GB/T 25217.7-2019 English PDF

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GB/T 25217.7-2019: Methods for test, monitoring and prevention of rock burst -- Part 7: Monitoring method of mining-induced stress
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25217.7-2019	119	Add to Cart	3 days	Methods for test, monitoring and prevention of rock burst -- Part 7: Monitoring method of mining-induced stress	Valid

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GB/T 26127   GB/T 25211   GB/T 25210   GB/T 25217.8   GB/T 25217.9   GB/T 25217.14   

Basic data

Standard ID: GB/T 25217.7-2019 (GB/T25217.7-2019)
Description (Translated English): Methods for test, monitoring and prevention of rock burst -- Part 7: Monitoring method of mining-induced stress
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D20
Classification of International Standard: 73.040
Word Count Estimation: 6,643
Date of Issue: 2019-08-30
Date of Implementation: 2020-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 25217.7-2019: Methods for test, monitoring and prevention of rock burst -- Part 7: Monitoring method of mining-induced stress

---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 test, monitoring and prevention of rock burst - Part 7. Monitoring method of mining-induced stress ICS 73.040 D20 National Standards of People's Republic of China Impact ground pressure measurement, monitoring and prevention methods Part 7. Mining stress monitoring method Methodsfortest, monitoringandpreventionofrockburst- Part 7. Monitoringmethodofmining-inducedstress Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

GB/T 25217 "Method for measuring, monitoring and controlling impact ground pressure" is divided into 14 parts. --- Part 1. Determination of impact tendency classification and index of roof rock formation; --- Part 2. Determination of the impact tendency of coal and the method of determining the index; --- Part 3. Determination of the impact tendency classification and index of coal and rock composite test pieces; --- Part 4. Microseismic monitoring methods; --- Part 5. Geophone monitoring methods; ---Part 6. Drill cuttings monitoring method; ---Part 7. Mining stress monitoring method; --- Part 8. Electromagnetic radiation monitoring methods; ---Part 9. Coal seam water injection prevention methods; --- Part 10. Coal seam drilling pressure relief method; --- Part 11. Coal seam pressure relief blasting prevention methods; --- Part 12. Prevention and control methods for mining protective layers; --- Part 13. Prevention and treatment of roof deep hole blasting; --- Part 14. Roof hydraulic pressure cracking prevention methods. This part is part 7 of GB/T 25217. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part is proposed and managed by the China Coal Industry Association. This section drafted by. Tiandi Technology Co., Ltd., Coal Science and Technology Research Institute Co., Ltd., Yankuang Group Co., Ltd., Beijing University of Science and Technology, Liaoning University of Engineering and Technology, China University of Mining and Technology. The main drafters of this section. Qi Qingxin, Pan Junfeng, Zhang Xiufeng, Jiang Fuxing, Wang Shuwen, Zhang Hongwei, Dou Linming, Liu Shaohong, Zhao Shankun, Qin Zikai. Impact ground pressure measurement, monitoring and prevention methods Part 7. Mining stress monitoring method

1 Scope

This part of GB/T 25217 specifies the terms and definitions, monitoring schemes and impacts involved in mine ground pressure mining stress monitoring. The determination of the danger. This part is applicable to the monitoring of mining ground pressure and mining stress.

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/T 7665-2005 sensor general terminology GB/T 16414-2008 coal mine science and technology term rock mechanics

3 Terms and definitions

The following terms and definitions as defined in GB/T 7665-2005 and GB/T 16414-2008 apply to this document. 3.1 Mining stress-induced stress The mining project affects the stress in the rock mass. [GB/T 16414-2008, definition 2.27] 3.2 Stress sensor stresstransducer A sensor capable of measuring the stress of coal rock, usually composed of a stress sensitive component and a conversion component. 3.3 Monitoring point stress-monitoringpoint The location where the sensitive components of the stress sensor are buried in the coal and rock mass. 3.4 Monitoring point depth stress-monitoringpointdepth The vertical distance between the buried position of the sensitive component of the stress sensor and the surface of the alley. 3.5 Monitoring group stress-monitoringpointset A collection of several monitoring points that are close in distance. 3.6 Stress change rate The amount of change in stress at the monitoring point per unit time.

4 mining stress monitoring program

4.1 Main functions and technical parameters of mining stress monitoring system 4.1.1 The stress of coal and rock can be monitored online, and the stress data is automatically uploaded to the ground server and stored in time series. ......

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