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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 1453-2022: Test method for flatwise compression properties of sandwich constructions or cores Status: Valid GB/T 1453: Historical versions
Basic dataStandard ID: GB/T 1453-2022 (GB/T1453-2022)Description (Translated English): Test method for flatwise compression properties of sandwich constructions or cores Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q23 Word Count Estimation: 9,941 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 1453-2022: Test method for flatwise compression properties of sandwich constructions or cores---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. Test method for flatwise compression properties of sandwich constructions or cores ICS 83.120 CCSQ23 National Standards of People's Republic of China Replacing GB/T 1453-2005 Test method for flattening properties of sandwich structures or cores Published on 2022-04-15 2022-11-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration forewordThis 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" drafted. This document replaces GB/T 1453-2005 "Sandwich structure or core flat compression performance test method", compared with GB/T 1453-2005, In addition to structural adjustments and editorial changes, the main technical changes are as follows. a) changed the scope (see Chapter 1, Chapter 1 of the.2005 edition); b) Changed the definition of flat compression and flat compression modulus (see 3.1, 3.3, 3.1 and 3.2 of the.2005 edition); c) Added the definitions of flat compressive strength, core wall and honeycomb wall (see 3.2, 3.6, 3.7); d) The definition of core crush is deleted (see 3.5 of the.2005 edition); e) Changed the test principle (see Chapter 4, Chapter 4 of the.2005 edition); f) Added requirements for balsa cores with splices (see 6.1.2); g) Added requirements for core pretreatment (see 6.3.3); h) Added test alignment requirements (see 8.4); i) the non-destructive stop condition of the test was added (see 8.5); j) Added the measurement range of the deformation measuring instrument and the requirements for adjusting the spherical support (see 8.6); k) delete the way of hierarchical loading (see 8.6 of the.2005 edition); l) Added the requirement for sample invalidation (see 8.7); m) Added the content of taking 10% thickness deformation as the failure of the specimen (see 9.2); n) Changed the content of the test report (see Chapter 10, Chapter 11 of the.2005 edition); o) Added the schematic diagram of the honeycomb structure (see Figure A.1). Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Building Materials Federation. This document is under the jurisdiction of the National Standardization Technical Committee of Fiber Reinforced Plastics (SAC/TC39). This document is drafted by. Shanghai FRP Research Institute Co., Ltd., Shanghai Shanghai Glass Testing Co., Ltd., Weihai Weisai New Material Technology Co., Ltd. Company, Beijing Goldwind Kechuang Wind Power Equipment Co., Ltd., China Ship Research and Design Center, Mingyang Smart Energy Group Co., Ltd., Beijing Glass Steel Institute Testing Center Co., Ltd., Zhejiang Lianyang New Materials Co., Ltd. The main drafters of this document. Yang Ping, Liu Shuyuan, Zhang Xiaoping, Zhang Xu, Ma Hui, Liu Huwei, Wen Birong, He Qijian, Hu Bo, Lei Jiajing, Wang Yanli, Peng Xingcai and Lei Weifeng. The previous versions of this document and its superseded documents are as follows. --- First published in 1978 as GB 1453-1978, first revised in 1987, second revised in.2005; ---This is the third revision. Test method for flattening properties of sandwich structures or cores1 ScopeThis document specifies the test principles, test equipment, test specimens, test conditions and state adjustment, test steps for the flattening properties of sandwich structures or cores procedures, test results and processing and test reports. This document applies to the determination of the flat compressive strength and flat compressive modulus of sandwich structures or cores.2 Normative referencesThe contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 1446 General Principles of Test Methods for the Properties of Fiber Reinforced Plastics GB/T 1464 Sandwich structure or core density test method GB/T 3961 Terminology of Fiber Reinforced Plastics3 Terms and DefinitionsThe terms and definitions defined in GB/T 3961 and the following apply to this document. 3.1 flatwisecompression Compression perpendicular to the sandwich panel direction, core face or parallel to the core walls. 3.2 In the process of flat pressing, the maximum compressive load that the sample can bear per unit area. 3.3 The ratio of compressive stress and strain in the elastic range during flat pressing. 3.4 For the honeycomb sandwich structure, the maximum compressive load on the actual unit honeycomb wall area perpendicular to the direction of the sandwich structure panel. 3.5 For the honeycomb sandwich structure, the ratio of the stress to the strain of the honeycomb wall measured in the elastic range along the vertical direction of the sandwich structure panel. 3.6 core wall thewalofcore The remaining surfaces of the core sample except the working surface. 3.7 bee wall thewalofhoneycomb The part of the sample that separates the lattice and is perpendicular to the working surface. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 1453-2022_English be delivered?Answer: Upon your order, we will start to translate GB/T 1453-2022_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 1453-2022?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1453-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
