4822-1999 of 　 of GB/T of level of state of People's Republic of China
Sawn timber examines replace GB/T4822.1 ∽ 4822.3-1984
Sawn Timber Inspection

1 limits

This standard set quantity of check of definition of tag of sawn timber measure, dimension and grade assess.

This standard applies to sawn timber product production, check and accept and support the whole process that dial.

2 cite standard

The clause that following standard place contains, through citing in this standard compose makes the clause of this standard. This standard is active standard.

Sawn timber of GB/T 　 153-1995 conifer
Volume of GB 　 449-1984 sawn timber is expressed
Broad Xie Cai of GB/T 　 4817-1984 accumulates a watch
Blemish of sawn timber of GB/T 　 4823-1995
Term of lumber technology of GB/T 　 11917-1989

3 definitions

This standard uses following definition.

Square-edged Sawn Timber of sawn timber of 3.1 whole sides

Opposite face is mutual and parallel, each other of face of photograph adjacent material is perpendicular, material wane does not exceed the person that allow limit. (GB/T11917-1989
In 2.11)

3.1.1 parallel rectify Square-edged Sawn Timber Parallel Edges of edge sawn timber

Each other of homogeneous phase of face of two groups of relative ability rectifies edge sawn timber parallelly, see a picture 1. (in GB/T11917-1989 2.11.1)

3.1.2 echelon rectify Square-edged Sawn Timber With Tapered Edges of edge sawn timber

Relatively narrow material surface is mutual and rough the whole side sawn timber of travel, see a picture 2. (GB/T11917 - 1989 in 2.11.2)

Unedged Sawn Timber of 3.2 unedged sawn timber

Face is mutual and parallel, narrow material face was not worn curium, or although wear,curium and the person that wane allows limit more than, see a picture 3. (in GB/T11917-1989 2.12)

3.3 plank Board

Width dimension is ply dimension from duple above person. (in GB/T11917-1989 2.13)

3.4 square Square

Width dimension is less than ply dimension duple person. (the regulation that all presses plank when grade assess to following square undertakes judging waiting. 30X50, 35X50, 35X60, 40X60, 40X70, 45X60, 45X70, 45X80, 50X60, 50X70, 50X80, 50X90, 60X70, 60X80, 60X90, 60X100, 60X110, ) (in GB/T11917-1989 2.14)