GB/T 23561.10-2010 English PDF

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GB/T 23561.10-2010: Methods for determining the physical and mechanical properties of coal and rock -- Part 10: Methods for determining tensile strength of coal and rock
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GB/T 23561.10-2010	139	Add to Cart	3 days	Methods for determining the physical and mechanical properties of coal and rock -- Part 10: Methods for determining tensile strength of coal and rock	Valid

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Basic data

Standard ID: GB/T 23561.10-2010 (GB/T23561.10-2010)
Description (Translated English): Methods for determining the physical and mechanical properties of coal and rock -- Part 10: Methods for determining tensile strength of coal and rock
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D04
Classification of International Standard: 73.010
Word Count Estimation: 6,636
Date of Issue: 2010-09-26
Date of Implementation: 2011-02-01
Quoted Standard: GB/T 23561.7-2009
Regulation (derived from): National Standard Approval Announcement 2010 No.6 (Total No.161)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the determination of the terms and definitions of coal and rock tensile method involved the use of splitting, equipment, specimens specifications, measurement procedures and data calculations. This section applies to standard specimen can be made of coal and rock.

GB/T 23561.10-2010: Methods for determining the physical and mechanical properties of coal and rock -- Part 10: Methods for determining tensile strength of coal and rock

---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.
Methods for determining the physical and mechanical properties of coal and rock Part 10. Methods for determining tensile strength of coal and rock ICS 73-010 D04 National Standards of People's Republic of China Physical and mechanical properties of coal and rock Determination Part 10. Determination of tensile strength of coal and rock Part 10. Methodsfordeterminingtensilestrengthofcoalandrock Issued on. 2010-09-26 2011-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 23561 "Determination of physical and mechanical properties of coal and rock" press release section is divided into 16 parts. --- Part 1. Sampling general provisions; --- Part 2. Determination of true density of coal and rock method; --- Part 3. coal and rock bulk density determination; --- Part 4. coal and rock porosity calculation method; --- Part 5. Determination of water absorption of coal and rock; --- Part 6. Methods for determination of moisture content of coal and rock; --- Part 7. Determination of uniaxial compressive strength and softening coefficient calculation method; --- Part 8. coal and rock deformation parameter determination method; --- Part 9. Coal and triaxial strength and deformation parameters determination method; --- Part 10. Determination of tensile strength of coal and rock; --- Part 11. coal and rock shear strength measurement method; --- Part 12. Coal consistent coefficient of determination; --- Part 13. coal and rock point load strength index measuring method; --- Part 14. Determination of swelling rock; --- Part 15. Determination of rock swelling stress; --- Part 16. Determination of rock resistant to disintegration index method. This part of GB /Part of 10 T 23561. This section of Appendix A normative appendix. This section is proposed and managed by the China Coal Industry Association. This section is drafted. Coal Mining Research Institute Research Branch Design and Research Institute of Coal Research Branch detection. The main drafters of this section. Qi Qingxin, Li Jiqing, Maode Bing, Fu Jingyu. Physical and mechanical properties of coal and rock Determination Part 10. Determination of tensile strength of coal and rock

1 Scope

This section GB/T 23561 specifies the method determined by splitting the terms and definitions, equipment, coal and rock tensile strength involved, Specimen size, measuring step and calculated data. This section applies to standard test pieces can be made of coal and rock.

2 Normative references

The following documents contain provisions which, through reference GB/T 23561 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 23561.7-2009 physical and mechanical properties of coal and rock measuring methods - Part 7. Determination of uniaxial compressive strength and softening system Calculation method

3 Terms and Definitions

The following terms and definitions apply to this part of the GB/T 23561 of. 3.1 Tensile strength tensilestrength Coal or rock under uniaxial tensile stress is reached destruction withstand the maximum tensile stress. 3.2 Chop splittingtestmethod; Braziliantest Exert a radial compression of solid cylinder specimen load line to destroy, Test methods for determining the maximum tensile stress in the specimen.

4 Equipment

The main equipment are. a) Diamond machine, sawing machine, grindstone or grinding machines; b) splitting method test jig or pad bar pad bar should use a diameter of 2.0mm ~ 3.0mm steel wire or larger than the width of the specimen diameter 0.08 to 0.10 of rubber wood; c) vernier caliper. minimum scale value 0.02mm; d) Universal angle gauge, dial indicator holder and dial indicator; e) level detection Taiwan; f) testing machine. accuracy should not be less than level 1. Load range should satisfy the formula (1). 1.25Pmax \u003cP0 \u003c5Pmax (1) Where. Pmax --- expected maximum failure load, in units of kN (kN); P0 --- material testing machine maximum range, the unit is kN (kN). ......

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