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GB/T 30050-2013: Classification of coal-body structure
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 30050-2013 | English | 169 |
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Classification of coal-body structure
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GB/T 30050-2013
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Basic data | Standard ID | GB/T 30050-2013 (GB/T30050-2013) | | Description (Translated English) | Classification of coal-body structure | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D26 | | Classification of International Standard | 73.040 | | Word Count Estimation | 7,737 | | Quoted Standard | GB/T 12937; GB/T 18023 | | Regulation (derived from) | National Standards Bulletin No. 25 of 2013 | | 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 structure of the classification of coal based classification scheme. This standard applies to coal, without air oxidation or damage caused by human factors of coal. | GB/T 30050-2013: Classification of coal-body structure---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.
Classification of coal-body structure
ICS 73.040
D26
National Standards of People's Republic of China
Coal structure classification
Issued on. 2013-12-17
2014-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
Sort 4 1
5 1 classification scheme
Appendix A (normative) coal division of hand strength test 3
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by China Coal Industry Association.
This standard coal by the National Standardization Technical Committee (SAC/TC42) centralized.
This standard was drafted. Coal Science and Industry Group, Xi'an Institute.
The main drafters of this standard. Songxiao Zhong, Xiao Wen Zhao, Zhang Cairong, Zhang River, Lei Baolin, JIA Jian said Zhang Fan group.
Coal structure classification
1 Scope
This standard specifies the structure of coal classification based classification scheme.
This standard applies to coal without air oxidation or damage caused by human factors of coal body.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 12937 terms of coal
GB/T 18023 macro bituminous coal rock type classification
3 Terms and Definitions
3.1
Coal structure coal-bodystructure
Refers to coal seam structure is subjected to various geological evolution in geological history, the destruction of the coal inside the body by the degree of deformation characteristics.
4 Sort by
Based on the type of coal macro (see GB/T 18023) coal distinguished degree, bedding integrity, Coal and cranny and crumpled
The degree of development, coal hand strength test (see Appendix A) and other macro features for classification.
5 classification scheme
Coal structure types into native structure, fragmented structure, crumb structure, mylonite structure (see Table 1).
Table 1 Classification of coal structure
Type Code
Factors classification
Lithotypes type
Distinguished degree
Bedding Coal and integrity
Cracks and crumpled
Degree of development
Hand strength test
Native structure MJ-Ⅰ
Lithotypes type
Clear boundaries, macro
Coal rock composition can be identified
Native structural integrity,
Continuous bedding
Coal complete
Fractured not stagger layer
Reason, no crumpled structure and
Made slippery surface
Hard, harder
Fractured MJ-Ⅱ
Lithotypes type
Clear boundaries, macro
Coal rock composition can be identified,
Local slight dislocation
Native structure suffered
Minor damage, bedding
Legible
Coal or more complete
Coal crushing, pieces
Particle size is generally greater than
5mm
Exogenous fissures,
The crack of light bedding
Micro stagger, not crumpled
Development, construction occasionally
Slip marks
More rigid
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