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GB/T 35056-2018: Technical specifications for rock bolting in coal mine roadways
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 35056-2018 | English | 659 |
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Technical specifications for rock bolting in coal mine roadways
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GB/T 35056-2018
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Basic data | Standard ID | GB/T 35056-2018 (GB/T35056-2018) | | Description (Translated English) | Technical specifications for rock bolting in coal mine roadways | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D97 | | Classification of International Standard | 73.100.10 | | Word Count Estimation | 33,310 | | Date of Issue | 2018-05-14 | | Date of Implementation | 2018-12-01 | | Regulation (derived from) | National Standards Announcement No. 6 of 2018 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 35056-2018: Technical specifications for rock bolting in coal mine roadways---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.
(Coal Mine Roadway Bolt Support Technical Specifications)
ICS 73.100.10
D97
National Standards of People's Republic of China
Technical specification for bolt support in coal mine roadway
Published on.2018-05-14
2018-12-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Technical requirements 5
4.1 Site investigation and geotechnical evaluation of roadway surrounding rock 5
4.2 Bolt Support Design 6
4.3 Bolt support materials and components 9
4.4 Bolt support construction 12
5 Bolt support construction quality inspection 14
5.1 Testing responsibilities 14
5.2 Test content 15
5.3 Testing requirements 15
5.4 Bolt support quality assessment 16
6 Bolt Support Monitoring 16
6.1 Monitoring type 16
6.2 Monitoring content 16
6.3 Station installation and protection 17
6.4 Drawing station position and instrument distribution diagram 17
6.5 Comprehensive monitoring 17
6.6 Daily monitoring 17
6.7 Frequency of observation 17
6.8 Monitoring Information Feedback 18
6.9 Abnormal situation 18
6.10 Monitoring personnel training 18
6.11 Archive system 18
Appendix A (informative) Short anchor resin anchor drawing test 19
Appendix B (informative) Anchor pull test 25
Appendix C (informative) Installation and reading of double height roof separation indicator 27
Reference 30
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the China Coal Industry Association.
Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents.
This standard was drafted. China Coal Industry Association Coal Mine Support Professional Committee, Tiandi Technology Co., Ltd., China Coal Science and Technology
Group Nanjing Research Institute, Coal Research Institute Jianjing Research Branch, China University of Mining and Technology, Coal Science Research Institute Testing Branch, Yankuang Collection
Group Co., Ltd., Shandong Energy Xinwen Mining Group Co., Ltd., Shanxi Coking Coal Xishan Coal and Electricity Group Co., Ltd., Shanxi Pan'an Mining (Group)
Limited Liability Company, Shanxi Jincheng Anthracite Coal Mining Group Co., Ltd., Jiangsu Zhongmeishan Equipment Co., Ltd., Shijiazhuang Coal Equipment
Manufacturing Co., Ltd.
The main drafters of this standard. Kang Hongpu, Chen Guizhen, Liu Zhiqiang, Zhang Nong, Lin Jian, Ding Quanlu, Wang Fangrong, Wu Yongzheng, Wang Fuqi, Zhou Ming,
Qin Binqing, Wang Qiang, Wang Junjie, Huang Hancai, Zhao Pansheng.
Technical specification for bolt support in coal mine roadway
1 Scope
This standard stipulates the terminology and definition of bolt support technology for coal mine roadway, technical requirements, construction quality inspection of bolt support and bolt support
monitor.
This standard is applicable to bolt support in coal mine roadway, coal roadway and semi-coal rock roadway.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB 175-2007 General Portland Cement
GB/T 228.1-2010 tensile testing of metallic materials - Part 1
GB/T 23561.1-2009 Determination of physical and mechanical properties of coal and rock - Part 1
Technical specification for GB 50086 geotechnical anchoring and shotcrete support engineering
MT146.1-2011 Resin anchors - Part 1. Anchoring agents
MT146.2-2011 Resin bolts Part 2. Metal rods and accessories
MT285 seam pipe anchor
MT/T 861 mining W-shaped steel strip
MT/T 1061-2008 resin anchor glass fiber reinforced plastic rod and its accessories
3 Terms and definitions
The following terms and definitions defined in GB/T 228.1-2010, MT146.1-2011, MT285 apply to this document.
3.1
Roadway
A tunnel for coal mine upgrading, transportation, ventilation, drainage, pedestrians, power supply, etc.
3.2
Coal alley coalroadway
The coal seam area in the section accounts for 4/5 or 4/5 of the roadway.
3.3
Rock laneway
The rock area in the section accounts for 4/5 or 4/5 of the roadway.
3.4
Semi-coal rock roadway coal-rockroadway
The rock area (including the stone layer) in the section is greater than 1/5 to less than 4/5.
3.5
Anchor rockbolt
A rod system that is installed in the surrounding rock and anchors the surrounding rock. Generally by rods, trays, nuts, washers, anchors or anchoring members
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