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ITI EWP - Spec Sheet 5 - Lamination

Page 1

SPEC SHEET No. 5.1 laminating MEMBERS November 2017

Nail Lamination - 2-Ply & 3-Ply Members Minimum Nail Sizes 45mm Members - 2.80x75mm 63mm Members - 2.80x100mm NAIL LAMINATION NOTES: 1.

Minimum 2 Rows for Depths up to 305mm

2. Minimum 3 Rows for Depths up to 450mm 3. Drive opposing nail pattern to opposite side of member 4. Nails to penitrate second member by at least 50% 5. First nails to be located approx. 135mm from the edge

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6. Additional nails added under point loads and over supports

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7. Repeat nailing to nailing pattern to each lamination

Bolt Lamination - 2-Ply Member - M12 Bolts

tre en C m

150

Bolt Lamination - 3-Ply Member - M12 Bolts

s

s

tre en C m

0m

60

tre en C m

0m

60

BOLT LAMINATION NOTES: 1.

M12 (8.8/S) bolts with 55mm washers at 600mm centres staggered in 2 rows for double laminated beams

2. M12 (8.8/S) bolts with 55mm washers at 600mm centres staggered in 3 rows for triple laminated beams 3. Minimum 60mm edge clearance required 4. Ensure pre-camber of Glulam Beams in set in the upward direction 5. Apply an additional 2, or 3 M12 bolts directly under any point points 6. Bolt members together prior to applying loads


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