dowel bars specification

1.72. 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 Dowel bar is generally supplied with a 0.2% proof of 250 N/mm² and a UTS of N/mm². All coatings comply with DOT specification. Stainless Steel bars also available. They are placed over joins in concrete slabs in order to prevent cracking. An … Description. Because a concrete slab only has around 50% of its load-bearing capacity at the edges, dowels are needed to support the slab, help bear and transfer weight, and permit controlled movement of the two adjacent slabs (technically called the “approach and leave slabs”.) 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). Dowels perform the important job of load transfer between adjacent concrete slabs. 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. Tolerances are covered in the specifications and schematics are shown on Standard Plan P10. Standard dowel bars are generally available next day delivery, if ordered before 1pm. Mild Steel Dowel Bars. Price. 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]. Dowel bars can be supplied with either a partial or full coating to your specific requirements. 1.2 This specification is applicable for orders in either inch-pound units (as Specification A1078 ) or in SI units (as Specification A1078M ). 1.1 This specification covers plain steel dowel bars with protective fusion-bonded epoxy coating for use in concrete pavements. By comparing the two cores, the dowel tips indicate the alignment of the dowel relative to the surface. In accordance with the Highway’s Agency Series 1000, Clause 1011 specification our polymeric and epoxy coated dowels provide good anti-corrosion qualities complying with the specifications salt spray test in accordance with BS.EN ISO 9227:2006 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. Dowel bars are placed on the fresh PCC surface then pushed down to the correct elevation by a series forked rods. Dowel bar insertion usually occurs after the vibrator but before the tamper bar. However, if the dowel bars are too short, the stress at the face of joint is increased resulting in concrete crushing. Product Specification. The thickness of the pavement determines the size of dowel bars required. The purpose of dowel bars is to transfer loads across a joint without restricting joint movement due to thermal contraction and expansion of the concrete. Quantity. The dowel bars are either coated or made up of stainless steel to protect it from corrosion. More in Products. Contact Details. More Views. Higher proof strength of 500 N/mm²and 650 N/mm²are available. 7-4 Figure 7-3. Polymeric Dowel Bars and Epoxy Coated Dowel Bars; Dowel Bars Sleeves … Item Code. KB Rebar Unit 5, Dobson Park Industrial Estate Dobson Park Way Ince, Wigan WN2 2DY . DBC16/100: 16mm Expansion Dowel Caps: £0.90. The contractor provides coring at each end of one dowel. Polymeric Dowel Bars and Epoxy Coated Dowel Bars We are the premier fusion bonded polymeric and epoxy coated dowel bar specialist in the UK. Discounts … Dowel Bars can be supplied in various diameters with sawn end to specific lengths. 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. Availability: In stock. Drawing accommodates typical sectional reinforcement Dowel detail for Beam and Slab. Each. A dowel is a cylindrical steel rod. Stainless Steel bars also available. Dowel bars can be supplied with either a partial or full coating to your specific requirements. Slots are cut using diamond-tipped saw blades; the concrete is removed using lightweight jackhammers. Chemical Requirements: The chemical composition of the dowels will comply with ASTM A510 and ASTM A1040 unless exception is required in ASTM A615. 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. What is a dowel? DBC20/100: 20mm Expansion Dowel Caps: £0.96. Precon Products, A leading national independent supplier of construction products ASTM A615 Grade 60 Steel 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. Steel Dowel Bars (12mm) are available from us in numerous lengths; please see the drop down menu for full details. Dowel detail for Beam and Slab; Size: 110.84 k: Type: Free Drawing Category: Structure: Software: Autocad DWG: Collection Id: 1478: Published on: Thu, 06/08/2017 - 16:50: supercreativew… Dowel detail for Beam and Slab. Epoxy Coated Dowel Bar Specification: Steel Standard: IS, ASTM A615, ASTM A1078, ASTM A775, 854449, AASSITO M254 : Coated Standard: IS, ASTM A775 & A775M: Ends: Chamfering & Plain Through CNC driven Machine Cut: Grade: ASTM A615 Grade 60, Grade 250: Length: 100 mm to 5000 mm: Diameter (mm) 16 – 50: Diameter (inches) 5/8″ – 2″ Application at Pavement & Construction … 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. Pack Size. Useful downloads. DOWEL BAR ALIGNMENT SPECIFICATIONS While the perfect alignment of each and every dowel bar is desirable, practical limitations in construction processes do exist. Dowel Bar Specification: Steel Standard: ASTM A615, ASTM A1678, ASTM A775, 854449, AASSITO M254 : Ends: Chamfering & Plain Through CNC driven Machine Cut. We stock large quantities of splice bar year round ready for immediate dispatch nationwide. 1.52. 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 Round Dowel Sleeves Dowelsert – Reid™ Reid™ Dowelsert Round Dowel Sleeves supplied by InfraBuild Construction Solutions (formerly LIBERTY OneSteel Reinforcing) are designed for a variety of steel reinforcement applications. All coatings comply with DOT specification. The consistency of the material is such that once it has dried and the concrete cast, free movement between the bar and the surrounding concrete is achieved. Make sure that you conform to the law by buying only CE marked dowel bars from Tunley Rod & Bar. 20 x 500mm Dowel Bar Mild Steel. We are able to offer expansion and contraction joint dowel bar cages, these are made to order. The dowel bar assemblies are to be securely fixed to the subgrade by using metal pins to eliminate displacement by the plastic concrete (Figure 7-3). KF06103DB20500. Stainless steel dowel bar are described by characteristics such as product form, strength grade and stainless steel designation. KF06103DB20400 . Dowel bars are short steel bars that provide a mechanical connection between slabs without restricting horizontal joint movement. These dowels are designed to be cast into concrete to improve strength. 20 x 400mm Dowel Bar Mild Steel. A 20mm dowel bar cap will fit over a 20mm reinforcing bar. Dowel Bars can be supplied in various diameters with sawn end to specific lengths. Compressible Cork Filler: 25mm. Some degree of misalignment can be acceptable as the detrimental effects of misalignment are not likely to occur. Stainless steel dowel bars. Dowel Bar Specifications. Length: 100mm. We can supply and manufacture dowel pins in mild steel, brass, stainless steel 303 and stainless steel 316, as well as Hardened & Ground Steel. Dowel Bar Specification Standard Requirements: Dowel bars supplied by Mar-Mac Wire Company will meet the requirements of ASTM A-615 Grade 60. Dowel bar is a terminology used in concrete pavements in general. 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. Dowel bar sleeves Dowel bar caps with a compressible filler in the end Debonding compound in 5 litre tins. 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. All coatings comply with DOT specification. DBC25/100: 25mm Expansion Dowel Caps: £1.23. Code Product Name Price Qty; DBC12/100: 12mm Expansion Dowel Caps: £0.84. There are measures in the special provisions to handle misaligned dowel bars. Did you know that all dowel bars sold in the UK must be CE marked? Specification and Installation of dowel bars. To develop load transfer across a joint, dowel bars are arranged at specified intervals and at mid-depth of the pavement thickness. Dowel bars are round steel bars (not torr steel). The theoretical analysis found that the dowel length in Chinese specification is conservative. We hold stock of the majority of the dowels we offer or can manufacture dowel pins to a customer drawing or specification. The dowel bars are usually of 32 to 38 mm diameter, 460mm long, and spaced at a distance of 305mm apart from each other. 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. Each. Grade used for Dowel Bar which are not listed in BS6744 but commonly used 1.4307 [304L] x: 1: 1: 5: 3: 1.4401 [316] x: 2: 2: 1: 1: 1.4404 [316L] x: 2: 2: 1: 1: SIZES AND STRENGTHS. For the deformed dowels the contract specifications state, "[Tie] Bars shall be billet or axle steel deformed bars and conform to ASTM A615/A615M or ASTM A966/A966M Grade … 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. Purchase. Tel: 0161 790 8635 Fax: 0161 799 7083 Web: kbrebar.co.uk. Dowel bars always inserted in the mid-depth of the slab. Country of Origin : Made in India : Minimum Order Quantity : 1 Piece : Product Description. The Specifications are checked to determine the number of pins required for the different length assemblies. Physical Requirements: Dowel bars supplied by Mar-Mac Wire Company will meet the following … They are often used with Rebar construction and laid across mesh. Dowel bars are produced to diameters and lengths determined according to customer demands and in accordance with the terms of technical specifications and standards. We stock H10, H12, H16, H20 rebar in 1500mm lengths or ready to be cut to custom lengths or bent in any configuration. … DBC32/100 : 32mm Expansion Dowel Caps: £1.62. Call today for a bespoke quote or order online in minutes. Dowels are solid pins, usually precision ground to narrow limits to permit accurate fitting. TMT Bar; Epoxy Coated Steel Rebar; MS … Guide Specification: Dowel Bar Retrofit (DBR) Publication Date: January 17, 2013 SCOPE Dowel bar retrofit (DBR) consists of installing epoxy-coated, smooth, round dowel bars into existing concrete pavement across transverse joints and/or cracks. 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. Grade: IS, ASTM A615 Grade 60, Grade 250: Length: 100 mm to 5000 mm: Diameter (mm) 16 – 50: Diameter (inches) 5/8″ – 2″ Application at Pavement & Construction Works. 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. They increase load transfer efficiency by allowing the leave slab to assume some of the load before the load is actually over it. 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