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Checking
Designing
Section
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Analysis for
N
Ed
Assume
f
y
Find trial section
A
≥
N
Ed
/ f
y
Find
f
y
,
f
u
,
A
ne
t
N
pl
,
Rd
=
Af
y
/γ
M
0
;
N
u
,
Rd
= 0.9
A
net
f
u
/γ
M
2
N
t,Rd
is the lesser of
N
pl,Rd
and
N
u,Rd
No
Check
N
Ed
N
t,
Rd
Yes
Check
complete
Design
complete
Find new
section
Figure 2.10
Flow chart for the design of tension members.
The fracture limit state of equation 2.4 is given in EC3 as
N
u
,
Rd
=
0.9
A
net
f
u
/γ
M
2
,
(2.20)
where
A
net
is the net area of the cross-section and
γ
M
2
is the partial factor for
resistance in tension to fracture, with a value of 1.1 given in the NationalAnnex
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