Fig. (4)
Schematic of the T-stubs modelled by FE.
m
is defined according to Eurocode 3 [1];
t
w
= 20 mm for all models, while
a
c
= 7.1 mm for
d
b
= 16 and 18 mm and
a
c
= 10 mm for
d
b
= 20 mm.
