GB/T 22349-2008Sheathing plywood for timber structures (English PDF)

Foreword

The standard static bending strength, elastic modulus performance indicators refer to the Japanese Agricultural Standards (JAS) "Plywood" to be related to structural plywood Seek (February 27, 2003 MAFF Notification No. 233); structural performance indicators and test methods refer to the United States PS1-95 "Building Structures Industrial plywood "and PS2-04" wood-based sheet structure with an artificial performance standards. " Appendix A of this standard is a normative appendix. This standard was proposed by the State Forestry Administration. This standard by the National Standardization Technical Committee based panels. This standard is drafted by: Forest Products Industry Research Institute of Heilongjiang Academy of Forestry. Participated in the drafting of this standard. International Bamboo and Rattan Network Center, Northeast Forestry University, Hubei Eastern Wood Co., Ltd., Hubei Fu Han Wood has Limited. The main drafters of this standard. Lin Limin, Wang Ge, Wang Chunming, Geng Shaohui, well learn Wei, Yan Chao, Liu Qing, Xu Zhongyi. Wooden structure covered with plywood boards

1 Scope

GB/T 22349-2008 is the Chinese national standard on sheathing plywood for timber structures, in the field of wood technology. The /T suffix marks it as a recommended standard: it is not compulsory by itself, but it becomes binding as soon as a contract, a tender or a customer specification calls it up - which in practice is how most foreign buyers meet it. It was issued on 2 September 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China, and has been in force since 1 March 2009. Classification: ICS 79.060.10, CCS B70. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This standard specifies the structure of wood sheathing plywood terms and definitions, classification, requirements, test methods, inspection rules, signs, labels, Packaging and transport and storage. This standard applies for sheathing panels in wood frame housing construction plywood.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

GB/T 1933 Wood density determination method ( GB/T 1933-1991, eqv ISO 3131. 1975)

GB/T 2828.1-2003 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample Programme ( ISO 2859-1.1999, IDT)

GB/T 9846.7-2004 plywood - Part 7. specimen sawn

GB/T 17657-1999 panels and veneer plywood physical and chemical performance test method

GB/T 18259-2000 wood-based panel and surface decoration term Determination of thickness

GB/T 19367.1-2003 based panel board, width and length Determination of verticality

GB/T 19367.2-2003 based panel boards and edge straightness

GB 50005-2003 design of timber structures

GB 50206-2002 Construction Quality Acceptance of Timber Structure Engineering

GB/T 50329-2002 Standard Test Method for wooden structures

3 Terms and Definitions

GB/T 18259-2000 and GB 50005-2003 established and the following terms and definitions apply to this standard.

3.1 Liner In the building of wooden houses covered on beams, columns, joists and support, etc., from the load-bearing part of the role of the plate.

3.2 Building wooden houses made of plywood sheathing.

3.3 Light wooden structure, made of plywood sheathing in walls, floors and roof in.

Note. The abbreviated wall panels, floor and roof panels.

3.4 Light wooden structure clad plate has mechanical properties.