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GB/T 20239-2023: Wooden flooring for gymnasium
Status: Valid GB/T 20239: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 20239-2023 | English | 889 |
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Wooden flooring for gymnasium
| Valid |
GB/T 20239-2023
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| GB/T 20239-2015 | English | 1079 |
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Wooden flooring for gymnasium
| Obsolete |
GB/T 20239-2015
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| GB/T 20239-2006 | English | 759 |
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Wooden flooring for gymnasium
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GB/T 20239-2006
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PDF similar to GB/T 20239-2023
Basic data | Standard ID | GB/T 20239-2023 (GB/T20239-2023) | | Description (Translated English) | Wooden flooring for gymnasium | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B70 | | Classification of International Standard | 79.080 | | Word Count Estimation | 46,494 | | Date of Issue | 2023-03-17 | | Date of Implementation | 2023-10-01 | | Older Standard (superseded by this standard) | GB/T 20239-2015 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 20239-2023: Wooden flooring for gymnasium---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.
ICS79:060
CCSB70
National Standards of People's Republic of China
Replacing GB/T 20239-2015
Wooden floors for gymnasiums
Released on 2023-03-17
2023-10-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 categories 4
5 requirements 4
5:1 Commonly used materials for structural layers 4
5:2 Specification size and deviation 5
5:3 Appearance quality requirements 7
5:4 Physical and chemical properties 8
5:5 Functional requirements 10
6 Test method 11
6:1 Specification size and deviation 11
6:2 Appearance quality 11
6:3 Physical and chemical properties 11
6:4 Functional test method 16
7 Inspection rules 27
7:1 Inspection classification 27
7:2 Factory inspection 27
7:3 Type inspection 28
7:4 Composition and inspection of inspection lot 28
7:5 Sampling methods 29
7:6 Individual judgment rules 32
7:7 Comprehensive Judgment Rules 32
7:8 Inspection report 32
8 Labeling, packaging, transportation and storage 32
8:1 Flag 32
8:2 Packaging 32
8:3 Transport and storage 33
9 Basic Requirements for Construction and Acceptance 33
9:1 Basic requirements 33
9:2 Technical requirements before construction 33
9:3 Construction technical requirements 37
9:4 Acceptance requirements 37
Appendix A (Informative) Functional Explanation 38
Appendix B (informative) Basic structure of wooden floor for gymnasium 39
Reference 40
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 for Standardization Documents"
drafting:
This document replaces GB/T 20239-2015 "Wooden Floors for Gymnasiums": Compared with GB/T 20239-2015, except for structural adjustments and
Apart from editorial changes, the main technical changes are as follows:
a) Squash is added to the scope (see Chapter 1, Chapter 1 of the:2015 edition);
b) Delete bamboo flooring and all related content (see chapters 2, 3, 4, 5 and 6 of the:2015 edition);
c) Added "leveling pads", "removable sports wood flooring", "removable sports wood floor structure unit" and "sliding friction
Coefficient" and other terms and definitions (see 3:9, 3:11, 3:12, 3:18);
d) Delete the allowed terms in the terms and definitions of "damp-proof layer", "grid" and "block" (see 3:11, 3:12, 3:14 of the:2015 edition) and
"Auxiliary keel" terms and definitions (see 3:13 of the:2015 edition);
e) Changed "wooden floor", "wooden floor for gymnasium", "load distribution layer", "isolation layer", "keel", "building floor", "shock absorption rate"
Terms and definitions such as "floating pavement", "fixed pavement" and "removable pavement" (see Chapter 3, Chapter 3 of the:2015 edition);
f) In the classification, "by use" (see 4:1, 4:1 of the:2015 edition), "according to the way of paving" (see 4:3, of the:2015 edition
4:3); Deleted "by structure type" in the classification (see 4:2 of the:2015 edition);
g) Changed the requirements for commonly used materials for structural layers (see 5:1, 5:1 of the:2015 edition);
h) Changed the requirements for the specification and size of the structural layer (see 5:2:1, 5:2:1 of the:2015 edition); added "overall structure" and "overall structure
Notes on the definition of "thickness deviation" (see 5:2:2:1); changed the requirements for the size deviation of the structural layer (see 5:2:2:2, the:2015 edition
5:2:2:2); Added the requirements for the size deviation of the detachable sports wooden floor structure unit (see 5:2:2:3);
i) The requirements for the appearance quality of the overall surface layer (see 5:3:1, 5:3:1 of the:2015 edition) and the requirements for the appearance quality of the structural layer (see
5:3:2, 5:3:2 of the:2015 edition); Added the requirements for the appearance quality of the detachable sports wooden floor structure unit (see 5:3:3);
j) The requirements for the physical and chemical properties of the surface floor (see 5:4:1, 5:4:1 of the:2015 edition), load distribution layer (sub-floor) and dragon
Requirements for bone physical and chemical properties (see 5:4:2, 5:4:2 of the:2015 edition); added isolation layer (see 5:4:3), shock absorbing pad (see 5:4:4),
Requirements for physical and chemical properties of leveling pads (see 5:4:5) and baseboards (see 5:4:6);
k) Changed the functional requirements (see 5:5, 5:5 of the:2015 edition);
l) Delete the title of "Product Performance Test Method" (see 6:1 of the:2015 edition); change "Specification Size" to "Specification Size
Dimensions and deviations", and changed the inspection method of specification dimensions and deviations (see 6:1, 6:1:1 of the:2015 edition);
m) The inspection method of the overall appearance quality (see 6:2:1, 6:1:2:1 of the:2015 edition) and the inspection method of the appearance quality of the structural layer have been changed
(see 6:2:2, 6:1:2:2 of the:2015 edition);
n) The regulations on the physical and chemical performance test pieces of the surface floor are changed (see 6:3:1:1, 6:1:3:1:1 of the:2015 edition), the load distribution layer (gross
Board) physical and chemical properties test pieces (see 6:3:1:2, 6:1:3:1:2 of the:2015 edition), keel physical and chemical properties test pieces (see
6:3:1:3, 6:1:3:1:3 of the:2015 edition); added isolation layer (see 6:3:1:4), shock absorbing pad (see 6:3:1:5), leveling pad (see
6:3:1:6) and baseboard (see 6:3:1:7) physical and chemical performance test pieces;
o) The test method for the physical and chemical properties of the surface floor (see 6:3:2, 6:1:3:2 of the:2015 edition), and the physical and chemical properties of the load distribution layer (sub-floor) have been changed:
Performance test methods (see 6:3:3, 6:1:3:3 of the:2015 edition), test methods for physical and chemical properties of keels (see 6:3:4,:2015 edition
6:1:3:3); added insulation (see 6:3:5), shock pads (see 6:3:6), leveling pads (see 6:3:7) and skirting (see 6:3:8)
Physical and chemical performance test methods;
p) Changed the functional test method (see 6:4, 6:2 of the:2015 edition);
q) Changed the inspection classification (see 7:1, 7:1 of the:2015 edition), the composition and inspection of the inspection lot (see 7:2, 7:2:1 of the:2015 edition),
Sampling method (see 7:3, 7:2:2, 7:2:3, 7:2:4, 7:2:5:1 of the:2015 edition); added single-item judgment rules (see 7:4); changed
Comprehensive judgment rules (see 7:5, 7:3 of the:2015 edition);
r) The content of the logo has been changed (see 8:1, 8:1 of the:2015 edition);
s) Changes to basic requirements (see 9:1, 9:1 of the:2015 edition), pre-construction technical requirements (see 9:2, 9:2 of the:2015 edition), construction technical requirements
Technical requirements (see 9:3, 9:3 of the:2015 edition), acceptance requirements (see 9:4, 9:4 of the:2015 edition):
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by the State Forestry and Grassland Administration:
This document is under the jurisdiction of the National Wood-based Panel Standardization Technical Committee (SAC/TC198):
This document was drafted by: Heilongjiang Wood Science Research Institute, Beijing Zhongjiao Guoti Technology Inspection Co:, Ltd:, Beijing Guanxing Sports Facilities
Co:, Ltd:, Beijing Yasen Sports Industry Development Group Co:, Ltd:, Beijing Changsen Sports Technology Co:, Ltd:, Xiamen Fubo Sports Facilities Project
Co:, Ltd:, Zhejiang Yuhua Wood Industry Co:, Ltd:, Shenzhen Leading Sports Industry Co:, Ltd:, Suzhou Jinling Gongchuang Sports Equipment Co:, Ltd:
Division, Qingdao Zhongao Stadium Construction Co:, Ltd:, Sichuan Meirui Sports Equipment Co:, Ltd:, Shanghai Meikai Floor Industry Co:, Ltd:, Shanghai Pu
Liji Sports Industry Co:, Ltd:, Shanghai Jiujia Wood Industry Co:, Ltd:, Shangzhi Linghang Sports Wood Products Co:, Ltd:, Fushun Dongti Sports Wood
Flooring Factory, Weimeikang (Guangdong) Industrial Development Co:, Ltd:, Beijing Zero Times Sports Construction Engineering Co:, Ltd:, Shaanxi Mindu Industrial Co:, Ltd:
Company, Jilin Aojian Wood Industry Group Co:, Ltd:, Naibu (Beijing) Sports Development Co:, Ltd:, Wuhan Jiamu Sports Facilities Engineering Co:, Ltd:
Division, Wuhan Zhaolang Sports Development Co:, Ltd:, Hebei Gaoduan Building Materials Technology Co:, Ltd:, Hebei Shengyi Sports Flooring Co:, Ltd:, Hebei Shuang
Xin Sports Facilities Engineering Co:, Ltd:, Jiangsu Taibu Flooring Co:, Ltd:, Changchun Gonow Sports Development Co:, Ltd:, Dongguan Gaosheng Electronic Precision
Technology Co:, Ltd:, Zhejiang Yunfeng Moganshan Flooring Co:, Ltd:, Zhejiang Shiyou Wood Industry Co:, Ltd:, Creative Player (Zhongshan) Home Furnishing Co:, Ltd:
The main drafters of this document: Wang Hongdi, Zhou Zhifang, Liu Jia, Zhao Ming, Jia Xiaoran, Wang Jiaping, Zhao Jun, Zhao Simiao, Li Chenqi, An Kefu,
Jin Yuehua, Zhou Yunxiang, Yang Liu, Yang Lei, Ma Jiwen, Huang Yonggang, Chen Xian, Cao Jiang, Xu Fei, Wu Chunqiao, Sun Cai, Zhou Shipei, Xue Jianghao, Liu Zhiguo,
Gao Zheng, Liu Jian, Zhang Fei, Jiang Zhixiang, Sheng Zhitao, Liu Xiaoyu, Tang Jia, Ge Bingyang, Zhang Jigao, Pan Jinya, Ni Yuezhong, Liu Shuozhen:
The release status of previous versions of this document and the documents it replaces are as follows:
---It was first published as GB/T 20239-2006 in:2006;
---The first revision in:2015;
--- This is the second revision:
Wooden floors for gymnasiums
1 Scope
This document specifies the classification, requirements, test methods, inspection rules and signs, packaging, transportation and storage, and construction of wooden floors for gymnasiums:
Work and acceptance requirements:
This document is applicable to basketball, volleyball, handball, table tennis, badminton, gymnastics, martial arts, squash and other competitions, training, teaching, fitness
Manufacture and paving acceptance of wooden flooring for body and entertainment, with sports function, protection function and basic technical function (see Appendix A):
In this document impregnated paper laminated wood flooring is used as surface flooring and is only suitable for fitness and recreational use:
This document does not apply to wooden floors subjected to the impact of barbells for weightlifting and throwing equipment for athletics:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the 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 Counting sampling inspection procedure Part 1: Batch-by-batch inspection sampling retrieved by acceptance quality limit (AQL)
plan
GB 8624 Classification of combustion behavior of building materials and products
GB/T 8626-2007 Test methods for flammability of building materials
GB/T 11785-2005 Determination of Combustion Behavior of Flooring Materials Radiation Heat Source Method
GB 13735-2017 Polyethylene blown agricultural ground cover film
GB/T 15036:1-2018 Solid wood flooring Part 1: Technical requirements
GB/T 15036:2-2018 Solid wood flooring Part 2: Inspection methods
GB/T 17657-2022 Test methods for physical and chemical properties of wood-based panels and veneered wood-based panels
GB/T 18102-2020 Impregnated paper laminated wooden floor
GB/T 18103-2013 Solid wood composite flooring
GB 18580-2017 Limits of formaldehyde release in wood-based panels and their products for interior decoration and refurbishment
GB/T 20241-2021 Laminated veneer lumber
GB/T 22102-2008 Preservative wood
GB/T 22868-2008 Basketball
GB 50222-2017 Code for Fire Protection of Building Interior Decoration Design
GB 50300 Unified Standards for Construction Quality Acceptance of Construction Engineering
GB 50325 Indoor Environmental Pollution Control Standards for Civil Construction Engineering
FZ/T 64076-2019 Nonwoven Fabrics for Building Covering
HG/T 5328-2018 Polyurethane Rubber Soundproofing and Shock Absorbing Pad
LY/T 1580-2010 Oriented Strand Board
LY/T 1614-2011 Solid wood integrated floor
LY/T 1738-2020 Plywood for solid wood composite flooring
LY/T 1987-2020 Wooden skirting board
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