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GB/T 23561.6-2009: Methods for determining the physical and mechanical properties of coal and rock -- Part 6: Methods for determining the moisture content of coal and rock
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23561.6-2009 | English | 189 |
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Methods for determining the physical and mechanical properties of coal and rock -- Part 6: Methods for determining the moisture content of coal and rock
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GB/T 23561.6-2009
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Basic data | Standard ID | GB/T 23561.6-2009 (GB/T23561.6-2009) | | Description (Translated English) | Methods for determining the physical and mechanical properties of coal and rock -- Part 6: Methods for determining the moisture content of coal and rock | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D04 | | Classification of International Standard | 73.010 | | Word Count Estimation | 8,879 | | Date of Issue | 2009-04-08 | | Date of Implementation | 2009-12-01 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.5 (Total No.145) | | 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 moisture content of coal and rock involved, instruments and equipment, test procedures and data calculations. This section applies to the determination of moisture content of coal and rock. This part of the test using the drying method moisture content of coal and rock, for mineral water and non-crystalline rock containing water of crystallization. | GB/T 23561.6-2009: Methods for determining the physical and mechanical properties of coal and rock -- Part 6: Methods for determining the moisture content of coal and rock
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Methods for detemining the physical and mechanical properties of coal and rock Part 6. Methods for determining the moisture content 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 6. Methods for determination of moisture content of coal and rock
Posted 2009-04-08
2009-12-01 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 test methods;
--- Part 12. Coal consistent coefficient of determination;
--- Part 13. Determination of the strength of coal and rock point load;
--- 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/T 23561 Part 6.
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 of Coal Science Research Design and Research Branch Detection Research Branch.
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 6. Methods for determination of moisture content of coal and rock
1 Scope
GB/T 23561 This section provides definitions of terms and determination of moisture content of coal and rock involved, equipment, test procedures and data
Calculations.
This section applies to the determination of moisture content of coal and rock. This part drying method to test the moisture content of coal and rock, not suitable for mineral
Containing crystal water and rock containing water of crystallization.
2 Terms and definitions
The following terms and definitions apply to this part of the GB/T 23561 of.
2.1
Water quality than the quality of its after drying rocks contained in the natural state.
2.2
Water quality than the quality of its after drying the coal contained in the natural state.
3 Equipment
The main equipment are.
a) balance. a sense of the amount (minimum scale) 0.01g;
b) oven;
c) the dryer;
d) wire brush, hammer;
e) a sealing cover having a sample cell.
4 Test Procedure
4.1 aqueous taken to maintain the natural state, the composition of greater than 10 times the size of the largest rock mineral grain diameter, and less than three mass of 50g
Specimen was weighed immediately M1.
4.2 and containing no crystal water sample in an oven at 105 ℃ ~ 110 ℃ after 24h drying out, placed in a desiccator to cool to room temperature, said
Too heavy to M2.
4.3 The samples containing crystal water in an oven at 55 ℃ ~ 65 ℃ drying out after 24h, cooled in a desiccator to ambient, weighed,
Too M2.
5 Data Calculation
According to equation (1) to calculate the measurement results.
W1 = M1M2- () 1 × 100% (1)
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