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  1. bouk715

    In-place mortar shear tests

    I'm working on a project in Massachusetts where the architect is proposing to gut the entire building (5-story building). Building construction generally consists of multi-wythe brick walls with wood-framed floors and roof. Per Massachusetts amendments to the 2009 IEBC, since this is Level 3...
  2. bouk715

    Radiant heat in concrete on composite deck

    Does anyone know of design guidance for composite slab and composite beam design to incorporate radiant heat tubing? I'm having some trouble finding any design examples/tech notes online. We are designing a floor system with concrete slab on composite metal deck supported by steel beams. The...
  3. bouk715

    Insulrock Roof Deck

    We're in the preliminary stages (schematic design) of a building renovation. I have existing drawings for the building dated 1964. The architect is proposing to put large roof-top units on the structure surrounded by a screen. The screen area is large enough that it will increase wind loads...
  4. bouk715

    Masonry Design LRFD vs. ASD

    I know this topic has been discussed before, but I just wanted to touch on it again... I'm working on a building project that utilizes CMU shear walls for lateral stability. The walls have large overhead doors, so the piers between are not especially long. The shear walls were designed using...
  5. bouk715

    Out-of-plumb anchor rods

    I have a project where some column base anchor rods embedded in a concrete wall are out of plumb (noticeably at an angle). I looked in AISC Design Guide 1 and it seemed to suggest that as long as the column base plate holes could fit over the anchor rods, it's not much of an issue. If it does...
  6. bouk715

    Raised Floor System

    I'm working on a project where the client would like to have a raised floor area (roughly 2 feet tall or less) constructed with a concrete slab on foam. The project is a renovation, so the foam would be placed on an existing 4" concrete slab. I'm looking for any information (design guides...
  7. bouk715

    BOCA Basic Building Code

    Anyone know where I can find old editions of BOCA online or in print? I'm trying to get a preliminary idea on what snow and wind loads a metal building in Massachusetts may have been designed for. Property records say it was built ~1958, which pre-dates a state wide building code. I believe...
  8. bouk715

    Frozen concrete

    I'm hoping that someone here will be able to shed some light on this topic... We have a project currently in construction here in the northeast. Like most of the country, we've had some very cold temperatures the last few days. The contractor placed a concrete foundation wall early last week...
  9. bouk715

    Snow load on lattice/mesh roof

    I'm working on a project where the architect would like to have a canopy with a lattice-style roof. The "lattice" would consist of 1"x1" steel bars welded in a 1-foot x 1-foot square pattern. So basically there will be a series of 11"x11" openings throughout the roof. My question is, should...
  10. bouk715

    LVL flat-wise bending

    Has anyone come across material properties for standard LVL plies (Microllam or similar) with load applied to the wide face? Specifically I'm looking at an exterior header application in a high wind area, so some of the wall wind load will be transferred to the header. Weyerhauser has...
  11. bouk715

    Lightweight Concrete Slab

    My firm is working on a project for a new single-story building founded on timber piles. Essentially, the first floor will be a two-way slab supported along the interior with single piles and along the exterior with grade beams and pile caps/pile groups. We're exploring ways to reduce the...
  12. bouk715

    Historic Mill Building Beam

    I'm hoping someone here can shed some light on a framing system I saw in a mill building recently. The mill is located in the Northeast. Bascially, the beam/girder consists of two 3x or 4x members with a tie-rod in the middle. The tie rod projects well below the wood members (say up to 2' in...
  13. bouk715

    Out of Plumb Column

    A 3-story steel framed building that I designed is currently in construction. Lateral resistance for the structure are braced frames. We were called out to the site because at one location, a column is out-of-plumb 3" within the first story. The column does not appear deflected over this...
  14. bouk715

    Empirical Masonry Design

    I have a question I'm hoping someone can shed some light on...I am designing a small 50'x40' structure with masonry walls and a timber framed roof (plywood sheathing/wood trusses). The wind speed and other factors are such that I am allowed by the IBC to use empirical design for the masonry...
  15. bouk715

    Shear wall fixity

    I am hoping someone can clear this up for me... Let's say there is a 2-story building with a concrete-filled diaphragm 2nd floor and metal deck roof. Shear walls span from floor-to-floor and are connected to the underside of the steel floor/roof beams. Are the shear walls designed as fixed...
  16. bouk715

    Drag beam connection

    When detailing a connection between a steel drag beam and an adjacent braced bay, what type of connection is preferred? I suppose a typical double angle connection could be used, but the prying action on the tension side could become a problem. The columns are tubes...could a rectangular shear...

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