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60 Axial stress in concrete top slab – continuity support section 0,00 0 50 100 150 200 250 300 350 400 -2,00 Tiro Internal dei cavi tendons interni prestressing Axial stress [MPa] Tensioni Normali [MPa] -4,00 -6,00 -8,00 -10,00 -12,00 Tiro First dei 50% cavi of esterni external campate prestressing laterali (50%) on lateral spans Applicazione Permanent loads carichi permanenti introduction portati First 50% of external Tiro dei cavi esterni Second 50% of external prestressing on central Ritesatura cavi esterni campate spans centrali (50%) prestressing everywhere Tempi [gg] Time [days]
61 Axial stress in concrete top slab – continuity support section -7,00 100 1000 10000 100000 Axial stress [MPa] Tensioni Normali [MPa] -8,00 -9,00 -10,00 50 years: end of 50 service anni life 377 gg. 377 days: end of construction -11,00 Tempi [gg] Time [days]
Page 1 and 2:
1 Prestressed composite box girder
Page 3 and 4:
• Pont de la Corniche, France 3
Page 5 and 6:
• Ginzan-Miyuki Bridge, Japan 5
Page 7 and 8:
• Long span building structures (
Page 9 and 10: Verrieres bridge - France 9
Page 11 and 12: Gassino bridge - Torino - Italy 11
Page 13 and 14: Some theory stuff 13
Page 15 and 16: 15 Bending behaviour of corrugated
Page 17 and 18: 17 Shear behaviour of corrugated we
Page 19 and 20: 1/d 19 Shear behaviour of corrugate
Page 21 and 22: 21 Shear behaviour of corrugated we
Page 23 and 24: 23 Creep and relaxation functions u
Page 25 and 26: Construction procedure common to bo
Page 27 and 28: 27 Position Continuity support Mids
Page 29 and 30: Phase 1 - Positioning of steel box
Page 31: 31 Phase 4 - Internal prestressing
Page 34 and 35: 34 Phase 5 Repetition of previous o
Page 36 and 37: Phase 7 - External prestressing 36
Page 38 and 39: 38 Transversal truss stiffeners det
Page 40 and 41: 40 Hammers 1 and 3 Time steps Eleme
Page 42 and 43: 42 Bending moment diagrams during h
Page 54 and 55: 54 Bending moment diagrams: end of
Page 56 and 57: 56 Bending moment diagrams: permane
Page 58 and 59: 58 Bending moment diagrams: end of
Page 62 and 63: 62 Axial stress in concrete bottom
Page 64 and 65: 64 Axial stress in steel top flange
Page 66 and 67: 66 Axial stress in steel bottom fla
Page 68 and 69: 68 Axial stress in concrete top sla
Page 72 and 73: 72 Modeling of CORRUGATED WEBS
Page 74 and 75: An analytical method to calculate t
Page 76 and 77: 76 An analytical method to calculat
Page 78 and 79: Comparison of results between corru
Page 80 and 81: 80 Axial stress in concrete top sla
Page 84 and 85: 84 Axial stress in steel top flange
Page 86 and 87: 86 Axial stress in steel bottom fla
Page 88 and 89: 88 Cumbering design Displacements w
Page 100 and 101: 100 Cumbering design Displacements
Page 110 and 111:
110 Cumbering design Displacements
Page 112 and 113:
Page 114 and 115:
Page 116 and 117:
Page 118 and 119:
Page 120 and 121:
Page 122 and 123:
Page 124 and 125:
Conclusions 124
Page 126 and 127:
126 Materials amount Flat webs Corr
Page 128 and 129:
128 Use of steel With corrugated we
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