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GB/T 29893-2023: Log for lumber in light wood frame construction
Status: Valid GB/T 29893: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29893-2023 | English | 149 |
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Log for lumber in light wood frame construction
| Valid |
GB/T 29893-2023
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| GB/T 29893-2013 | English | 199 |
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Log for lumber in light wood frame construction
| Obsolete |
GB/T 29893-2013
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PDF similar to GB/T 29893-2023
Basic data | Standard ID | GB/T 29893-2023 (GB/T29893-2023) | | Description (Translated English) | Log for lumber in light wood frame construction | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B68 | | Classification of International Standard | 79.040 | | Word Count Estimation | 6,686 | | Date of Issue | 2023-03-17 | | Date of Implementation | 2023-10-01 | | Older Standard (superseded by this standard) | GB/T 29893-2013 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 29893-2023: Log for lumber in light wood frame construction---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS79:040
CCSB68
National Standards of People's Republic of China
Replacing GB/T 29893-2013
Logs for sawn timber for light timber structures
Released on 2023-03-17
2023-10-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
drafting:
This document replaces GB/T 29893-2013 "Logs for Sawn Timber for Light Wood Structures": Compared with GB/T 29893-2013, except for structural adjustment
In addition to rectification and editorial changes, the main technical changes are as follows:
a) Changed the material index (see 4:3, 4:3 of the:2013 edition);
b) Added inspection tools (see 5:1);
c) Increased judgment method (see Chapter 6);
d) Increased product logo (see Chapter 8):
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by the State Forestry and Grassland Administration:
This document is under the jurisdiction of the National Timber Standardization Technical Committee (SAC/TC41):
This document was drafted by: Heilongjiang Wood Science Research Institute, Zhejiang Anfengju Home Furnishing Co:, Ltd:, Yiwu Junli Garden Ancient Architects
Cheng Co:, Ltd:, Zhejiang Shiyou Wood Industry Co:, Ltd:, Dehua Rabbit Baby Decoration New Material Co:, Ltd:, Zhejiang Bailida Wood Industry Co:, Ltd:, Guangxi Guo
Xu Guirun Wood-based Panel Co:, Ltd:, Aoyi Home Furnishing (Huzhou) Co:, Ltd:, Jiangshan Baimei Home Furnishing Co:, Ltd:, Forestry Division of Guangxi Zhuang Autonomous Region
Research Institute, Heilongjiang Academy of Forestry Sciences, Heilongjiang Dongfanghong Forestry Bureau Co:, Ltd:
The main drafters of this document: Bi Kexin, Wang Hongdi, Wan Shaojun, Zhou Zhifang, Zheng Tuoyu, Zhao Xiu, Mao Lei, Yan Chao, Chen Di, Cao Jiang, Teng Keyong,
Zhang Xuesong, Zhao Lizhi, Li Chenqi, Zhao Simiao, Wang Qi, He Jincun, Gao Dandan, Chen Songwu, Zhai Fenghui, Bai Xue, Liu Yao, Shi Lancui, Su Yun,
Cui Xiaolei, Wang Chunming, Cui Lidong, Luo Yufen, Ni Hao, Luo Laipeng, Shen Xinxiang, Wu Zhongqi, Zhou Feng, Han Chengdong:
The release status of previous versions of this document and the documents it replaces are as follows:
---First published as GB/T 29893-2013 in:2013;
--- This is the first revision:
Logs for sawn timber for light timber structures
1 Scope
This document specifies the requirements, inspection methods, sampling and judgment methods, volume calculations and product marks for logs used in sawn timber for light wood structures:
This document is applicable to the production, trade and quality inspection of logs for sawn timber for light wood structures:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 144-2013 Log inspection
GB/T 155-2017 Log defects
GB/T 4814 log volume table
GB/T 15787 log inspection terms
GB/T 17659:1 Sampling and Judgment Methods for Batch Inspection and Judgment of Sawn Logs Part 1: Batch Inspection and Sampling and Judgment Methods of Logs
GB 50005-2017 Wood structure design standard
LY/T 1511 Log product mark number printing
3 Terms and Definitions
The following terms and definitions defined in GB/T 155-2017, GB/T 15787 and GB 50005-2017 apply to this document:
3:1
Logs for the processing of sawn lumber to specifications for light timber construction:
4 requirements
4:1 Tree species
Spruce (Piceaspp:), Fir (Abiesspp:), Hemlock (Tsugaspp:), Larch (Larixspp:), Pinus sylvestris (Pinussyl-
Slash pine (Pinuselliottii Engelm:), South Asian pine (Pinuslatteri Mason:), Yunnan pine (Pinusyunnanensis
leaf tree species:
4:2 Dimensional progression and tolerances
4:2:1 Length of inspection ruler: 4m~6m, step by step of 0:2m, allowable tolerance of length step is 6-2cm:
4:2:2 Diameter of measuring ruler: from above 18cm, step up by 2cm, increase by 1cm, and discard if less than 1cm:
Note: Other specifications and sizes are to be agreed upon by both parties:
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