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LY/T 2057-2022: (Wood for interior decoration)
Status: Valid LY/T 2057: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 2057-2022 | English | 149 |
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(Wood for interior decoration)
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LY/T 2057-2022
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| LY/T 2057-2012 | English | 239 |
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Square timber for interior decoration
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LY/T 2057-2012
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PDF similar to LY/T 2057-2022
Basic data | Standard ID | LY/T 2057-2022 (LY/T2057-2022) | | Description (Translated English) | (Wood for interior decoration) | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B69 | | Classification of International Standard | 79.040 | | Word Count Estimation | 6,654 | | Date of Issue | 2022-09-07 | | Date of Implementation | 2023-01-01 | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 2057-2022: (Wood for interior decoration)---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.
ICS 79.040
CCSB69
Forestry Industry Standard of the People's Republic of China
Replacing LY/T 2057-2012
Wood for interior decoration
Released on 2022-09-07
2023-01-01 Implementation
Released by the State Forestry and Grassland Administration
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 LY/T 2057-2012 "Wooden Squares for Interior Decoration". Compared with LY/T 2057-2012, except for structural adjustment and editing
In addition to sexual changes, the main technical changes are as follows.
--- Changed the scope (see Chapter 1, Chapter 1 of the.2012 edition);
--- Added "terms and definitions" (see Chapter 3);
--- Changed the tree species (see 4.1, 3.1 of the.2012 edition);
--- Changed the size, progression and tolerance (see 4.2, 3.2 of the.2012 edition);
--- Changed the expression of defect allowable limit (see 4.3, 3.3 of the.2012 edition);
---Changed the inspection requirements for live joints, dead joints, decayed and blunt edges (see Table 2, Table 2 of the.2012 edition);
--- Added twill (see Table 2, Table 2 of the.2012 edition);
--- Changed the expression of bending (see Table 2, Table 2 of the.2012 edition);
--- Changed the dimension and material index inspection (see 5.1, 4.1 of the.2012 edition);
--- Changed the expression of moisture content sampling and determination method (see 6.2, 4.3 of the.2012 edition);
--- Added "transportation and storage" (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 and managed by the National Timber Standardization Technical Committee (SAC/TC41).
This document was drafted by. Heilongjiang Institute of Wood Science, Jiangsu Brothers Smart Home Co., Ltd., Heilongjiang Academy of Forestry,
State Forestry Administration Forest Products Quality Inspection and Testing Center (Harbin), Heilongjiang Vocational College of Architecture, Heilongjiang Vocational College of Ecological Engineering.
The main drafters of this document. He Lin, Zhao Xiu, Shi Lancui, Meng Xiangpeng, Huang Haibing, Guan Shuai, Zhang Xuejiao, Yang Shuming, He Jincun, Yan Chao, Zhao Lizhi,
Cong Yan, Jia Xiaoran, Zhou Zhifang, Zhao Simiao, Li Chenqi.
The release status of previous versions of this document and the documents it replaces are as follows.
---First released in.2012 as LY/T 2057-2012;
--- This is the first revision.
Wood for interior decoration
1 Scope
This document stipulates the requirements, inspection methods, sampling and judgment methods, volume measurement, transportation and storage of wooden squares for interior decoration.
This document is applicable to the production, distribution and use of wooden beams for interior decoration without finger-jointing.
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 449 Sawn Timber Volume Table
GB/T 4822 Inspection of sawn timber
GB/T 4823 Defects in sawn timber
GB/T 6491 Drying quality of sawn timber
GB/T 16734 Names of main timbers in China
GB/T 17659.2 Sampling and Judgment Methods for Batch Inspection and Judgment of Sawn Timber of Logs Part 2.Batch Inspection and Sampling and Judgment Method of Sawn Timber
GB/T 18513 Names of China's Main Imported Timbers
3 Terms and Definitions
The terms and definitions defined in GB/T 4822 and GB/T 4823 apply to this document.
4 requirements
4.1 Tree species
All applicable tree species specified in GB/T 16734 and GB/T 18513.
4.2 Dimensions, progressions and tolerances
Dimensions, grades and tolerances shall comply with the requirements in Table 1.
Table 1 Dimensions, Progressions and Tolerances
Types of commonly used dimensions and advanced tolerances
length
1m~1.9m 0.1m 6-2cm
2m~6m 0.2m 6-2cm
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