presentation girder construction

GIRDER CONSTRUCTION Chapter 3: GIRDER CONSTRUCTION Site Condition P3 Side (Bai Chay Side) l = 9.0m, n=2 Shin - so φ3000 l = 10.5m, n=3 Shin - so φ3000 l = 10.0m, n=3 12000 4000 Shin - so φ2500 l = 9.5m, n=2 2500 47499 47499 P5 P6A 3000 2500 4000 2500 11000 17000 26000 MAIN BRIDGE BAI CHAY HON GAI 29500 40000 29500 99000 P1 P2 A2 435000 902500 903000 6700 1295008600035000 750 250 52005200 5200 750 86000129500 250 6700 40250 2500 9000090000 2500 27X1750=47250 90000 2500 27X1750=4725040250 A1 P1 DL 0.000 Shin - so φ3 000 l = 15.0m, n=4 21000 41000 6000 8500 6000 P3 12000 18000 P4 P2 GENERAL VIEW OF THE BAI CHAY BRIDGE 31Seg. 32Seg. 32Seg. 31Seg. SPAN SIDE PIER TABLE PIER BASE 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 23 24 25 26 27 28 29 30 31 32 CLOSURE POUR DISMANTLE OF TRAVELLER 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 ERECTION OF TRAVELLER DISMANTLE OF TRAVELLER SPAN SIDE COLUMN TOP PIER TABLE 17 X 9 (10) DAYS 17 X 9 (10) DAYS17 X 9 (10) DAYS 1 X 12 DAYS TET HOLIDAYS 21 24 TRAVELLER BACK TRAVELLER BACK COMPLETION OF WORK 24 1 SUPERSTRUCTURE SUPERSTRUCTURE SUPERSTRUCTURE 0 1 COLUMN TOP PIER TABLE 1 LIFT~24 LIFT DISMANTLE OF J/F ERECTION OF J/F TOWER 12 X 9 (10) DAYS 1 LIFT~24 LIFT 17 X 9 (10) DAYS 12 X 9 (10) DAYS 0 12 X 9 (10) DAYS 12 X 9 (10) DAYS 1 X 12 DAYS 1 X 12 DAYS 1 X 12 DAYS 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23 TET HOLIDAYS 2 3 4 5 6 7 8 9 10 11 12 13 15 14 16 17 18 19 20 21 22 23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 CLOSURE POUR DISMANTLE OF TRAVELLER ERECTION OF TRAVELLER 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 41 WALL SHIN-SO WORKS ROAD WORKS ROAD TARGET COMPLETION OF WORK DEMOBILIZATION 2006 2005 FEB JAN APR JUN MAY AUG SEP NOV OCT JUL MAR DEC FEB JAN APR JUN MAY AUG SEP NOV OCT JUL MAR DEC WORKS ELECTRICAL ANCILLARY & TOWER ERECTION OF J/F DISMANTLE OF J/F PIER TABLE Nov.2005 ◆Removal Form Traveler ◆Form Traveler Assembling ◆Cycle of Cantilever Work ◆Pier Table 9.9m*2=19.8m ◆Pier Table 9.9m*2=19. ◆6.5m/Seg. 8m ◆6.5m/Seg. 20Seg/32Seg 140m Cantilever ◆P2,P5 Connection ◆P1 Connection ◆P6A Connection ◆Center Closure Pier Table Construction Form Traveler Assembling ◆Limited Area ◆Inside Tower Crane Radius ◆Limited Weight 135 ton Form Traveler Form Traveler Assembling Form Traveler Assembling Form Traveler Assembling Completion Main Girder Section .20 3.65 .56 3.20 8.00 25.30 2% 8.002.50 .40 .25 3.00 2% .25 2.50 .40 25.3m ◆Steel Bracing Pipe (interval 3.25m, Square Type thk=16mm and Round Type thk=9mm) 200mm 350mm 3.75m 5.25m ◆One-Cell ◆ 5m Long Wing ◆ 45Deg Web PC Bar & Strand Position Longitudinal PC Bar Φ32 (40-30Nos/Seg) from 4Seg.30Nos Longitudinal PC Strand 12S12.7 (Center span 18Seg 20Nos, Side span 24seg(P3),22Seg(P4) 10Nos ) Transverse PC Strand S21.8 (18-12Nos/Seg from 5Seg 12Nos) PC Bar Φ26 PC Strand 12S15.2 Square Steel Pipe □250x250, t =16 Stay Cable Formwork Tube Detail of Steel Bracing Pipe (Square Type) Dead Anchor [...]... Pipe & Form Tube Setting Brace Steel Pipe and PC Strand ・ oncrete C ・ Stressi ng ・ Braci Pi Assem blng ng pe i Inspection ・ Rebar and PC of W eb ・ Stressi ng 　 Bottom Sl and ab Installation Stay Cable Girder Survey ◆Morning Time Survey 8 Removal of Laitance Stressing Pre-Stressing Center Span 6 Stressing Pre-Stressing Side Span 3 Removal of Laitance After casting After Launching Stressing 80% ・ Rebar,PC . GIRDER CONSTRUCTION Chapter 3: GIRDER CONSTRUCTION Site Condition P3 Side (Bai Chay Side) l = 9.0m, n=2 Shin - so φ3000 l. 9.9m*2=19. ◆6.5m/Seg. 8m ◆6.5m/Seg. 20Seg/32Seg 140m Cantilever ◆P2,P5 Connection ◆P1 Connection ◆P6A Connection ◆Center Closure Pier Table Construction Form Traveler Assembling ◆Limited Area ◆Inside Tower Crane Radius ◆Limited Weight 135. Traveler Form Traveler Assembling Form Traveler Assembling Form Traveler Assembling Completion Main Girder Section .20 3.65 .56 3.20 8.00 25.30 2% 8.002.50 .40 .25 3.00 2% .25 2.50 .40 25.3m ◆Steel