88 Damage to concrete structures
(d)
ε b = 0
ε 2
ε 1
ε
σ 2b = 0
σ 1b = 0
σ 2
σ 1
∆θ 2
∆θ 1
E
2
1
2
1
t´
t
E
E
E
(c)
(b)
(a)
E
2
1
E
ε 2
ε 1
∆θ 2
∆θ 1
2
1
t
E
E
Figure 4.12 Evolution of thermal stresses: case of constant Young’s modulus.