GB/T 144-2024 in English

SUPERSEDED

Log inspection

Issued on:2024-03-15
Implemented on:2024-10-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $250.00
$243.00

Standard No:	GB/T 144-2024
Document status:	SUPERSEDED
Superseded by:	GB/T 144-2013 Log inspection
Superseded on:	2014-04-11
Title in English:	Log inspection
Title in Chinese:	原木检验
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2024-03-15
Implemented on:	2024-10-01
Superseding:	GB/T 144-2013 Log inspection
ICS Classification:	79.040-Wood, sawlogs and sawn timber
Chinese Classification:	B60-Basic standard and general method on forestry
Professional Classification:	GB-National Standard
Related Keywords:	log inspection log inspection introduction in-depth interpretation shank section inspection requirements dimensional inspection inspection requirements
Related Topics:	Bromine test principle The principle of each test Principle of inspection equipment Raw sand detection Inspection and testing principles Atomic Nickel Inspection GBT144 GBT144-1995 GBT144-2003 GBT144-2013 Dimensional inspection of logs gb/t144-2013 gb/t 144-1993 gb/t 144-2013 gbt144-2013 gb/t 144 gb/t144

《GB/T 144-2024原木检验》由TC41（全国木材标准化技术委员会）归口，TC41SC2（全国木材标准化技术委员会原木和锯材分会）执行，主管部门为国家林业和草原局。

Introduction

In-depth interpretation of GB/T 144—2024 "Log Inspection" standard

I. Background and significance of standard revision

GB/T144-2024 is the latest version of the national standard "Log Inspection", replacing the original GB/T144—2013. This revision fully considers the needs of forestry technology development and market supervision, and optimizes the original standard content in multiple dimensions.

II. Comparison of Standard Frameworks

Chapter Number	2013 Edition Contents	2024 Edition Additions/Revisals
4.2.2	No mention of lower shank section treatment	Added lower shank section inspection requirements, and explicitly discarded the lower shank section length
5.3	No radial crack inspection included	Added radial crack defect inspection requirements (see 5.3.1)
5.5.2	No multi-directional bending provisions	New inspection requirements for multi-directional bending defects, and clarification of the evaluation criteria for the ratio of maximum arch height to horizontal length

III. Interpretation of key technologies

1. Optimization of dimensional inspection

The new standard has made important improvements in dimensional inspection, especially in the lower haw section processing (4.2.2) and dimensional inspection of special materials (4.4). The newly added requirements for the diameter measurement of double-core and triple-core wood clarifies that normal parts should be selected for measurement to avoid measurement errors caused by defects in the wood body.

2. Strengthened defect inspection

The new standard introduces new defect categories such as diameter crack (5.3), multi-directional bending (5.5.2) and mechanical damage (5.16). For example, the newly added inspection requirements for damage caused by parasitic plants and bird's eye fill the gaps in the original standard in terms of tree ecological health.

IV. Implementation Suggestions

Optimize inspection tools:It is recommended to use high-precision calipers and steel tape measures to ensure that the measurement error is within the allowable range of the standard.
Strengthen personnel training:Organize special training for newly added defect categories such as radial cracks and multi-directional bending to improve inspection capabilities.
Establish an information management system:It is recommended to develop a digital inspection system to quickly identify and record log defects.

More samples: NB/T 47013.2-2015 JGJ 94-2008 YD/T 3934-2021

Sample only — not a preview of GB/T 144-2024