DSD/DSDQ Shear Load Connectors - Geo-Hidrol

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8 Shear Load Connectors DIMENSIONS Dowel Component DSD Sleeve DSDQ Sleeve Dowel bar diameter Dowel length Anchor bar lengths Anchor bar position Projection Ref Dowel Component DSD Sleeve DSDQ Sleeve DSD Overall Dowel Dowel Dowel Anchor Bar Anchor Bar Overall Anchor Bar Anchor Bar Overall Anchor Bar Anchor Bar Lateral DSDQ Length Dia Centres Projection Position Lengths Length Position Lengths Length Position Length Mov’nt 25* 250 14 40 120 31 80/140 120 28 80/140 - - - - 30 260 16 48 120 31 80/140 120 28 80/140 140 33 100 26 50 280 18 50 130 31 80/160 135 28 80/160 160 33 100 25 65 300 20 65 150 31 80/160 155 29 80/160 175 33 150 21 75 340 22 75 150 33 100/180 155 31 100/180 175 33 150 20 100 400 30 100 210 34 100/200 210 36 100/200 235 54 200 41 130 470 35 105 260 34 100/200 265 36 100/200 275 59 200 36 150 550 42 120 270 54 100/240 275 41 100/240 305 54 210 21 400 660 52 160 330 70 150/300 335 70 150/300 350 64 350 27 450 690 65 180 360 80 180/350 370 80 180/350 400 89 350 54 SPACINGS, SLAB & BEAM THICKNESSES Ancon DSD and DSDQ connectors should be positioned in slabs and beams within the minimum dimensions shown in the table below to ensure full load transfer. For information on reduced spacings or edge distances please contact Ancon. For slabs or beams with a thickness greater than the standard, the values for standard thickness apply. For slabs and beams with a thickness between the minimum and standard, use the formula shown. Ancon DSD and DSDQ Spacings and Minimum Concrete Thicknesses Ref Minimum Thickness Standard Thickness DSD Minimum Slab/ Minimum Minimum End Standard Slab/ Minimum Minimum End DSDQ Beam Thickness Centres Distance Beam Thickness Centres Distance 25* 160 240 120 240 160 80 30 180 270 135 270 180 90 50 180 270 135 270 180 90 65 200 300 150 300 200 100 75 240 360 180 360 240 120 100 320 480 240 480 320 160 130 360 540 270 540 360 180 150 450 675 337 675 450 225 400 600 900 450 900 600 300 450 650 975 487 975 650 325 Minimum Centres = (2.5 x Min. Slab/Beam Thickness) – Actual Thickness End Distance = 0.5 x Minimum Centres Centres Notes:* DSD only. All dimensions are in millimetres (mm). Notes:* DSD only. All dimensions are in millimetres (mm). End distance Centres Anchor bar position Sleeve length Anchor bar lengths Example: Ancon DSD100 used in 350mm thick slab Minimum Centres = (2.5 x 320) - 350 = 450mm End Distance = 0.5 x 450 = 225mm = = Slab thickness Anchor bar position Sleeve length Anchor bar length Maximum lateral movement Beam thickness = = End distance Centres
Tel: +44 (0) 114 275 5224 Web: www.ancon.co.uk REINFORCEMENT Local Reinforcement Local reinforcement is required around each DSD dowel and sleeve component to bridge any fine cracks that develop in the concrete as the dowels transfer load. Correct detailing in accordance with BS 8110 and the recommendations provided here, will ensure the Ancon DSD and DSDQ shear connectors attain their full capacity. Slab Reinforcement Joint width Serviceability load Cover Bar diameter Vertical Reinforcement Cross Sectional Area (CSA) is calculated as CSA = 2.4 x Serviceability Load x (Joint Width + Slab Thickness) x 103 follows:- 0.87 x fy x (Slab Thickness - (2 x Cover) - Bar Diameter) Example DSD100 used in 400mm thick slab Actual serviceability load = 100kN Joint width = 20mm Bar diameter = 16mm fy = 500N/mm 2 Cover = 40mm CSA = = 762mm2 2.4 x 100 x (20 + 400) x 103 0.87 x 500 x (400 - 80 - 16) Use 4 - H16 U-Bars (actual area - 804mm 2 ) Top and Bottom Reinforcement CSA = Area of Vertical Reinforcement π From the example above CSA = 762 π = 243mm 2 Use 6 - H8 (actual area - 301mm 2 ) = = Slab Thickness 100 100 100 Typical Layout 100 (130 for DSD 400 and above) Typical Layout Other U-bars top and bottom reinforcement not shown. Reinforcement Arrangement 1 Ancon DSD25 - DSD150 100 100 Reinforcement Arrangement 2 Ancon DSD130 - DSD450 9
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DSD/DSDQ Shear Load Connectors - Geo-Hidrol

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