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GB/T 25217.5-2019 English PDF

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US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 25217.5-2019: Methods for test, monitoring and prevention of rock burst -- Part 5: Monitoring method of earth-sound
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25217.5-2019	199	Add to Cart	3 days	Methods for test, monitoring and prevention of rock burst -- Part 5: Monitoring method of earth-sound	Valid

Similar standards

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 25217.5-2019 (GB/T25217.5-2019)
Description (Translated English): Methods for test, monitoring and prevention of rock burst -- Part 5: Monitoring method of earth-sound
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D20
Classification of International Standard: 73.010
Word Count Estimation: 10,165
Date of Issue: 2019-10-18
Date of Implementation: 2020-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 25217.5-2019: Methods for test, monitoring and prevention of rock burst -- Part 5: Monitoring method of earth-sound

---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 5. Monitoring method of earth-sound ICS 73.010 D20 National Standards of People's Republic of China Impact ground pressure measurement, monitoring and prevention methods Part 5. Geophone monitoring methods Methodsfortest, monitoringandpreventionofrockburst- Part 5. Monitoringmethodofearth-sound Published on.2019-10-17 2020-05-01 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. Prevention and treatment of roof-oriented hydraulic fracturing. This part is the fifth part 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., Yankuang Group Co., Ltd., China University of Mining and Technology, Beijing University of Science and Technology, coal Science and Technology Research Institute Co., Ltd. The main drafters of this section. Pan Junfeng, Xia Yongxue, Meng Xiangjun, Dou Linming, Jiang Fuxing, Deng Zhigang, Feng Meihua, Zhu Sitao, Liu Shaohong, Zhang Chenyang. Impact ground pressure measurement, monitoring and prevention methods Part 5. Geophone monitoring methods

1 Scope

This part of GB/T 25217 specifies the terms and definitions involved in the impact hazard geophone monitoring method, geophone monitoring equipment, and installation. Requirements, data processing and risk assessment methods. This section is applicable to the monitoring of ground pressure and geophone in coal mines.

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 3836 (all parts) Explosion-proof electrical equipment for explosive atmospheres GB/T 4208 enclosure protection grade (IP code)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Geophone earth-sound The micro-vibration information generated during the loading process of coal and rock mass is generally less than 100J and the frequency is greater than 150Hz. 3.2 Ground audio frequencyofearth-sound The number of geophone events generated by coal and rock mass per unit time within a certain spatial range. 3.3 Geophone energy earth-soundenergy The energy release value of a geophone event generated per unit time within a certain spatial range. 3.4 Geophone sensor earth-soundsensor A device for receiving a downhole ground signal. 3.5 Signal amplifier signalamplifier A device for receiving a ground signal received by a geophone, and then transmitting the signal to a ground center station. 3.6 Ground center station groundcentralstation A device for receiving a ground signal transmitted by a downhole signal amplifier and performing data storage and processing. 4 Geophone monitoring equipment, technical parameters and solutions 4.1 Geophone monitoring equipment and main technical parameters The ground sound monitor should comply with the relevant provisions of GB 3836 and GB/T 4208. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 25217.5-2019_English be delivered?

Answer: Upon your order, we will start to translate GB/T 25217.5-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 25217.5-2019_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 25217.5-2019_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.