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GB/T 40487-2021: Structural bamboo glulam
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| GB/T 40487-2021 | English | 279 |
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Structural bamboo glulam
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GB/T 40487-2021
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Basic data | Standard ID | GB/T 40487-2021 (GB/T40487-2021) | | Description (Translated English) | Structural bamboo glulam | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B67 | | Word Count Estimation | 14,163 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 40487-2021: Structural bamboo glulam---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 bamboo glulam
ICS 79.060.01
CCSB67
National Standards of People's Republic of China
Bamboo laminated timber for structure
Released on 2021-08-20
2022-03-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Requirements 2
4.1 Adhesive 2
4.2 Bamboo strip laminate 2
4.3 Requirements for billet assembly 3
4.4 Bamboo Glulam 4
5 Detection method 5
5.1 Size 5
5.2 Density 5
5.3 Moisture content 5
5.4 Horizontal shear strength 5
5.5 Tensile strength 5
5.6 Compressive strength 5
5.7 Peeling 5
5.8 Shear strength of adhesive layer 6
5.9 Flexural performance 6
5.10 Formaldehyde emissions 6
6 Inspection rules 6
6.1 Inspection classification 6
6.2 Sampling methods and judging principles 7
6.3 Judgment Rule 8
7 Identification, packaging, transportation and storage 9
7.1 Identification 9
7.2 Packaging 9
7.3 Transportation and storage 9
Reference 10
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 of Standardization Documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed by the State Forestry and Grassland Administration.
This document is under the jurisdiction of the National Bamboo and Rattan Standardization Technical Committee (SAC/TC263).
Drafting organizations of this document. Research Institute of Wood Industry, Chinese Academy of Forestry, Fujian Heqichang Bamboo Industry Co., Ltd., Tianjin Han
Jingxin Building Material Technology Development Co., Ltd., Dehua Rabbit Baby Decoration New Material Co., Ltd., Harbin Chengfeng Adhesive Co., Ltd.
The main drafters of this document. Wang Zheng, Gao Li, Yu Xianlu, Liu Rong, Guo Wenjing, Ren Ping, Chang Liang, Chen Yongping, Zhan Xianxu, Wang Wenchao.
Bamboo laminated timber for structure
1 Scope
This document specifies the requirements, inspection methods, inspection rules, product identification, packaging, transportation and storage of bamboo laminated timber for structural use.
This document is applicable to structural bamboo laminated timber made of laminated bamboo strips used in indoor environments. Other bamboo composite materials
The fabricated laminated bamboo laminated timber can be used as a reference.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 2828.1-2012 Sampling inspection procedures by attributes Part 1.Batch inspection sampling searched by acceptance quality limit (AQL)
plan
GB/T 17657-2013 Test method for physical and chemical properties of wood-based panels and facing wood-based panels
GB/T 19367-2009 Determination of the size of wood-based panels
GB/T 26899-2011 Glulam for structural use
GB/T 36394-2018 Bamboo Product Terminology
LY/T 2225-2013 laminated bamboo strips for structural use
3 Terms and definitions
The following terms and definitions defined in GB/T 36394-2018 apply to this document.
3.1
The bamboo strip laminates (3.2) (which can be finger-joined or widened) divided by grade are laminated and glued in the thickness direction for structural materials.
Note. Including horizontal and vertical bamboo laminated timber.
3.2
Bamboosliverlamination
The structure processed into a certain specification is made of laminated bamboo strips (3.3).
Note. Bamboo strip laminate is abbreviated as laminate, which includes surface processing, finger jointing and other reprocessing procedures.
3.3
Laminatedbamboosliverlumber
Bamboo strips (3.4) or bamboo strip curtains are mainly made of laminated blanks along the grain direction and hot-pressed gluing.
[Source. GB/T 36394-2018, 2.2.7 and 2.2.10, with modifications]
3.4
Bamboosliver
A thin unit made of bamboo slices cut longitudinally.
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