GB/T 4812-2016 English PDF

US$199.00 · In stock
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GB/T 4812-2016: Logs of super grade
Status: Valid

GB/T 4812: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4812-2016	199	Add to Cart	3 days	Logs of super grade	Valid
GB/T 4812-2006	219	Add to Cart	2 days	Logs of super grade	Obsolete
GB/T 4812-1995	199	Add to Cart	2 days	Logs of super grade	Obsolete
GB 4812-1984	199	Add to Cart	2 days	Logs of super grade	Obsolete

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Basic data

Standard ID: GB/T 4812-2016 (GB/T4812-2016)
Description (Translated English): Logs of super grade
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B68
Classification of International Standard: 79.040
Word Count Estimation: 10,195
Date of Issue: 2016-10-13
Date of Implementation: 2017-05-01
Older Standard (superseded by this standard): GB/T 4812-2006
Regulation (derived from): National Standard Notice No.1716 of 2016
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 4812-2016: Logs of super grade

---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.
Logs of super grade ICS 79.040 B68 National Standards of People's Republic of China Replace GB/T 4812-2006 Special logs 2016-10-13 released 2017-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 4812-2006 "special logs". This standard and GB/T 4812-2006 compared to the main amendments are as follows. --- adjust the tree species, foot length, check the ruler (see 4.1, 4.2,.2006 version 3.1,3.2); - modified the allowable limits for splitting (see Table 2 in Table 2, Table 2 in.2006, version 3.3); - relax the tree bag (hidden section), bend the limit (see Table 2 in Table 2, Table 2 in Table 3.3 of.2006); (2) Table 2, Table 2 of.2006, 3.3); - increased pocket, multi-directional bending, burst limits and the name of the main applicable species (see Table 2 and Appendix A in 4.3). This standard is proposed by the State Forestry Administration. This standard is under the jurisdiction of the National Committee for Standardization of Wood (SAC/TC41). The drafting of this standard. Heilongjiang Province Forest Industry Administration, Heilongjiang Province Institute of Wood Science, Guilin Forestry Bureau Wood Corporation, East Fanghong Forestry Bureau, Founder Forestry Bureau, Chaihe Forestry Bureau, Huangnihe Forestry Bureau. The drafters of this standard. Liu Changqi, Shi Lancui, Xu Bin, Zhu Baolei, Huang Zhonghua, Guan Shuai, Cao Xiufang, Chu Wenbi, Pan Shusen, Liu Shulan, Cui Yujia, Zhang Binglin, Su Zhaofeng, Zhang Longde, Yang Zhongcheng, Xin Wenjia, Li Yin, Yu Changjiu, Yang Chajun, Yang Liangqing, Sun Jingbo, Guan Yongchun. This standard replaced the previous version of the standard release. GB 4812-1984, GB/T 4812-1995, GB/T 4812-2006. Special logs

1 Scope

This standard specifies the terminology and definition of special logs, requirements, test methods, volume calculation, sampling method. This standard applies to high-grade buildings, decoration, cultural relics decoration, furniture, musical instruments and various special-purpose high-quality logs.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 144 logs inspection GB/T 155 logs defects GB/T 4814 Logs table Test terminology for logs GB/T 17659.1 Sampling and determination method for batch inspection of log saws - Part 1. Sampling and determination method for batch inspection of logs LY/T 1511 logs Product logo number printed

3 terms and definitions

GB/T 155, GB/T 15787 The terms and definitions defined apply to this document.

4 requirements

4.1 Tree name The name of the tree species shall comply with the requirements of Appendix A. 4.2 size 4.2.1 size should be consistent with the provisions of Table 1. Table 1 size species Foot gauge Check the ruler cm Coniferous trees 2 ~ 6 from 22 or more (cedar, fir since 20 or more) Broadleaf trees 2 to 6 from 24 or more (white birch since 20 or more) 4.2.2 scale long press 0.2m upgrade, long tolerance. 6-2cm. 4.2.3 Check the foot size by 2cm upgrade. ......

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