GB 449-1984
Replaced
GB/T 1927.5-2021
Active
National standards
GB/T 1927.5-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 5: Determination of density
GB/T 1927.5-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 5: Determination of density
Price:
$ 54
Basic Information
Standard Code:
GB/T 1927.5-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Raw logs and original timber
ICS Name:
\nTimber, logs, and sawn timber
Publish Date:
2021-12-31
Implement Date:
2022-07-01
Pages:
11 pages
Scope
This document describes the test method for determining the density of wood. This document is applicable to the determination of the density, air-dried density, absolute dry density, and basic density of flawless small samples of wood under corresponding moisture content conditions.
Development Information
Same series standard
GB/T 1927.1-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 1:Collection of sample tree
GB/T 1927.2-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 2:Sampling methods and general requirements
GB/T 1927.3-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 3:Determination of the growth rings width and latewood rate of wood
GB/T 1927.4-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 4:Determination of moisture content
GB/T 1927.6-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 6:Determination of shrinkage
GB/T 1927.7-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 7:Determination of water absorption
GB/T 1927.8-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 8: Determination of swelling
GB/T 1927.9-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 9:Determination of bending strength
GB/T 1927.10-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 10:Determination of modulus of elasticity in bending
GB/T 1927.12-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 12:Determination of strength in compression perpendicular to grain
GB/T 1927.17-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 17:Determination of impact bending strength
GB/T 1927.18-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 18:Determination of resistance to impact indentation
GB/T 1927.19-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 19:Determination of static hardness
GB/T 1927.20-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 20:Determination of cleavage strength
Replace the following standards
Referenced Standards
GB/T 1927.2-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 2:Sampling methods and general requirements
GB/T 1927.4-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 4:Determination of moisture content
LY/T 1788-2008 Standard terminology relating to wood properties
Adopt standards
ISO 13061-2:2014
Related Standards
GB 4814-1984
Replaced
GB 4814-1984 Log volume table
GB 4815-1984
Replaced
GB 4815-1984 Volume table of Chinese fir tree poles
GB/T 11717-1989
Replaced
GB/T 11717-1989 Pulp logs
GB/T 1930-1991
Replaced
GB/T 1930-1991 Method for determination of the annual rings width and latewood rate of wood
GB/T 15106-1994
Replaced