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  • Users: strucguy
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  1. strucguy

    Concrete Design reference book based on ACI 318 Metric

    Anyone aware of reference book on Concrete Design based on ACI 318 Metric version. I am trained in US customary units but will be involved in a project that will use SI system of units. So, looking for some examples in metric version to get confortable with the units. Any suggestions would be...
  2. strucguy

    Engineering vs CAD Effort

    Hello everyone, We are a small engineering firm (about 30 employees, CAD technicians included) that offer structural engineering services for various types of projects (Residential, commercial, institutional etc). We have a policy where engineers doing their own drafting is a strict "no no"...
  3. strucguy

    Elevator Guide Rail Supports

    Good Morning The contractor on one of the jobs I am involved in is proposing to use metal studs in the shaft wall to provide support for the elevator guide rails. Has anyone seen this approach before. On all my previous projects we ended up providing steel tubes that were designed for...
  4. strucguy

    Net Uplift on Steel Joist

    When specifying net uplift pressure on steel joist, do any of you indicate design approach (say ASD) or the exact load combination (say 0.6D+W) used to arrive at that value. With SJI promoting both LRFD and ASD for the design of steel joists, isn't it misleading for the joist designer to not...
  5. strucguy

    Contractor's Stamp on Shop Drawings

    I am a structural engineer and find this incident pretty annoying. Yesterday the architect we are working for forwarded some submittals (mix designs and shop drawings etc) to us for review. Almost always we have received submittals that contained contractor's stamp indicating that the...
  6. strucguy

    Fire Rating

    For a steel framed building that uses braced bays as lateral system, is it fair to assume that the braces are not part of primary structural system from fire-rating perspective. My argument is based on the assumption that during a fire event, the building can rely on the restraint in beam-beam...
  7. strucguy

    Epicore Deck

    I am trying to find allowable cantilever lengths for Epicore 3.5 deck. Has anyone used this product before and can point me to the right direction. I already called their engineering support and I am hard time getting hold of them. Appreciate your help. Thanks.
  8. strucguy

    Marketing Pitch

    I work for a small consulting firm. After multiple calls to various architects, I finally managed to get an opportunity to meet few folks in a big Architectural firm. My boss has given me the go ahead to present our case to this prospective client. I am thinking of putting together a simple...
  9. strucguy

    Connection Design

    2010 AISC Code of Standard Practice contains the following section on how to handle connection design on steel projects. " 3.1.2. The owner’s designated representative for design shall indicate one of the following options for each connection: (1) The complete connection design shall be shown...
  10. strucguy

    3 story steel building - Column Splices

    I am designing a three story building. I see no reason to have column splices on the job as the longest column on the project will be 45 ft long, and there is no real economy in asking for a splice (was once told that typical column splice is equivalent to 500 lb of steel). But, my boss...
  11. strucguy

    Stagnant Engineering Fee

    Old article but still very relevant. http://enr.construction.com/features/bizlabor/archives/050801-1.asp
  12. strucguy

    Joints in wood buildings

    We are considering to include temporary expansion joints as outlined in the article below for an upcoming three story wood project. The building is about 80 ft wide and 300 feet long. Do these joints serve any real purpose? We have designed wood structures of a smaller scale without...
  13. strucguy

    How to deal with this ?

    I am a structural engineer and we work with architects on various building projects (commercial, institutional and residential). Trying to catch up will all the changes architects make in the last minute and having to deal with change orders from the steel sub in the aftermath has become a real...
  14. strucguy

    Joist bottom chord extension (to provide or not to provide)

    Per the language in the link below, a stabilizer plate shall be provided at each column to stabilize the bottom chords of the joists framing into the column. http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=12748 This makes sense when the primary members (i.e beams)...
  15. strucguy

    Court Rulings related to the profession of Structural Engineering

    Is anyone aware of a good resource that lists some (if not all) of the prominent court rulings related to construction industry or more specifically Structural Engineering? It would be a good means to educate ourselves about the so called good and bad practices of the profession. Thanks in advance.
  16. strucguy

    A truss designer on the project I a

    A truss designer on the project I am overseeing is trying to convince me to not make them consider the weight of partitions in their truss design based on the following excerpt from TPI publication. Has anyone run into this issue before? ANSI/TPI 2002, Section 2.2.5, “The weight of non-bearing...
  17. strucguy

    Galvanized or not galvanized??

    On one of the wood projects I am working on, the contractor is proposing to use Advance Guard borate treated lumber for sill plates, which he claims doesn't require anchor bolts be galvanized. It is our typical office practice to require galvanized anchor bolts where they are in contact with...
  18. strucguy

    Calculations, Calculation and More Calculations!!

    Why is it that I feel, we as engineers sometimes get a little too overboard in doing or asking for calculations for each and every simple aspect of design. I am an licensed engineer myself. And, I am in no way undermining the importance of design calculations in ensuring we deliver a safe and...
  19. strucguy

    Continuous Steel Beam - Stability Bracing

    Is there a way out of not having to provide stability bracing at inflection points when designing continuous beam? The AISC specification is not clear in this regard. Your input is greatly appreciated. Thanks in advance.
  20. strucguy

    Strehgthening of Existing Steel Column

    When enhancing the capacity of the existing wide flange steel columns by welding plates flush with the flanges of the column, do I need to consider any reduction in KL/R of the stiffened section for calulation of Fcr?? I am not sure as to whether the modified KL/R equation for built-up members...

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