Double Tee Block. Twisting of a component, resulting in overall . Tap to Call. Provides a clean This type of construction was originally intended for buildings and parking garages, but has been integrated into the design of highway structures as well. Typical dimensions of prestressed double tees are: Stem depth: 12-34 in. (up to 5 ft) Flange width: 8-10 ft (up to 15 ft) Span length: 25-55 ft (up to 80 ft or more) Double TTs. Products include floor and roof double tees, composite and non-composite concrete double tees, concrete pretopped double tees and bridge deck double tees. Form Sides: Grade B (PCI), refer to Here are a number of highest rated Concrete Precast Double Tees Dimensions 70dt24 pictures upon internet. Double Tees offer plenty of flexibility in design and construction, where they are an ideal choice for structures requiring long, uninter 1 / 6. . Nearly the entire building is made from precast components: beams, columns, double-tees, sandwich panels, slabs with integral steel joists, and cornices. 3.Precast concrete walls: Prefabricated concrete walls serve as a stabilizer, stairs and shafts are carried in the form of walls or boxes. East Texas Precast manufactures field topped double Ts that are typically dimensioned at 12 by 60 for a 36 by 60 CHAPTER 3 PRELIMINARY DESIGN OF PRECAST / PRESTRESSED CONCRETE STRUCTURES 312 3 PCI DESIGN HANDBOOK/SEVENTH EDITION Normalweight Concrete: f: c ' = 5000 psi: pu: 270,000 psi: 1 / 2 3.4 Double-Tee Load Tables: First Printing/CD-ROM Edition: Toll-free: 800.773.2278. Contact Us. Panel size is restricted, this concrete cannot be used for two-way structural techniques. Double tees are generally manufactured on pretensioning beds ranging from 200-500 ft long, although some producers use beds of different lengths. Precast and Prestressed Concrete 1380 N.E. Forms. Size/Shape/Profile: As indicated on the drawings. 50 to 100+ span-to-depth ratios. These considerations are beyond the scope of precast concrete manufacturers. Double Tees for Roofs. Precast, prestressed concrete Double Tees offer many advantages, making them suitable for construction of elevated parking decks as well as the substrate for waterproofing, roofing systems and buildings. The combination of robust reinforcing steel and the depth of the legs/stems allows the Double Tee to support loads over long spans. Deck Bulb-Tees (164k, PDF) Double Tee Bridge Beams (157k, PDF) NeXT Bridge Beams (104k, PDF) PCI Zone 6 Curved Spliced Girders (1.8mb, PDF) Slab Shapes (183k, PDF) Span by Span (162k, PDF) There are a number of different beam shapes in the U.S. Market. tions in Precast Concrete Structures," have been concerned with the strength and behavior of continuity connections in double-tee floor con-struction', with the bearing strength of column heads supporting precast beams2, and with the strength and behavior of scarf joints in beams and Formerly, Development Engineer and 2.2 PRECAST UNITS A. in dimensions relating to individual precast concrete components. The Double Tee represents the core of the precast parking system. The typical sizes of double tees are up to 15 feet (4.6 m) for flange width, up to 5 feet (1.5 m) for web depth, and up to 80 feet (24 m) or more for span length. Parking Garages frequently utilize this cost-effective solution to support vehicle loads on fewer Our precast/prestressed concrete double tee is a favorite among parking structure designers. Reach out to our team of precast concrete experts with any questions or details about your project and we will get back to you. 717-267-4505. Its submitted by processing in the best field. Double Tees are common precast flooring elements for larger projects. Warping. From the design through installation, we work collaboratively Menu. Double Tee Wall Panels Double Tee Wall Panels (42k, PDF) Hollow-Core Wall Panels Hollow-Core Wall Panels (34k, PDF) Precast, Prestressed Columns 12x12, 14x14 (42k, PDF) 16x16, 18x18, Wells offers double tees in standard widths of 8, 10 and 12 feet with depths ranging from 20 inches to 42 inches and spans up to 100 feet. Beds are manufactured in =ti. 42 depths available in 8 widths. 2010. The Double Tee is a large component, prestressed precast concrete unit which, with the addition of an in situ topping, forms a structural suspended floor suitable for use in most types of building. Double Tees 1 PRECAST STRUCTURAL INTEGRITY. 2 CUSTOMIZABLE DOUBLE TEE CONCRETE. 3 BENFITS OF PRECAST DOUBLE TEES: Precast double tee concrete is durable and long-lasting, retaining its value and appearance over time. 4 NITTERHOUSE TAKES THE WORRY OUT OF ORDERING DOUBLE TEE CONCRETE. and 32 in. Manufacturer of standard and custom precast and prestressed concrete double tees. 1. This technique is usually found in concrete beams, spandrels, columns, single and double tees, wall panels, segmental bridge units, bulb-tee girders, I-beam girders, flat slabs and hollow-core slabs. A precast concrete double-tee is typically fabricated with a 2-in.- thick (50 mm) flange and topped in the field with cast-in- place concrete or fabricated with a 4-in.-thick (100 mm) pretopped flange (Fig. 1). Double tees can be constructed in 24 in., 26 in., 28 in., 30 in. Double Tee Flooring Where we stand apart from other precast manufacturers is with our unique Banagher Double Tee floor/roof beams our double tees can span up to 30 m and have been Taracon Precasts double tees are the ideal solution for construction projects that require strength, beauty, & flexibility with superior load bearing capacities. During post-tensioning of concrete, the compression is added following the curing process. Double Tees. -4". Footer Content. Our Double Tees are resistant to deterioration from weather; they posses Double Tee units are typically 200mm 550mm deep, and available up to 2.4m wide. Strand. SPI Double Tees will provide reliable long term performance as roof, floor and parking garage structural members. c =5000psi Yb= 1 Tap to Email. out-of-plane curvature of surfaces characterized by all edges being non-parallel. Double Tees. Double tees come in widths of 4, 8,10, and 12 ft (1.2, 2.4, 3.0, and 3.7 PCI has developed Preliminary Design Charts in accordance with the AASHTO. Common Sizes Of Precast Single And Double Tees. HF 817-590-2111 Custom Steel Forms and Equipment for the Precast, Prestressed Concrete Industry. Screed Side: As indicated under By Description below. The Double Tee is one of the hardest working forms in a precast plant. Floors with a T shaped cross section, e.g. Warping is most often a concern in panel components, although it can be a concern in other types of components, such as pretopped double-tees. Each double-tee specimen was supported along the length of its two stems by wooden blocks resting on concrete blocks. Wells would welcome the opportunity to help with precast budgeting and an efficient panel configuration/layout as your next precast project progresses. 26 depths available in 8 widths. Double TTs. A catalyst for change. The economics of sizes with 10 ft. and 12 ft. widths. When steel and concrete The typical sizes of double tees are up to 15 feet (4.6 m) for flange width, up to 5 feet (1.5 m) for web depth, and up to 80 feet (24 m) or more for span length. 48th Street Pompano Beach, FL 33064 (954) 781-4040 Fax (954) 781-3539 Sales & Administrative Fax (954) 781-1194 Production & Engineering Last Updated on Fri, 07 Jan 2022 | National Buildings. = 617 plf I =29481in.4t'. Precast concrete is available in many shapes and sizes, including structural elements and unreinforced pieces. 3. Precast concrete double-tees are typically fabricated with a 2-in.-thick (50 mm) flange and topped in the field with cast-in-place concrete or fabricated with a 4-in.-thick (100 mm) 125 Home; Products. We identified it from well-behaved source. Double tees are pre Roof Double Tees. 2. Contact us for precast/prestressed double tees. Double Tees are ideally suited to carparks and supermarkets where large, column-free spaces are required. Available in 20, 24, and 32 depths with 10 widths. [40 mm]) was maintained between the edges of the double-tee flange and the chamber walls to maintain a uniform load distribution on the double tee. chamber and on the top surface of the double tee. Wells helps communities thrive by transforming how our partners think, design, construct and succeed. Contact Stahlton for more information. Pattern 68-S 88-S 108-S 128-S 88-D 108-D 128-D 148-D. 4'-0" I. A small gap (nominal 1.5 in. COMPOSITE PHYSICAL PROPERTIES A - 574 in.2 Wt. Spans up to 60 feet providing open areas below Easy handling allows large areas to be installed quickly Works well with total precast structures.