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GB/T 31295-2014 English PDF

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GB/T 31295-2014: The core to wind turbine blade -- Determination of dimensional stability at elevated temperatures with flexural load and with compressive load
Status: Valid
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GB/T 31295-2014English209 Add to Cart 3 days [Need to translate] The core to wind turbine blade -- Determination of dimensional stability at elevated temperatures with flexural load and with compressive load Valid GB/T 31295-2014

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Basic data

Standard ID GB/T 31295-2014 (GB/T31295-2014)
Description (Translated English) The core to wind turbine blade -- Determination of dimensional stability at elevated temperatures with flexural load and with compressive load
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Q23
Classification of International Standard 59.100.99
Word Count Estimation 9,931
Date of Issue 12/5/2014
Date of Implementation 10/1/2015
Regulation (derived from) Announcement of Newly Approved National Standards 2014 No. 27
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This Standard specifies the test methods for materials under high temperature dimensional stability of bending and compression loads. This Standard applies to the manufacture of wind turbine blades of the core material, such as cross-linked PVC rigid foam

GB/T 31295-2014: The core to wind turbine blade -- Determination of dimensional stability at elevated temperatures with flexural load and with compressive load


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The core to wind turbine blade. Determination of dimensional stability at elevated temperatures with flexural load and with compressive load ICS 59.100.99 Q23 National Standards of People's Republic of China Core material for wind turbine blades and bending loads Determination of compressive load at high temperature dimensional stability Issued on. 2014-12-05 2015-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Building Materials Federation. This standard by the National Standardization Technical Committee fiberglass (SAC/TC245) centralized. This standard is drafted by. Nanjing Fiberglass Research and Design Institute Co., Ltd., Owens Corning (China) Investment Co., Ltd., the National Fiberglass Product Quality Supervision and Inspection Center. Participated in the drafting of this standard. Jushi Group Co., Ltd., Weihai Guangwei Composites Co., Ltd. The main drafters of this standard. Yang Chao, Wang Yumei, Zhang Jian Hong, Huang Ying, Chen Lihua, ROCKETS, Tang Jian. Core material for wind turbine blades and bending loads Determination of compressive load at high temperature dimensional stability

1 Scope

This standard specifies the test methods for high temperature dimensional stability of the material in bending and compression loads. This standard applies to the manufacture of wind turbine blades core material, such as cross-linked PVC rigid foam, high strength XPS foam, other rigid foam You can also refer to the use of materials. NOTE. The test value of the material depends on the test method used, and therefore, bending and compression load value at high temperature dimensional stability of the material may be different, in addition, it It can be applied directly to the test methods are consistent with the Standard Conditions. There are two test methods which by supply and demand in a particular occasion Both parties, or specified in the relevant standard.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 High temperature dimensional stability under bending load dimensionalstabilityatelevatedtemperatureswithflexuralload Materials under certain bending load is uniformly heated to a predetermined temperature from room during deformation. 2.2 Dimensionalstabilityatelevatedtemperatureswithcompressiveload compressed high temperature dimensional stability under load Material under a certain compression load is uniformly heated from room temperature to the deformation of a predetermined time.

3 high temperature dimensional stability under bending load

3.1 Sample 3.1.1 size (length × width × thickness) of (150 ± 2) mm × (20 ± 0.5) rectangular sample mm × (20 ± 0.5) mm in. Samples should be three Depicting mutually perpendicular directions on a group of specimens, taking a total of three groups of take three, well marked, labeled direction of the sample shown in Figure 1.

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