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LY/T 2905-2017 English PDF

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LY/T 2905-2017: Bamboo winding composite pipe
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Basic data

Standard ID LY/T 2905-2017 (LY/T2905-2017)
Description (Translated English) Bamboo winding composite pipe
Sector / Industry Forestry Industry Standard (Recommended)
Classification of Chinese Standard B70
Classification of International Standard 79.060.99
Word Count Estimation 30,391
Date of Issue 2017-10-27
Date of Implementation 2018-01-01
Quoted Standard GB/T 1034; GB/T 1446-2005; GB/T 1447-2005; GB/T 1449; GB/T 1458; GB/T 2576; GB/T 3139; GB/T 4380; GB/T 5351; GB/T 5352-2005; GB 8624-2012; GB/T 8626; GB/T 17219; GB/T 20284
Regulation (derived from) National Forestry Admistration Notice 2017 No. 18; Industry Standard Filing Notice No. 12 (Total No. 216)
Issuing agency(ies) State Forestry Administration
Summary This standard specifies the terms and definitions, classification and marking, technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of bamboo-wound composite pipes. This standard applies to a nominal internal diameter of 150 mm to 3 000 mm, a pressure rating of not more than 1.6 MPa, a ring stiffness rating of 5 000 N/m^2-20 000 N/m^2, and an ambient temperature of -40��C to 80��C. The bamboo winding composite pipe for water supply, municipal, industrial water supply and drainage engineering where the maximum temperature of conveying medium is not more than 90��C.

LY/T 2905-2017: Bamboo winding composite pipe

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Bamboo winding composite pipe ICS 79.060.99 B70 People's Republic of China Forestry Industry Standard Bamboo winding composite pipe Released on.2017-10-27 2018-01-01 implementation State Forestry Administration released

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Classification and Marking 2 5 Technical requirements 2 6 Test method 9 7 Inspection rules 12 8 Factory certificate, packaging, transport lifting and storage 12 Appendix A (Normative) Initial hoop tensile strength test 14 Appendix B (Normative) Initial axial tensile strength test 16 Appendix C (Normative) Test Method for Resin Content of Inner Linings 18 Appendix D (informative) Pipe fitting technical requirements 20

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Bamboo and Rattan Standardization Technical Committee (SAC/TC263). This standard was drafted. Zhejiang Xinzhou Bamboo-based Composite Materials Technology Co., Ltd., International Bamboo and Rattan Center, China Engineering Construction Association, China Water Lishui University of Science and Technology, China Irrigation and Drainage Development Center, National Energy Conservation Center, Science and Technology Promotion Center of Ministry of Water Resources, Ministry of Housing and Urban-Rural Technology and Industrialization Development Center, Linyi City Water Resources Survey and Design Institute of Shandong Province. The main drafters of this standard. Ye Wei, Wang Ge, Dai Chunsheng, Gao Benhu, Xie Chongbao, Gao Hong, Xiao Xinmin, Yan Renguang, Hu Zunfu, Zhang Shuzhen, Sun Yuanping, Li Lin, Weng Yi. Bamboo winding composite pipe

1 Scope

This standard specifies the terms and definitions, classification and marking of bamboo-wound composite pipes, technical requirements, test methods, inspection rules, signs, and packages. Loading, transport and storage. This standard applies to the nominal inner diameter of 150mm~3000mm, the pressure grade is not more than 1.6MPa, and the ring stiffness grade is 5000N/m2~ 20000N/m2, application environment temperature -40 °C ~ 80 °C, water supply, municipal, industrial water supply with maximum temperature of delivery medium not more than 90 °C Bamboo-wound composite pipe for drainage engineering.

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 1034 Determination of water absorption of plastics GB/T 1446-2005 General rules for testing performance of fibre reinforced plastics GB/T 1447-2005 Test method for tensile properties of fiber reinforced plastics GB/T 1449 fiber reinforced plastic bending performance test method Test method for mechanical properties of GB/T 1458 filament wound reinforced plastic ring specimen GB/T 2576 fiber reinforced plastic resin insoluble content test method GB/T 3139 fiber reinforced plastic thermal conductivity test method GB/T 4380 roundness deviation evaluation two-point, three-point method GB/T 5351 fiber reinforced thermosetting plastic pipe short-time water pressure failure pressure test method GB/T 5352-2005 Fiber reinforced thermosetting plastic tube parallel plate external load performance test method GB 8624-2012 Classification of combustion properties of building materials and products GB/T 8626 flammability test method for building materials GB/T 17219 Evaluation criteria for the safety of drinking water distribution equipment and protective materials GB/T 20284 Monomer Combustion Test of Building Materials or Products

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 A tube made of a winding process is a bamboo material as a base material and a thermosetting resin as a binder. By inner lining, structural layer and outer protection Layer composition. 3.2 Initial ring stiffness initialringstiffness The load of the tube length per unit length under the action of external pressure under a certain radial deformation.

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