EUROCODE 2 – Design of concrete
structures
Prof. Ing. Giuseppe Mancini
Politecnico di Torino
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
1
EN1992
EN1992-1-1
EN1992-1-2
EN1992-2
EN1992-3
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
2
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
3
To be used toghether with
EN1990
EN1991
EN1997
EN1998
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
4
Bridges designed by use of
Eurocodes
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
5
Pinerolo Bridge (Turin)
Moving scaffolding continuous beam
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
6
Static scheme
General dimensions
Completed bridge
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
8
Completed bridge
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
9
Completed bridge
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
10
Reinforcement cage of
the pier
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
11
Detail of reinforcement cage at the foot of the pier
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
12
Scaffolding realization
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
13
Moving scaffolding
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
14
Scaffolding near bearing
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
15
Reinforcement just before concreting
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
16
Construction joint between casting i and i+1 before concreting
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
17
Construction joint between casting i and i+1 after concreting
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
18
Tensioning tendons at the beginning of the deck
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
19
Cutting tendons strands after tensioning in the coupler
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
20
Bars connecting the deck to the earth-containment wall
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
21
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
22
Phase 4:
Day 45 - Concreting of span P1 – P2
Day 58 - tensioning of tendons “I” and removal of scaffolding
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
23
Phase 10:
Day 89 - Concreting of span P2 – P3
Day 102 - tensioning of tendons “I” and removal of scaffolding
8.5m
24.5m
Pier P2
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
8.5m
Pier P3
24
SEISMIC DESIGN OF BRIDGES
Hysteretic damping bearings application:
Highway in Algeria
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
25
General dimensions
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
26
Construction by launching girder
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
27
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
28
Hysteretic damping bearings scheme
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
29
Longitudinal damper
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
30
Front view
Transverse damper
Assonometric view
Top view
Longitudinal axis
of the bridge
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
31
Finite element model – non linear analysis
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
32
Finite element model – non linear analysis
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
33
1st Accelerograms
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
34
1st Accelerograms
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
35
1st Accelerograms
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
36
1st Accelerograms spectrum
X direction (horizontal)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
37
1st Accelerograms spectrum
Y direction (horizontal)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
38
1st Accelerograms spectrum
Z direction (vertical)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
39
1st Accelerograms
Displacement [m]
Longitudinal (abutment C1) damper displacements
Time [s]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
40
1st Accelerograms
Force [kN]
Longitudinal (abutment C1) damper reaction
Time [s]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
41
1st Accelerograms
Force [kN]
Longitudinal (abutment C1) damper reaction vs. displacement
Displacement [m]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
42
1st Accelerograms
Displacement [m]
Transverse Pier P1 damper displacements
Time [s]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
43
1st Accelerograms
Force [kN]
Transverse Pier P1 damper reaction
Time [s]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
44
1st Accelerograms
Force [kN]
Transverse Pier P1 damper reaction vs. displacement
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
45
Piers dimensions and orientation of the internal actions
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
46
Pier P1 (25m tall) reinforcement (base section)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
47
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
48
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
49
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
50
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
51
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
52
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
53
SEISMIC DESIGN OF BRIDGES
Lead-rubber bearings application:
Highway in Sicily
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
54
General dimensions
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
55
Two solutions:
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
56
Hysteretic damping Bearings
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
57
Lead rubber bearings
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
58
Finite element model – non linear analysis
y
x
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
59
1st Accelerograms
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
60
1st Accelerograms
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
61
1st Accelerograms
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
62
1st Accelerograms spectrum
X direction (horizontal)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
63
1st Accelerograms spectrum
Y direction (horizontal)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
64
1st Accelerograms spectrum
Z direction (vertical)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
65
1st Accelerograms – Lead Rubber Bearings
Displacement [m]
Pier P2 longitudinal damper displacements
Time [s]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
66
1st Accelerograms – Lead Rubber Bearings
Force [kN]
Pier P2 longitudinal damper reaction
Time [s]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
67
1st Accelerograms – Lead Rubber Bearings
Force [kN]
Pier P2 longitudinal damper reaction vs. displacement
Displacement [m]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
68
1st Accelerograms – Lead Rubber Bearings
Displacement [m]
Pier P2 transverse damper displacements
Time [s]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
69
1st Accelerograms – Lead Rubber Bearings
Force [kN]
Pier P2 transverse damper reaction
Time [s]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
70
1st Accelerograms – Lead Rubber Bearings
Force [kN]
Pier P2 transverse damper reaction vs. displacement
Displacement [m]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
71
1st Accelerograms – Hysteretic Damper Bearings
Displacement [m]
Pier P2 transverse damper displacements
Time [s]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
72
1st Accelerograms – Hysteretic Damper Bearings
Force [kN]
Pier P2 transverse damper reaction
Time [s]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
73
1st Accelerograms – Hysteretic Damper Bearings
Force [kN]
Pier P2 transverse damper reaction vs. displacement
Displacement [m]
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
74
Pier P1 (53m tall)
reinforcement
Upper half
(front view and
vertical section)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
75
Pier P1 (53m tall)
reinforcement
(section B-B)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
76
Pier P1 (53m tall)
reinforcement
Lower half
(front view and
vertical section)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
77
Pier P1 (53m tall) reinforcement
Base (front view and vertical section)
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
78
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
79
Use of linear finite elements in design
2D
(plate, slab, shell)
3D
Rules in
EN 1992-1-1
and
EN 1992-2
No rules
available in EN
1992’s
Design rules in Model
Code 2010
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
80
Messina bridge foundations
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
81
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
82
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
83
Massive construction
Strict interaction between design and execution
Design should consider
Thermal
effects
during
hardening
Construction
sequence
Mix design
choice
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
84
Coupled non linear thermo-mechanical analysis
Careful qualification of mix
Mechanical
tests
Adiabatic
tests
Early age
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
85
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
86
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
87
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
88
Minimum reinforcement for early age cracking
Cracking for hydration heat within 3 days
from casting
Tensile strength 30% - 40% of that one
to 28 days
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
89
Thank you for the
kind attention
EUROCODES - Background and Applications – Moscow 9-10 December 2010
Prof. Ing. Giuseppe Mancini - DISTR - Politecnico di Torino
90