GB/T 29893-2023 in English
VALIDLog for lumber in light wood frame construction
- Issued on:2023-03-17
- Implemented on:2023-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
《GB/T 29893-2023轻型木结构锯材用原木》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，主管部门为国家林草局。
Introduction
1. Background of standard formulation and technological evolution
GB/T 29893-2023 "Logs for light wood structure sawn timber" is a national standard of the People's Republic of China, which is used to regulate the production, trade and quality inspection of logs for light wood structure sawn timber. This standard replaces the previous GB/T29893-2013 version and has made many improvements in technical requirements and content.
2. Comparison of standard frameworks
| Standard dimensions | Requirements of the 2013 version | Improvements of the 2023 version |
|---|---|---|
| Material indicators | The specific defect tolerance limit is not specified. | Detailed defect tolerances have been added, such as the ratio of the knot diameter to the gauge diameter is less than or equal to 30%. |
| Inspection methods | Only some provisions in GB/T144-2013 are mentioned. | Specific inspection tools and determination methods have been added to ensure a more standardized inspection process. |
| Product marking | Specific requirements for marking are not specified. | Detailed provisions for product marking have been added to facilitate traceability and management. |
3. Implementation suggestions and practical applications
Case analysis: A wooden structure construction company adopted the GB/T 29893-2023 standard and significantly improved the material quality and reduced construction defects by strictly selecting logs according to material indicators and inspection methods.
It is recommended that in actual application, companies should:
- Strengthen employee training and familiarize themselves with the specific requirements of the new standard;
- Equip with necessary inspection tools, such as steel tape measures and steel plate rulers;
- Establish a complete quality traceability system to ensure that each batch of logs meets the standards.
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