Seismic

1. Recent trends and problems
in bridge design
Jean-Armand Calgaro
Ecole Nationale des Ponts et Chaussées, Paris
University of Roma II « Tor Vergata »
19 December 2003

2. • Large prestressed concrete bridges
• Association of steel and concrete
• Truss structures
• Problematic footbridges
• The style of steel bridges
• Cable-stayed bridges
• Aesthetics ?
• Art, animals and civil engineering
• Other civil engineering works

3. Large prestressed
concrete bridges

4. The Vecchio bridge in
Corsica, 1999
Cantilever bridge

5. Bridge over the River Rhine, 2002
Development of the use of extrernal prestressing
Spans : 121-205-131

6. The Ventabren viaduct (SNCF) near
Avignon, 1997 : a railway bridge in
a seismic zone.

7. ASSOCIATION OF STEEL
AND CONCRETE

8. Classical composite bridge. Railway (TGV) bridge
near Avignon, 1997

9. Railway bridge (TGV) near Avignon, 1997

10. VERRIERE VIADUCT, 2001 - Motorway A75

11. Grand Spans : 96 - 136 - 144 - 136 - 128 and 80 m.
Highest pier : 140 m
THE VERRIERE VIADUCT

12. THE VERRIERE VIADUCT

13. The Meaux viaduct (near Paris), 2004

14. The
Meaux
viaduct

15. Truss structures

16. SYLANS VIADUCT – MOTORWAY A 40, 1990

17. Boulonnais Viaducts
A15 Motorway,1998

18. Bridge over the « Bras de la Plaine »
Réunion Island, 2002. Span length : 280 m

20. PROBLEMATIC FOOTBRIDGES

21. THE SOLFERINO FOOTBRIDGE, Paris, 2001

23. THE STYLE OF STEEL
BRIDGES

24. THE GARABIT VIADUCT, by EIFFEL, 1884

25. THE VIAUR VIADUCT, 1902, by BODIN

26. THE VIAUR VIADUCT

27. Mornas Railway bridge (TGV), 1998

29. Donzère Railway bridge (TGV), by Marc Mimram, 1998

30. Bridge crossing the Spree river, Berlin
by Calatrava and Sedlacek

31. CABLE STAYED BRIDGES

32. THE NORMANDIE BRIDGE
1994

33. THE VASCO DE GAMA BRIDGE, Lisboa, 1998

34. Terenez bridge
Magic CAD and virtual pictures

35. How to transform a concrete slab bridge into a
cable-stayed bridge

36. THE RION-ANTIRION
BRIDGE
GREECE,
3 main span lengths of 560 m

41. November 2003

42. Final design
General computations
Steel structure design
Deck and pylons erection
Plans
bureau d’études
ingénierie
greisch
greisch
THE MILLAU BRIDGE

43. 2150
3000
1100
13875 13875 2150
1 00
1
3000
P
ente de 2.5 %
4000
11875
4200
LE VIADUC DE MILLAU

67. http://www.cstb.fr/ See Webzine

68. AESTHETICS ?

70. Natural Bridge in Lebanon

71. Bassano
Bridge,
Italy,
Palladio,
1569

72. Bridge in the sun

73. Bridge over Basento, by Musmeci, Italy, 1973

74. Railway bridges near Avignon, 1998

75. ART, ANIMALS AND CIVIL
ENGINEERING

76. Noé, the first, built an infrastructure to permit animals to go
inside the Arch

77. Animals are often good civil engineers

78. Animals inspire architects

79. Sometimes,
the design looks
funny …

80. Or surprising …

81. BRIDGE - BIRD

82. And bridges are sometimes designed and built
for the comfort of animals only …
Santa Rosa bridge, Bolivia

83. OTHER CIVIL
ENGINEERING WORKS

84. Extension of the Port of Monaco
2002 (Abutment leaving La Ciotat dock)

87. The Stade de France, Paris 1998

88. The steel structure of
the roof