Table of Contents Table of Contents
Previous Page  43 / 228 Next Page
Information
Show Menu
Previous Page 43 / 228 Next Page
Page Background

1. LVL AS A CONSTRUCTIONMATERIAL

1.9 TOLERANCES

The tolerances of LVL members are defined in FprEN

14374:2018 and depend on the member sizes. The tolerance

values are shown in Table 1.9 and the dimension definitions

in Figure 1.61.

Figure 1.60.

Straight and accurate LVL-P beams.

Table 1.9.

Maximum deviations from nominal sizes and nominal angles for LVL, unsanded and not pressure treatment (FprEN 14374:2018).

Figure 1.61.

Dimensions of LVL. b = width (H=height), l = length, t = thickness. Arrow shows the grain direction of the surface veneer.

Bottom: Example of the angle α deviation from the right angle of a cross section of LVL.

Stora Enso

LVL 01, Table 1.8

• KORJATTU 29.8.

Nominal sizes

Maximum deviations

Thickness

t

t

≤ 27 mm

± 1 mm

27 mm <

t

≤ 57 mm

± 2 mm

t

> 57 mm

± 3 mm

Width

b

b

≤ 300 mm

± 2 mm

300 mm <

b

≤ 600 mm

± 3 mm

b

> 600 mm

± 0.5%

Length

l

l

≤ 5 m

± 5 mm

5 m <

l

≤ 20 m

± 0,1%

l

> 20 m

± 20 mm

Maximum deviation α of the right angles of the cross section, see Figure 1.61

1:50 (approx. 1,1°)

LVL Handbook Europe

41