Civil Engineering Reference
In-Depth Information
Table 5.1
Instantaneous axial strain and curvature at
t
0
, immediately after application of the load
q
(Example 5.3, Fig. 5.11)
Properties of
Deflection
transformed
1
section at
Axial strain and
at G
age
t
0
Internal forces
curvature at t
0
Properties of
(
Equation
(E
ref
=
E
c
(t
0
)
=
30 GPa
)
introduced at t
0
(Equation (2.32))
concrete area
(C.8))
Member
Section
A
B
I
N
M
O
(t
0
)
(t
0
)
A
c
B
c
I
c
D(
t
0
)
B
1.58
−
0.3947
0.5221
−
0.2431
−
1.821
−
42.1
−
148.1
1.32
−
0.5927
0.2714
BC
G
1.58
−
0.3947
0.5221
−
0.2431
3.624
64.9
280.5
1.32
−
0.5927
0.2714
28.46
C
1.58
−
0.3947
0.5221
−
0.2431
−
1.821
−
42.1
−
148.1
1.32
−
0.5927
0.2714
Multiplier
m
2
m
3
m
4
10
6
N10
6
N-m
10
−
6
10
−
6
m
−
1
m
2
m
3
m
4
10
−
3
m
1
The reference point O is at the centroid of age-adjusted transformed section (Fig. 5.8(c))
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