EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 EUROCODE 2 – Design of.

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Presentation transcript:

EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 EUROCODE 2 – Design of concrete structures Prof. Ing. Giuseppe Mancini Politecnico di Torino

2 EN EN EN EN EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino EN1992

3 A complete system of codes for the design of concrete structures EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

4 EN1990 EN1991 EN1997 EN1998 To be used toghether with

5EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Bridges designed by use of Eurocodes

6EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pinerolo Bridge (Turin) Moving scaffolding continuous beam

Static scheme General dimensions

8EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Completed bridge

9EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Completed bridge

10EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Completed bridge

11EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Reinforcement cage of the pier

12EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Detail of reinforcement cage at the foot of the pier

13EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Scaffolding realization

14EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Moving scaffolding

15EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Scaffolding near bearing

16EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Reinforcement just before concreting

17EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Construction joint between casting i and i+1 before concreting

18EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Construction joint between casting i and i+1 after concreting

19EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Tensioning tendons at the beginning of the deck

20EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Cutting tendons strands after tensioning in the coupler

21EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Bars connecting the deck to the earth-containment wall

22EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

23EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Phase 4: Day 45 - Concreting of span P1 – P2 Day 58 - tensioning of tendons “I” and removal of scaffolding

24EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Phase 10: Day 89 - Concreting of span P2 – P3 Day tensioning of tendons “I” and removal of scaffolding Pier P2 Pier P3 24.5m8.5m

25EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino SEISMIC DESIGN OF BRIDGES Hysteretic damping bearings application: Highway in Algeria

26EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino General dimensions

27EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Construction by launching girder

28EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

29EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Hysteretic damping bearings scheme

30EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Longitudinal damper

31EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Transverse damper Top view Front view Assonometric view Longitudinal axis of the bridge

32EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Finite element model – non linear analysis

33EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Finite element model – non linear analysis

34EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms

35EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms

36EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms

37EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms spectrum X direction (horizontal)

38EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms spectrum Y direction (horizontal)

39EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms spectrum Z direction (vertical)

40EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms Longitudinal (abutment C1) damper displacements Time [s] Displacement [m]

41EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms Longitudinal (abutment C1) damper reaction Time [s] Force [kN]

42EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms Longitudinal (abutment C1) damper reaction vs. displacement Displacement [m] Force [kN]

43EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms Transverse Pier P1 damper displacements Time [s] Displacement [m]

44EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms Transverse Pier P1 damper reaction Time [s] Force [kN]

45EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms Transverse Pier P1 damper reaction vs. displacement Force [kN]

46EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Piers dimensions and orientation of the internal actions

47EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P1 (25m tall) reinforcement (base section)

48EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

49EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

50EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

51EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

52EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

53EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

54EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino SEISMIC DESIGN OF BRIDGES Lead-rubber bearings application: Highway in Sicily

55EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino General dimensions

56EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Two solutions:

57EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Hysteretic damping Bearings

58EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Lead rubber bearings

59EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Finite element model – non linear analysis x y

60EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms

61EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms

62EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms

63EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms spectrum X direction (horizontal)

64EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms spectrum Y direction (horizontal)

65EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms spectrum Z direction (vertical)

66EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms – Lead Rubber Bearings Pier P2 longitudinal damper displacements Time [s] Displacement [m]

67EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P2 longitudinal damper reaction Time [s] Force [kN] 1 st Accelerograms – Lead Rubber Bearings

68EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P2 longitudinal damper reaction vs. displacement Displacement [m] Force [kN] 1 st Accelerograms – Lead Rubber Bearings

69EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P2 transverse damper displacements Displacement [m] 1 st Accelerograms – Lead Rubber Bearings Time [s]

70EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P2 transverse damper reaction Time [s] Force [kN] 1 st Accelerograms – Lead Rubber Bearings

71EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P2 transverse damper reaction vs. displacement Displacement [m] Force [kN] 1 st Accelerograms – Lead Rubber Bearings

72EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino 1 st Accelerograms – Hysteretic Damper Bearings Pier P2 transverse damper displacements Time [s] Displacement [m]

73EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P2 transverse damper reaction Time [s] Force [kN] 1 st Accelerograms – Hysteretic Damper Bearings

74EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P2 transverse damper reaction vs. displacement Displacement [m] Force [kN] 1 st Accelerograms – Hysteretic Damper Bearings

75EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P1 (53m tall) reinforcement Upper half (front view and vertical section)

76EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P1 (53m tall) reinforcement (section B-B)

77EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P1 (53m tall) reinforcement Lower half (front view and vertical section)

78EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Pier P1 (53m tall) reinforcement Base (front view and vertical section)

79EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

80EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Use of linear finite elements in design 2 D (plate, slab, shell) Rules in EN and EN D No rules available in EN 1992’s Design rules in Model Code 2010

81EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Messina bridge foundations

82EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

83EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

84EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Massive construction Strict interaction between design and execution Design should consider Thermal effects during hardening Construction sequence Mix design choice

85EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Coupled non linear thermo-mechanical analysis Careful qualification of mix Mechanical tests Adiabatic tests Early age

86EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

87EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

88EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino

89EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino Cracking for hydration heat within 3 days from casting Minimum reinforcement for early age cracking Tensile strength 30% - 40% of that one to 28 days

90 Thank you for the kind attention EUROCODES - Background and Applications – Moscow 9-10 December 2010 Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino