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IBRACON Structures and Materials Journal • 2012 • vol. 5 • nº 3
Pontes de concreto armado: efeitos da corrosão e da variação do módulo de elasticidade do concreto
n
Geometric reinforcement ratio equal to ρ
1
= 3.78%, ρ
2
= 3.22%
and ρ
3
= 2.68% according to Figure 9;
n
Modulus of elasticity of concrete equal to E
c
and 0.5.E
c
;
n
Cracked section;
n
Models with bar and shell elements (B-S) and models with solid
elements (SOL).
Figure 13 – Distribution of the longitudinal compressive stress - {DEAD}, uncracked section
-2897
-2141
-2544
-10000
-9000
-8000
-7000
-6000
-5000
-4000
-3000
-2000
-1000
0
1 2 3 4 5 6 7 8 9 10 11 12
σ
c (kN/m
2
)
{DEAD} -
ρ
1
- E
C
- Uncracked
Medium value (top) = -2.457
Medium value (thickness) = -1.995
(SOL) - TOP SLAB
(SOL) - THICKNESS SLAB
(B-S) - TOP SLAB
Figure 14 – Distribution of the longitudinal compressive stress – {DEAD +
φ
.TB450}, uncracked section
-3127
-6748
-4961,88
-10000
-9000
-8000
-7000
-6000
-5000
-4000
-3000
-2000
-1000
0
1 2 3 4 5 6 7 8 9 10 11 12
σ
c
(kN/m
2
)
{DEAD +
φ
.TB450} -
ρ
1
- E
C
- Uncracked
Medium value (top) = -4.566
Medium value (thickness) = -3.689
(SOL) - TOP SLAB
(SOL) - THICKNESS SLAB
(B-S) - TOP SLAB