CSEllc Structural 21 Jan 04 0013. From wood concrete and steel joists.
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VOBS Typcally the poured gypsum deck is about 2 to 3 thick not 12 as you previously mentioned and is supported by bulb tees.
. Grout is poured into voids between the plank edges and sub-purlins. Every two feet or so you should see the bottom flange of the bulb tee running perpendicular. 218 Bulb Tees Bulb Tees are high strength lightweight steel sections used as structural sub-purlins in specialty roof decks such as Tectum Wood plank poured Gypsum decks and Span-Rock Gypsum plank decks.
DESIGN GUIDE Residential PEX Water Supply Plumbing Systems Prepared for Plastics Pipe Institute Inc PPI 105 Decker Court Suite 825 Irving TX 75062. NEBT Northeast Bulb Tee Post-Tensioned Design Guidelines 2278kb PDF File This report covers design detailing and construction specifications for post-tensioning and splicing of the New England Bulb Tee NEBT girder. The New England bulb Tee has been specifically designed and approved for use throughout New England.
FLOOR FRAMING With a large variety of structural steel floor-framing systems available designers frequently investigate. Provide 16 mm 58-inch minimum bearing for gypsum planks. When standard wont do we create custom precast concrete components to solve any challenge.
Bulb Tees also make excellent bond beam for anchoring structural members providing a continuous strip for attachment and reinforcement. The clear long spans along with life cycle costing. Fabricate from cold-formed steel wire.
Utilize lightweight high-performance concrete HPC to reduce deadload. 22 GYPSUM CONCRETE ROOF DECKING Figure 2. Gypsum roof deck on bulb tees that began over 70 years ago.
Many of the benefits of these girders come from the versatility of the deck. Reinforcing mesh for gypsum concrete is one of the following types. According to Fields Corp the compressive strength of the gypsum is 500 psi.
Splicing of the girders allows for longer span lengths and the elimination of intermediate bridge piers. Decked bulb tee girders are a versatile long span girder that incorporates the benefits of both an I girder and a precast slab deck. 218 Bulb Tee sub-purlins are the only size currently manufactured and are available from The Poteet Group.
Next came lightweight insulating concrete LWIC over galvanized form deck which fol-lowed some years later and has now been around for 60 years. Poured gypsum concrete is typically used in conjunction with steel bulb tees formboards and galvanized reinforcing mesh Fig. Feb 28 2016 - Bulb Tees are high strength lightweight steel sections for use as structural subpurlins in specialty roof decks such as Tectum Wood Fiber Decks Poured Gypsum Decks and Span-Rock Gypsum Plank Decks.
Fiber Decks Poured Gypsum Decks and Span-Rock Gypsum Plank Decks. The gypsum roof decking is then allowed to set and covered with a water tight roofing material. Control joints should be installed in ceilings without perimeter relief with a max-imum distance between such joints of 30 with a maximum undivided area of 900 sq.
To value-engineer a structural solution in precast concrete due to the cast and schedule of a domestic steel frame proved to be unworkable. Drainage slopes can be readily built into the roof deck by varying the thickness of gypsum. The bulb tees which are very strong vertically but quite flexible horizontally provide the long span strength.
Safety Bulletin 85 October 17 2013 Gypsum. Straight wires and 19-ga. Bulb Tees also make excellent bond beam for anchoring structural members providing a continuous strip for attachment and reinforcement.
Gypsum planks are then installed and placed on sub-purlin flanges. CEG teamed with Prestress Services Inc. Cross tees are placed to support the end joints of the planks.
1501 WESTPORT ROAD. The mixture is then cast on formboards. Bulb Tees also make excellent bond beams for anchoring structural members providing a continuous steel strip for attachment and reinforcement.
Cross tees are placed to support the end joints of the planks b grout is poured into voids between the plank edges and subpurlins the gypsum roof decking is then allowed to set and covered with a water tight roofing material 22 gypsum concrete roof decking figure 2 221 gypsum concrete is mill formulated and composed of calcined gypsum. Open web truss-tees hot-rolled bulb-tees or folded sheet metal tees as required by design loads spans and fire ratings. Bulb Tees also make excellent bond beams for anchoring structural members providing a continuous steel strip for attachment and reinforcement.
They also anchor deck against uplift forces restrict deck movement due to temp changes and provide lateral bracing for roof structure. This type of deck is produced on the job site by combining gypsum with wood fibers or mineral aggregates and water. Galvanize or factory coat sub-purlins with manufacturers standard primer.
The gypsum concrete which spans tee to tee. These girders are typically used for vehicle bridges and can range in length from as small as 40 up to 160. Industrial construction challenges span far and wide and so do our precast concrete framing solutions.
Company Gypsum Construction Guide. Provide 16 mm 58-inch minimum bearing for gypsum planks. These girders are designed with a universal form configuration available in 5 sizes depending on the loads spans required and site conditions.
What you see from the bottom appears to be like a drywall material. Nov 17 2014 - Gypsum concrete construction -Bulb tees are used as structural sub purlin. The poured gypsum roof deck consists of steel bulb tees a form board usually composed of gypsum or fiberglass wire reinforcing mesh and the gypsum concrete.
Bulb Tees are high strength lightweight steel sections used as structural subpurlins in specialty roof decks such as Tectum Wood plank poured Gypsum decks and Span-Rock Gypsum plank decks. The main roof consists of 108 bulb tees carried by 30x54 girders and 30 columns together creating a 65 high audience hall above stage level. New England Bulb Tees OSCO Construction Group.
Make use of precast elements such as double I-girders deck bulb tee precast box beam adjacent bulb tee inverset modular bridge deck units and concretesteel beams with a full-depth precast deck. Galvanize or factory coat sub-purlins with manufacturers standard primer. I have generally seen the tees spaced about 30 to 36 on center.
Employ polymer concrete for. They are fastened to primary framing and provide support for form boards that receive gypsum concrete. Innovative precast structural concepts meet the myriad of industrial construction requirements including heavy loadings and long free spans.
Structural concrete decks can either be cast-in-place post-tensioned or precast tees double tees. It has a gypsum form board on the bottom sitting on the flange of a bulb tee. Chicken wire is draped over the bulb of the bulb tee then the gypsum concrete is poured over the top.
It was produced by several manufacturers such as United States Gypsum Co Bestwall Company and Georgia-Paciic Corp. KANSAS CITY MO 64111 PH. Ø KEYDECK--A galvanized wire mesh woven with 16-ga.
Open web truss-tees hot-rolled bulb-tees or folded sheet metal tees as required by design loads spans and fire ratings. Gypsum concrete roof decks are lightweight set rapidly 30minutes.
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