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GB/T 9966.7-2020: Test methods for natural stone - Part 7: Determination of strength for individual stone anchorages
Status: Valid GB/T 9966.7: Evolution and historical versions
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| GB/T 9966.7-2020 | English | 189 |
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Test methods for natural stone - Part 7: Determination of strength for individual stone anchorages
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GB/T 9966.7-2020
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| GB/T 9966.7-2001 | English | 239 |
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Test methods for natural facing stones -- Part 7: Test method for strength of individual stoned anchorages
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GB/T 9966.7-2001
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Basic data | Standard ID | GB/T 9966.7-2020 (GB/T9966.7-2020) | | Description (Translated English) | Test methods for natural stone - Part 7: Determination of strength for individual stone anchorages | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q21 | | Classification of International Standard | 91.100.15 | | Word Count Estimation | 10,186 | | Date of Issue | 2020-03-06 | | Date of Implementation | 2021-02-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 9966.7-2020: Test methods for natural stone - Part 7: Determination of strength for individual stone anchorages
---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 methods for natural stone--Part 7. Determination of strength for individual stone anchorages
ICS 91.100.15
Q21
National Standards of People's Republic of China
Replaces GB/T 9966.7-2001
Test methods for natural stone
Part 7. Stone pendant combination unit
Hanging strength test
2020-03-06 release
2021-02-01 implementation
State Administration of Market Supervision
Published by the National Standardization Administration
Foreword
GB/T 9966 "Test Methods for Natural Stone" is divided into 18 parts.
--- Part 1. Compression strength test after drying, water saturation and freeze-thaw cycles;
--- Part 2. Bending strength test after drying, water saturation, freeze-thaw cycles;
--- Part 3. Water absorption, bulk density, true density, true porosity test;
--- Part 4. Wear resistance test;
--- Part 5. Hardness test;
--- Part 6. acid resistance test;
--- Part 7. Hanging strength test of stone pendant combination unit;
--- Part 8. Testing the structural strength of stone mounting systems with uniform static pressure difference;
--- Part 9. (by measuring the fundamental frequency of resonance) determine the dynamic elastic modulus;
--- Part 10. Determination of seismic performance of pendant combination units;
--- Part 11. Determination of accelerated aging intensity by chilling and heat;
--- Part 12. Determination of static elastic modulus;
--- Part 13. Determination of capillary water absorption coefficient;
--- Part 14. Determination of resistance to fracture energy;
--- Part 15. Determination of aging resistance to salt spray;
--- Part 16. Determination of the linear thermal expansion coefficient;
--- Part 17. Determination of salt crystal strength;
--- Part 18. Lithofacies analysis.
This part is Part 7 of GB/T 9966.
This section is drafted in accordance with the rules given in GB/T 1.1-2009.
This section replaces GB/T 9966.7-2001 "Test methods for natural facing stone. Part 7. Detection of panel unit assembly
Strength test method ". Compared with GB/T 9966.7-2001, except for editorial changes, the main technical changes are as follows.
--- Added normative references (see Chapter 2, Chapter 2 of the.2001 edition);
--- Removed terminology (see Chapter 3 of the.2001 edition);
--- The sample is soaked from distilled water to clean water (see 5.1, 6.1 of the.2001 edition);
--- Modified the schematic diagram of the test force (see Figure 1, Figure 2 and Figure 3 in 5.3, Figure 1, Figure 2 and Figure 3 in 6.3 of the.2001 version);
--- Added description of sample failure form (see 5.4);
--- Added some information on the report (see Chapter 7, Chapter 8 of the.2001 edition).
This section is proposed by China Building Materials Federation.
This section is under the jurisdiction of the National Stone Standardization Technical Committee (SAC/TC460).
This section was drafted. Sinoma Artificial Crystal Research Institute Co., Ltd., Beijing Sinoma Artificial Crystal Research Institute Co., Ltd., Universal Stone (Fu
Construction) Co., Ltd., Fujian Nan'an Lianfengmei Stone Co., Ltd.
The main drafters of this section. Zhou Junxing, Zhong Wenbo, Chen Junying, Liu Wuqiang, Zheng Jiuqin, Li Chenglang, Hou Qinchao.
The previous versions of the standards replaced by this section are.
--- GB/T 9966.7-2001.
Test methods for natural stone
Part 7. Stone pendant combination unit
Hanging strength test
1 Scope
This part of GB/T 9966 specifies the equipment, test samples,
Inspection procedures, test results and test reports.
This section applies to the determination of the hanging strength of dry hanging stone single pendant combination unit.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 5574 industrial rubber sheet
GB/T 17670 unified number of natural stone
3 Equipment
3.1 Testing machine. The accuracy is not less than 10N, the relative error of the displayed value is ± 1%, and the failure load of the sample should be within the range of 20% to 90% of the displayed value of the equipment.
Within.
3.2 Platform and fixture. When the maximum load is loaded, its deformation cannot be greater than 1mm, and its twist is less than 2 °.
3.3 Rubber pad. meet the requirements of GB/T 5574; hardness is H5 or H6.
3.4 Vernier caliper. accurate to 0.1mm.
4 Test samples
4.1 Stone size. the length and width are 300mm, the deviation is ± 1.0mm, and the thickness is the actual thickness. Grooves or holes in stone
International use requires processing, and there should be no cracks, chippings, or corners. Five pieces per group.
4.2 Pendant. The pendant actually used in the project.
4.3 According to the actual requirements of the project, the stone and the pendant are combined into a sample unit.
4.4 There should be no cracks, chippings and other defects affecting the strength on the sample unit.
4.5 Mark the fixture position on the stone, see L in Figure 1 ~ 3, and determine the fixture position according to the distance.
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