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DR0301-SP040622 (3)DYWIDAG-SYSTEMS INTERNATIONAL DYWIDAG Threadbar Post-Tensioning System Upper Middle Road Bridge -Oakville, Ontario DYW DAG-SYSTEMS INTERNATIONAL DYWIDAG System Details Threadbar Prestressing Steel Properties -- ASTM A 722 Cross Ultimate Maximum COUPLER Anchor HEX NUT Anchor U~mate Section ' Strength Nomina~ ]'HREADBAR Nut Size S~ess Area (f,u A,s) Weight Diameter Diameter Length Extension Lengt~ Width in mm ksi IMPs in~ mm~ kips. kN lbs/it kg/m , in mm lb(in) (mm) c(in) (mm) 'e(in) (mm) a(in~ (mm) a(in) l(mm 1 26 150 1030 0.85 548 127.5 567 3.01 4.48 1.20 30.5 2.00 50,8 6.25 158.8 1.88 47.8 2.83 66.7 1.75 44.5 1 26 160.* t100 0.85 548 136.0 605 3,01 4.48 1.20 30.5 2.00 50.8 6.25 158.8~ 1.88 47.6 2.63 66.7 1.75 44.5 I~A 32 150 1030 1.25 806 187.5 834 4.39 6.54 1.46 37.1 2.38 60.3 6.75 171.5' 2.50 63.5 2.88 73.0 2.25 87.2 1% 32 160'* 100 1.25 806 200.0 890 .4.89 6.54 1.46 37.1 2.38 60.3 6.75 171.5 2.50 63.5 2.88 73.0 2.25 57.2 1% 36 150 1030 1.58 1018 237.0 1,055 5.56 8.28 il.63 41.4 2.75 69.9 8.75 222.3 2.75 69,~c 3.88 98.4 2.38 60.3 I1% 36160"1100 1.58 10181252.8 1,125 5.56 8.28 !1.63 41.4 2.75169.9 8.78 222..3 2.75 69.9 3.88 98.4,2.38 60.3 "p" is the minimum threadbar protrusion to accommodate prestressin ~, proof leading or coupling, "p"= ~c + ½" (12.7 mm). *CoupJers and nuts for GR150 & 160 bars develop 100% of guaranteed ultimate strength. **Grade 160 Dar is avallat21e only on special order. Resin anchors using DYWlDAG prestressing steel may be proof stressed to 80% of the guaranteed ultimate strength of the prestressing steel. Lock off force should not exceed 70% of the guaranteed ultimate strength of the prestressing steel. Reinforcing Steel Properties*- ASTM A 615 .(Grade 60 & 75) 4 Left hand thread for size #6 through #1 I, rigt~t hand thread for #14, ¢18, #20 and #7 Grade 75 ! Maximum I Nominal Cross Yield Nominal ~THREADBARI COUPLER NUT THREADBAR THREADBAR Section Strength Weight ~ Diameter Width Size Diameter Ares Dismeter I Length Length Designation in I mm in~ mm2 kips kN Ibs/ft kg/m in mm b(in) (mm) c(in) (mm)is(in (mm) d (in)imm', ¢6 Grade60 0.75 19.1 0.44 284 26.4 117 1.502 2.2361 0.86 21.8 1.13 28.6 3.50 88.9, 1.00 25.4 1.13 28.6 #7 Grade60 0.88 22.2 0.60 387 36.0 160 2.044 3.0431 0.99 25.1 1.31 33.3 3.75 95.3 1.25 31.8 1.25 31.8 #7 Grade75 0.88 22.2 0.60 387 45.0 200 2.044 3.0431 0.99 25.1 1,38 34.9, 5,00 1270:1.501 38.1 1.38 34.9 ¢8 Grade60 1.00 25.4 0.79 510 47.4 211 2.87013.97511.12 28.4 1.50 38.11 4.001101.8 1.38 34.9 1.4436.8 #8 Grade75 1.00 25.4 10.79 510 59.3, 264 2.87013.9751 1.12 28.4 1.63 41.3 4.75 120.7 1.75 44.5 1.63 41.3 ~ Grade60 1.13 28.6 1.00 645 60.0 267 3.4001 5.061 1.26 32.0 1.69 42.9 4.25 108.0 1.62 41.3 1.63 41.3 #10 Grsde60 1.25 37.8 1.271 819i 76.2 339 4.30316.405 1.43' 36.311.88 476 5.00!127.0 %88 47.6 1.75 44.5 #11 Grade60 1.38 34.9 1.56 11,006 93.6 417 5.313 7.909! 1.61[ 40.9 i2.13 i 540 6.001152.4 2.00 50.8 2.00 50.8 #t4 Grade60 1.75 44.5 2.25 1 452 1350 601 765011 388 1 861 47.2 i2.75 I 69.9 7.00 177.8 3.00 76.2 2.50 63.5 #t4 Grade 75 i 1.75 44.5 2.25 11452 169.0 75 765011388 166 47.2 12.75 i 699 7.50 190.5 3.50 88.9 2.50 63.5 #18 Grade 60 2.25 57.2 4.00 21581 240.011,088 13.60 20.24 2.50i 63.5',3.80 88.9 8.00 203.2 3.50 88.1 3.25 82.6 ' i 3.50 88 9 10 00 254.01 4.00 101.6 3.25 82.~ #18 Grade75 2.25 67.2 4.00 2,581 300;011,335 13.60 20.24 2.50 63.5 #20 Grade75 2.80I 63.5 i4.91 3,168 368.3!l,63911670i24.65i 2721 89.1 4.33 i110]0! 9.84 250.0i4.00. 100.0 3.74 95.0 "d" is measured across nut flats. *Couplers for Grade 60 & 75 bars develop in excess cf 125% of the guaranteed yield strength of the corresponding Par. Full strength couplers and nuts are available on special order. Resin anchors using DYWIDAG reinforcing steel may be proof stressed to 90% of the guaranteed yield strength of the reinforCing steel. The final working force varies with the application and function of the anchors. Coupler Plate Anchorage with Hex Nut Anchor Nut & Deformed Plate Anchor Nut & Bearing Plate