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GB/T 38070-2019 English PDF

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GB/T 38070-2019: Structural composite lumber for use in structural glued laminated timber
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GB/T 38070-2019English199 Add to Cart 3 days [Need to translate] Structural composite lumber for use in structural glued laminated timber Valid GB/T 38070-2019

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Basic data

Standard ID GB/T 38070-2019 (GB/T38070-2019)
Description (Translated English) Structural composite lumber for use in structural glued laminated timber
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard P23
Classification of International Standard 91.080.20
Word Count Estimation 10,147
Date of Issue 2019-10-18
Date of Implementation 2020-05-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 38070-2019: Structural composite lumber for use in structural glued laminated timber

---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.
Structural composite lumber for use in structural glued ICS 91.080.20 P23 National Standards of People's Republic of China Structural laminated wood composite laminate Published on.2019-10-18 2020-05-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the National Forestry and Grassland Bureau. This standard is under the jurisdiction of the National Timber Standardization Technical Committee (SAC/TC41). This standard is drafted by. Nanjing University of Technology, Central South University of Forestry and Technology, Beijing Forestry University, Nanjing City Garden Bureau, Sino-Senke Wood Structure Co., Ltd., Fujian Zhangping Mucun Forest Products Co., Ltd., Nanjing Landscape Construction Corporation, Nanjing University of Technology Construction Engineering Technology Co., Ltd. Division, Suzhou Xiangshan Workshop Construction Co., Ltd. The main drafters of this standard. Lu Weidong, Liu Weiqing, Yue Kong, Zhou Xianyan, Shen Shijie, Wu Zheyan, Lu Kui, Ding Zhenyan, Yang Huifeng, Cheng Xiaowu, Sun Xiaoyu, Liu Xingxing, Li Qiang, Yang Fang, Feng Xiaodong. Structural laminated wood composite laminate

1 Scope

This standard specifies the terms and definitions, technical requirements, inspection methods and inspection rules for structural composite wood composite laminates. This standard applies to wood composite laminates for the manufacture of structural laminated materials.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 4823 sawn timber defect GB/T 18259 wood-based panel and its surface decoration terminology GB/T 20241 veneer lumber GB/T 26899-2011 structural laminated timber

3 Terms and definitions

The following terms and definitions as defined in GB/T 18259, GB/T 20241 and GB/T 26899-2011 apply to this document. 3.1 Wood composite laminate structuralcompositelumber; SCL Composite sheet composed of a small-sized wood unit bonded together by a binder in a grain direction, including veneer lumber, veneer lamination Materials, shavings and inlaid reinforced wood composite laminates. 3.2 Veneered laminated timber laminatedveneerlumber; LVL A multi-layered (or spliced) veneer is laminated with a main body as a main component. 3.3 Veneer lumber material paralelstrandlumber; PSL After the veneer is dried, it is cut into a single strip, and then a wooden board is applied by applying an adhesive, drying, forming a blank, and pressing. 3.4 Shavings laminated timber laminatedstrandlumber;LSL After the narrow-length thin flat shavings are sized, they are arranged in the longitudinal direction of the shavings by a directional device to form a slab of a certain thickness, which is pressed. a wooden board. Generally, the length of the LSL blade is more than.200mm, and the arrangement direction is parallel to the plate length direction. 3.5 Inline reinforced wood composite laminate inlay reinforcementlumber; IRL A structural laminate in which wood is bonded to high-strength materials in the direction of the grain.

4 Technical requirements

4.1 Thickness and deviation The thickness and deviation of the wood composite laminate shall comply with the following requirements.

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