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GB/T 23561.14-2010 English PDF

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GB/T 23561.14-2010: Methods for determining the physical and mechanical properties of coal and rock -- Part 14: Method for determining the swelling ratio of rock
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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 23561.14-2010	English	189	Add to Cart	3 days [Need to translate]	Methods for determining the physical and mechanical properties of coal and rock -- Part 14: Method for determining the swelling ratio of rock	Valid	GB/T 23561.14-2010

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Basic data

Standard ID	GB/T 23561.14-2010 (GB/T23561.14-2010)
Description (Translated English)	Methods for determining the physical and mechanical properties of coal and rock -- Part 14: Method for determining the swelling ratio of rock
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D04
Classification of International Standard	73-010
Word Count Estimation	8,898
Date of Issue	2010-09-26
Date of Implementation	2011-02-01
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 terms and definitions involved in the determination of rock expansion, equipment, specimens specifications, measurement procedures and data calculations. This section applies to the determination of rock and rock free expansion expansion measured lateral restraint, rock free expansion which applies to the determination of water easily disintegrated rock, rock lateral restraint expansion determination applicable to all types of rock.

GB/T 23561.14-2010: Methods for determining the physical and mechanical properties of coal and rock -- Part 14: Method for determining the swelling ratio of rock

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Methods for determining the physical and mechanical properties of coal and rock Part 14. Method for determining the swelling ratio of rock ICS 73-010 D04 National Standards of People's Republic of China Physical and mechanical properties of coal and rock Determination Part 14. Determination of swelling rock Part 14. Methodsfordeterminingtheswelingratioofrock 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 section GB/T 23561 Part 14. 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, Zhang Xueliang. Physical and mechanical properties of coal and rock Determination Part 14. Determination of swelling rock

1 Scope

This section GB/T 23561 specifies the terms and definitions involved in the determination of rock expansion, equipment, specimen size, measured step Sudden and calculated data. This section applies to the determination of free expansion rock and rock expansion measured lateral restraint. Which is suitable for the determination of rock free expansion Water is not easy disintegration of rock, rock lateral restraint expansion coefficient was measured for all types of rocks.

2 Terms and definitions

The following terms and definitions apply to this part of the GB/T 23561 of. 2.1 Rock free expansion freeswelingratioofrock Radial and axial deformation of rock specimen after flooding were produced with the original ratio of the diameter and height of the specimen, expressed as a percentage. 2.2 Rock lateral restraint expansion lateralconstraintswelingratioofrock When rock specimens under side constraints, limited by the axial (or zero) load, axial deformation produced after soaking with the original specimen height Ratio, expressed as a percentage.

3 Equipment

The main equipment are. a) Diamond machine, stone cutting machine, Moshi; b) measuring platform and universal angle ruler; c) vernier caliper, measuring range 200mm, minimum scale value 0.02mm; d) wet thermometer, range 0 ℃ ~ 50 ℃, minimum scale 0.2 ℃; e) free expansion tester, shown in Figure 1; 1 --- metal plate; 2 --- permeable upper plate; 3 --- specimen; 4 --- lower permeable plate; 5 --- thin sheet of copper; 6 --- water container. Figure 1 a schematic view of the free expansion rate tester

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