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GB/T 1455-2022: Test method for shear properties of sandwich constructions or cores
Status: Valid GB/T 1455: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 1455-2022 | English | 199 |
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Test method for shear properties of sandwich constructions or cores
| Valid |
GB/T 1455-2022
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| GB/T 1455-2005 | English | 439 |
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Test method for shear properties of sandwich constructions or cores
| Obsolete |
GB/T 1455-2005
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| GB/T 1455-1988 | English | 199 |
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Test method for shear properties of sandwich constructions or cores
| Obsolete |
GB/T 1455-1988
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PDF similar to GB/T 1455-2022
Standard similar to GB/T 1455-2022 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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