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9. CALCULATION EXAMPLES OF LVL STRUCTURES
9.8 LATERALLY LOADED NAIL CONNECTION
A canopy over the entrance of a one family house is supported to the external wall by a 51x300 mm LVL 48
P ledger beam. The beam is nailed to the edges of 45 mm thick LVL 32 P wall studs which have spacing s =
600 mm. Line load from own weight
g
k
is 0,3 kN/m and imposed load from snow
q
k
is 3 kN/m. Service class
SC2.
Loading combinations
The most critical ultimate limit state (ULS) load combination for each connection between the beam and
stud:
E
d,ULS
=
s
∙ (
γ
G
∙
g
k
+
γ
Q
∙
q
k
)
E
d,ULS
= 0,6m ∙ (1,15∙0,3 kN/m + 1,5∙3 kN/m) = 2,91 kN
Note: Safety factors γ
G
and γ
Q
are according to Finnish national annex of eurocode 0.
Nail properties
Size: 3,1x90 mm round nails
Tensile strength
f
u
= 600 N/mm
2
Modification factor
k
mod
for medium-term, SC2 = 0,8
Material safety factor
γ
M
for connections (default value in EC5) = 1,3
LVL Handbook Europe
203