1.72. However, if the dowel bars are too short, the stress at the face of joint is increased resulting in concrete crushing. Dowel Bars can be supplied in various diameters with sawn end to specific lengths. Country of Origin : Made in India : Minimum Order Quantity : 1 Piece : Product Description. We hold stock of the majority of the dowels we offer or can manufacture dowel pins to a customer drawing or specification. They are often used with Rebar construction and laid across mesh. Dowel bar is generally supplied with a 0.2% proof of 250 N/mm² and a UTS of N/mm². These ASTM A615 Grade 60 Steel Dowel Bars are used to carry out the transmission of load from one block to another, at the same time letting the axial thermal development alongside with the axis of dowel. Precon Products, A leading national independent supplier of construction products The contractor provides coring at each end of one dowel. Product Specification. On the other hand, regarding the length of dowel bars, it should not be too long because the induced stress at the end of long dowel bars is insignificant and is not effective in transferring loads between adjacent concrete panels. Dowel bars are round steel bars (not torr steel). D-Bar is designed for coating dowel bars in concrete roads, airfield joints and floor sections and is based on bitumen having a penetration between 100 and 200, blended with hydrocarbon solvents. 20 x 500mm Dowel Bar Mild Steel. These dowels are designed to be cast into concrete to improve strength. Discounts ⦠What is a dowel? A 20mm dowel bar cap will fit over a 20mm reinforcing bar. Bars complying with BS 4449:1997 [Specification for carbon steel bars for the reinforcement of concrete] or other high tensile bars shall not be bent after placing in the Works. The Specifications are checked to determine the number of pins required for the different length assemblies. Item Code. 7-4 Figure 7-3. The dowel bars are usually of 32 to 38 mm diameter, 460mm long, and spaced at a distance of 305mm apart from each other. Code Product Name Price Qty; DBC12/100: 12mm Expansion Dowel Caps: £0.84. Baskets with ^A, V _, or ^U _ style legs provide 24 more welds and approximately 12 ft (4 m) more wire in the frame than baskets designed with ^J _ legs. Rebar and Dowel Bar Stainless steel rebar and dowel bar manufactured in accordance with BS 6744 supplied cut and bent in accordance with BS 8666. Dowel rod sleeves are manufactured from high grade flexible PVC, and are designed to easily slip over the steel dowel rods to create a tough and durable debonded joint. ACPA Guide Specification | Dowel Bar Alignment and Location November 2018 | Page 4 of 18 Another factor to consider for basket rigidity, especially if shipping tie wires are cut, is the style of basket legs. Our dowel bars conform to BS 13877 part 3 as detailed in the Highways Agency Series 1000 Specification for Highway works Clause 1011 Dowel Bars. Dowel bar inserters are automated attachments to slipform pavers that allow the paver to insert transverse joint dowel bars as part of the slipform paving process. Round Dowel Sleeves Dowelsert â Reid⢠Reid⢠Dowelsert Round Dowel Sleeves supplied by InfraBuild Construction Solutions (formerly LIBERTY OneSteel Reinforcing) are designed for a variety of steel reinforcement applications. CONFIX 1 CONFIX 2 CONFIX 150 Polyester Resin A high performance, fast curing two-part chemical anchoring system based on unsaturated polyester resin in vinyl-toluene monomer. The dowel deflection, bending moment and shearing were analyzed for dowel bars under the traffic loading, dowel length based on the second inflexion distance was computed and a relationship between dowel length and dowel diameter was established. There are measures in the special provisions to handle misaligned dowel bars. 3.1 saw -cut the edge of the existing slab according to the specification, using the appropriate equipment 3.2 prepare the unsawn section of the exposed slab edge according to the specification to form a support using steel dowel bars 3.3 place the slip membrane in position and overlap it The theoretical analysis found that the dowel length in Chinese specification is conservative. Dowel bar is a terminology used in concrete pavements in general. Steel Dowel Bars (12mm) are available from us in numerous lengths; please see the drop down menu for full details. Mild Steel Dowel Bars. Each. Coated Grade 250 bars may be bent to radii not less than BS 8666:2000 [Specification for scheduling, dimensioning, bending and cutting of steel reinforcement for concrete]. DBC20/100: 20mm Expansion Dowel Caps: £0.96. Tel: 0161 790 8635 Fax: 0161 799 7083 Web: kbrebar.co.uk. 20 x 400mm Dowel Bar Mild Steel. 1.52. We can supply and manufacture dowel pins in mild steel, brass, stainless steel 303 and stainless steel 316, as well as Hardened & Ground Steel. All coatings comply with DOT specification. ⦠Dowels perform the important job of load transfer between adjacent concrete slabs. Slots are cut using diamond-tipped saw blades; the concrete is removed using lightweight jackhammers. Useful downloads. Stainless Steel bars also available. Dowel bars are short steel bars that provide a mechanical connection between slabs without restricting horizontal joint movement. Contact Details. By comparing the two cores, the dowel tips indicate the alignment of the dowel relative to the surface. For the smooth dowels the contract specifications state, "[Dowel] Bars shall conform to ASTM A615/A615M, Grade 40 for plain billet-steel bars of size and length indicated" (typically 20-inches on the drawings in our case). Dowel bars can be supplied with either a partial or full coating to your specific requirements. We stock H10, H12, H16, H20 rebar in 1500mm lengths or ready to be cut to custom lengths or bent in any configuration. Chemical Requirements: The chemical composition of the dowels will comply with ASTM A510 and ASTM A1040 unless exception is required in ASTM A615. Dowel Bar Sizes Stocked: 12mm x 900mm Dowel Bars 16mm x 600mm Dowel Bars 20mm x 600mm Dowel Bars High-grade PVC Dowel Sleeve Sizes Stocked: Diameter: 12mm, 16mm, and 20mm Length: 300mm - 450mm All phases of the production process are controlled through a quality control system, and control result reports are delivered to customers along with the product. Dowel bars always inserted in the mid-depth of the slab. All coatings comply with DOT specification. Dowels are solid pins, usually precision ground to narrow limits to permit accurate fitting. They are placed over joins in concrete slabs in order to prevent cracking. 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