GB 449-1984
Replaced
GB/T 1927.3-2021
Active
National standards
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 1927.3-2021 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
Basic Information
Standard Code:
GB/T 1927.3-2021
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
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国木材标准化技术委员会(SAC/TC 41)
Pages:
6 pages
Scope
本文件描述了测定无疵小试样木材生长轮宽度和晚材率的试验设备、试样、试验步骤、计算结果和试验记录等。本文件适用于无疵小试样木材横切面上生长轮界限明显的生长轮宽度及早晚材区别明显的木材生长轮中晚材率的测定。
Development Information
Drafting Units:
国际竹藤中心、中国林业科学研究院木材工业研究所、厦门明红堂工艺品有限公司、苏州昆仑绿建木结构科技股份有限公司、浙江世友木业有限公司、红木枋家居科技(湖州)有限公司、北京林业大学、广东省林业科学研究院、贵州民族大学、齐鲁工业大学、西北农林科技大学、南京林业大学、四川省林业科学研究院
Drafting Persons:
费本华、安鑫、黄安民、虞华强、赵荣军、赵有科、李晓玲、黄荣凤、金枝、张冉、徐金梅、向鹅玲、黄灿、倪竣、倪月忠、张超、张淑琴、刘嵘、陈美玲、陈琦、宋莎莎、谢桂军、李万菊、陈礼生、唐彤、米冰冰、连彩萍、罗俊吉、黄仲华、高艳玲、杨娜、甄伟
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 1927.4-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 4:Determination of moisture content
GB/T 1927.5-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 5: Determination of density
GB/T 1927.6-2021 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
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