Specifications covers special inspection. http://www.ccb.org/docs/ufgshome/UFGSToc.htm Unfortunatly it still references older codes such as FEMA 302 and TI 809-04. The lists of items requiring special inspection are quite close to current IBC items...
  12. shemp

    Pan Joist question

    Section 8.11.4 of ACI 318-99 says, "joist construction not meeting the limitations of [monolithic construction and certain rib width, depth, & spacing limitations] shall be designed as slabs and beams. What exactly are the differences between the design of slabs & beams vs. joists? I see in...
  13. shemp

    Ss & S1 USGS 2002 Long & Lat values

    I don't think there's anything in the IBC that says you can or can't use the newer maps. There are some situations where using a newer code can cause coordination problems. But in this case, the newer maps simply reflect new research, not a new design methodology. All of the government...
  14. shemp

    Load Duration

    ACI 530 does allow the 1/3 stress increase, but the increase is only applicable to the load combinations used in ACI 530. The only way you would be using these load combinations is if the "legally adopted building code does not provide load combinations" (ACI 530, 2.1.2.1). If you are using...
  15. shemp

    Seismic Site-Specific Analysis Info, please

    Thanks JAS, that's very helpful.
  16. shemp

    ibc 2000 referencing aci318-?????

    scherry, The IBC 2000 does modify ACI 318-99. See section 1908 "Modifications to ACI 318." shemp
  17. shemp

    Steel Moment Frame connections

    I should have been more specific. I don't have the 2003 IBC, so I was referring to the 2000 IBC and the 2002 Accumulative Supplement. Here's the link in case you're interested, but considering it's outdated, you're probably not interested! http://www.iccsafe.org/dyn/prod/3001SP02.html...
  18. shemp

    Steel Moment Frame connections

    Because you are looking at FEMA 350, I assume you must be in a high seismic area with a seismic design category of D or above. If you are, then it is my understanding that you are not allowed to use an ordinary moment frame. The supplement to the IBC modified Table 1617.6 so that OMF's are...
  19. shemp

    Blast Design Advances

    maiorano, Information about the seminar can be found at www.BakerRisk.com Click on "courses & training."
  20. shemp

    Formulae neded..

    popabf, FEMA 273 has been updated and superceded by FEMA 356. You can download it at: http://www.degenkolb.com/0_0_Misc/0_1_FEMADocuments/fema356/ps-fema356.html P.S. 273 and 274 (Commentary) were combined to make FEMA 356. The commentary in 356 is a somewhat annotated version of 274. For...

Part and Inventory Search

Back
Top