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GB/T 9966.14-2021: Test methods for natural stone - Part 14: Determination of rupture energy
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Test methods for natural stone - Part 14: Determination of rupture energy
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GB/T 9966.14-2021
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Basic data | Standard ID | GB/T 9966.14-2021 (GB/T9966.14-2021) | | Description (Translated English) | Test methods for natural stone - Part 14: Determination of rupture energy | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q21 | | Word Count Estimation | 6,688 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 9966.14-2021: Test methods for natural stone - Part 14: Determination of rupture energy---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 14.Determination of rupture energy
ICS 91.100.15
Q21
National Standards of People's Republic of China
Natural stone test method
Part 14.Determination of resistance to fracture energy
Released on 2021-04-30
2021-11-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
GB/T 9966 "Natural Stone Test Method" is divided into 18 parts.
---Part 1.Compressive strength test after drying, water saturation, 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.Abrasion resistance test;
---Part 5.Hardness test;
---Part 6.Acid resistance test;
---Part 7.Hanging strength test of stone pendant combination unit;
---Part 8.Test method for testing the structural strength of stone hanging system with uniform static pressure difference;
---Part 9.Determine the dynamic elastic modulus by measuring the fundamental frequency of resonance;
---Part 10.Determination of the seismic performance of pendant assembly units;
---Part 11.Determination of accelerated aging strength by chilling and heating;
---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 resistance to salt spray aging;
---Part 16.Determination of Linear Thermal Expansion Coefficient;
---Part 17.Determination of salt crystal strength;
---Part 18.Lithofacies analysis.
This part is Part 14 of GB/T 9966.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by the China Building Materials Federation.
This part is under the jurisdiction of the National Stone Standardization Technical Committee (SAC/TC460).
Drafting organizations of this section. Sinoma IOL Research Institute Co., Ltd., Beijing Sinoma IOL Research Institute Co., Ltd., Nan'an City Quality
Metrology and Testing Institute, Universal Marble (Dongguan) Co., Ltd., Bandung Stone Industry (Fujian) Co., Ltd.
The main drafters of this section. Zhou Junxing, Wu Zhiqiang, Li Wenhong, Hu Yuzhong, Zhan Bingnan, Lin Zhenyi.
Natural stone test method
Part 14.Determination of resistance to fracture energy
1 Scope
This part of GB/T 9966 specifies the principles, equipment, sample preparation, and test methods for determining the fracture energy test by impacting natural stone.
Test procedures, test results and test reports.
This section applies to the determination of the resistance to fracture energy of natural stone. Appraisal testing is suitable for identification and inspection of materials, and technical testing is suitable for
Product inspection and research testing.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 17670 Unified numbering of natural stone
3 Principle
After the sample is dried to a constant weight, a steel ball that continues to increase in height and then falls freely is impacted until it breaks, and the impact fracture energy is calculated.
4 Equipment
4.1 Test device. The equipment required to determine the impact fracture energy includes.
a) Steel ball, mass (1.00±0.01) kg;
b) A container with a size of not less than 400mm×400mm×150mm, in which a layer of at least 100mm thick silicon is laid
Sand (particle size 2mm~0.076mm), the container should be kept horizontal, and the position should be adjustable to facilitate the drop point to be aligned with the center;
c) A metal column with a length of about 1.5m is connected to the container, and scales are drawn at equal intervals of 50mm;
d) The sliding frame connected to the metal column should be equipped with a device that can throw steel balls vertically (the electromagnetic field-based approach can be used).
System working in a row), see Figure 1.
4.2 Blast drying oven. It can keep the temperature at (65±5)℃.
4.3 Desiccator. At least a sealed container that can hold a set of actual-size samples for appraisal testing and technical testing, with a built-in desiccant.
4.4 Bubble level.
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