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1. LVL AS A CONSTRUCTIONMATERIAL
Table 1.11.
Basic mechanical properties of common LVL strength classes.
Table 1.12.
Basic mechanical properties of common structural wood products.
LVL 01, Table 1.9
LVL 48 P
LVL 32 P
LVL 36 C
LVL 25 C
Typical use
Beam
Stud
Panel
Panel
Characteristic strength values, N/mm2
Bending strength edgewise,
h
= 300 mm
f
m,0,edge,k
44
27
32
20
Bending strength flatwise
f
m,0,flat,k
48
32
36
25
Bending strength flatwise perpendicular to grain
f
m,90,flat,k
-
-
8
-
Compression parallel to grain
f
c,0,k
29
21
21
15
Compression perpendicular to grain edgewise
f
c,90,edge,k
6
4
9
8
Tension parallel to grain
f
t,0,k
35
22
22
15
Shear edgewise parallel to grain
f
v,edge,0,k
4,2
3,2
4,5
3,6
Shear flatwise parallel to grain
f
v,flat,0,k
2,3
2,0
1,3
1,1
Size effect parameter
s
, [-]
0,15
0,15
0,15
0,15
Mean stiffness values, N/mm2
Modulus of elasticity parallel to grain
E
0,mean
13800
9600
10500
7200
Modulus of elasticity perpendicular to grain in
flatwise bending
E
m,90,mean
-
-
2000
-
Shear modulus edgewise
G
0,edge,mean
600
500
600
500
Density, kg/m3
Mean value
ρ
mean
510
440
510
440
Characteristic value
ρ
k
480
410
480
410
LVL 01, Table 1.10
Sawn timber C18
(EN 338:2016)
Glulam GL24h
(EN 14080:2013)
Spruce plywood
21 mm
17
Typical use
Beam / stud
Beam
Panel
Characteristic strength values, N/mm2
Bending strength
f
m,0,k
18
24
20,6
Bending strength flatwise perpendicular to grain
f
m,90,flat,k
-
-
12,8
Compression perpendicular to grain
f
c,90,k
2,2
2,5
-
Shear parallel to grain
f
v,k
3,4
3,5
3,5
Mean stiffness values, N/mm2
Modulus of elasticity parallel to grain
E
0,mean
9000
11500
8230
Modulus of elasticity perpendicular to grain
in bending
E
m,90,mean
-
-
3770
Density, kg/m3
Mean value
ρ
mean
380
420
460
Characteristic value
ρ
k
320
385
400
LVL Handbook Europe
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