GB/T 1455-2022 English PDF

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GB/T 1455-2022: Test method for shear properties of sandwich constructions or cores
Status: Valid

GB/T 1455: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 1455-2022	199	Add to Cart	3 days	Test method for shear properties of sandwich constructions or cores	Valid
GB/T 1455-2005	439	Add to Cart	3 days	Test method for shear properties of sandwich constructions or cores	Obsolete
GB/T 1455-1988	199	Add to Cart	2 days	Test method for shear properties of sandwich constructions or cores	Obsolete

Similar standards

GB/T 1458   GB/T 1457   GB/T 1456   GB/T 1464   

Basic data

Standard ID: GB/T 1455-2022 (GB/T1455-2022)
Description (Translated English): Test method for shear properties of sandwich constructions or cores
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q23
Word Count Estimation: 10,150
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 1455-2022: Test method for shear 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 shear properties of sandwich constructions or cores ICS 83.120 CCSQ23 National Standards of People's Republic of China Replacing GB/T 1455-2005 Test method for shear properties of sandwich structures or cores Published on 2022-03-09 2022-10-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

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 of Standardization Documents" drafted. This document replaces GB/T 1455-2005 "Sandwich structure or core shear performance test method", compared with GB/T 1455-2005, In addition to structural adjustments and editorial changes, the main technical changes are as follows. a) Added requirements for wood core samples (see 6.5); b) The provisions on hierarchical loading are deleted (see 9.7 of the.2005 edition); c) Added the letter code of the destruction form (see Table 1); d) Added 2% bias stress as a result output and added related calculations (see 10.2 and Figure 4). 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 Shangbo Testing Co., Ltd., Beijing Jinfeng Kechuang Wind Power Equipment Co., Ltd. Co., Ltd., Huibo New Material Technology (Shanghai) Co., Ltd., Mingyang Smart Energy Group Co., Ltd., Zhejiang Lianyang New Materials Co., Ltd. Company, Weihai Weisai New Material Technology Co., Ltd., Jiangsu Zhongke Polymer New Material Industry Technology Research Institute Co., Ltd., Beijing Glass Steel Institute Center Ltd. The main drafters of this document. Fu Zhen, Zhang Xiaoping, Liu Baofeng, Lin Yanjian, Wang Yanli, Lei Weifeng, Liu Huwei, Chen Yujiao, Peng Xingcai. The previous versions of this document and its superseded documents are as follows. --- First published in 1978 as GB/T 1455-1978, first revised in 1988, second revised in.2005; ---This is the third revision. Test method for shear properties of sandwich structures or cores

1 Scope

This document specifies the test principle, test equipment, sample, sample preparation, state adjustment, test Test procedures, test results and processing and test reports. This document applies to sandwich structures or core specimens for the determination of the in-plane shear strength and in-plane shear modulus of the core.

2 Normative references

The 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 Plastics

3 Terms and Definitions

The terms and definitions defined in GB/T 3961 and the following apply to this document. 3.1 plane shear strength Shear force is measured along the shear strength of the sandwich panel. Note. The plane shear strength is mainly borne by the core, also known as the core shear strength. 3.2 plane shear modulus planeshearmodulus Shear Force The ratio of shear stress to shear strain measured in the elastic range under the action of a sandwich panel. Note. Plane shear modulus is also called core shear modulus.

4 Test principle

By applying a tensile or compressive load to the metal loading block bonded to the sample, a plane shear is generated on the core along the direction of the sandwich panel, The in-plane shear strength of the core is thus measured. When the deformation gauge is installed to measure the relative displacement of the two panels or the two loaded steel plates, the core can be measured. plane shear modulus.

5 Test equipment

5.1 The testing machine shall comply with the provisions of GB/T 1446. 5.2 The shear test is divided into two types. tensile shear and compression shear. The schematic diagram of the tensile shear test device is shown in Figure 1, and the schematic diagram of the compression shear test device is shown in Figure 2. ......

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