GB/T 25217.14-2020Methods for test, monitoring and prevention of rock burst—Part 14: Prevention method of roof hydraulic fracturing (English PDF)

Foreword

GB/T 25217 "Measurement, Monitoring and Prevention of Rock Burst Pressure" is divided into 14 parts.

---Part 1: The method of measuring the impact tendency of roof rock formation and index;

---Part 2: Classification of impact tendency of coal and measurement method of index;

---Part 3: The method of measuring the impact tendency and index of coal-rock composite specimens;

---Part 4: Microseismic monitoring method;

---Part 5: Ground sound monitoring method;

---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: Prevention and treatment methods for coal seam borehole pressure relief;

---Part 11: Coal seam unloading blasting prevention methods;

---Part 12: Prevention and control methods of mining protective layer;

---Part 13: Prevention methods of roof deep hole blasting;

---Part 14: Prevention and treatment methods of roof hydraulic fracturing.

This part is Part 14 of GB/T 25217.

This section was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This part of GB/T 25217 specifies the terms and definitions, instruments and equipment, and roof water Fracturing conditions, direct hydraulic fracturing method, directional hydraulic fracturing method, effect inspection, safety requirements.

This part is applicable to the prevention and control method of hydraulic fracturing of rock burst roof.

2 Normative references

The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document.

GB/T 23561.10-2010 Determination of physical and mechanical properties of coal and rock Part 10: Determination of tensile strength of coal and rock

GB/T 25217.1-2010 Methods for the determination, monitoring and prevention of rock bursts. Part 1: Classification and classification of rock bursts Index method

3 Terms and definitions

The following terms and definitions apply to this document.