GB/T 38070-2019Structural composite lumber for use in structural glued laminated timber (English PDF)

3.1 Wood composite laminate structuralcompositelumber; SCL

Composite sheet composed of a small-sized wood unit bonded together by a binder in a grain direction, including veneer lumber, veneer lamination

Materials, shavings and inlaid reinforced wood composite laminates.

3.2 Veneered laminated timber laminatedveneerlumber; LVL

A multi-layered (or spliced) veneer is laminated with a main body as a main component.

3.3 Veneer lumber material paralelstrandlumber; PSL

After the veneer is dried, it is cut into a single strip, and then a wooden board is applied by applying an adhesive, drying, forming a blank, and pressing.

3.4 Shavings laminated timber laminatedstrandlumber;LSL

After the narrow-length thin flat shavings are sized, they are arranged in the longitudinal direction of the shavings by a directional device to form a slab of a certain thickness, which is pressed.

a wooden board. Generally, the length of the LSL blade is more than.200mm, and the arrangement direction is parallel to the plate length direction.

3.5 Inline reinforced wood composite laminate inlay reinforcementlumber; IRL

A structural laminate in which wood is bonded to high-strength materials in the direction of the grain.

4.1 Thickness and deviation

The thickness and deviation of the wood composite laminate shall comply with the following requirements.