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GB/T 25217.1-2010Methods for test, monitoring and prevention of rock burst - Part 1: Classification and laboratory test method on bursting liability of roof strata (English PDF)

冲击地压测定、监测与防治方法 第1部分:顶板岩层冲击倾向性分类及指数的测定方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 26, 2010

Implementation date

February 1, 2011

Scope

GB/T 25217.1-2010 is the English-translated version of 冲击地压测定、监测与防治方法 第1部分:顶板岩层冲击倾向性分类及指数的测定方法.

GB/T 25217.1-2010 is the Chinese standard "Methods for test, monitoring and prevention of rock burst - Part 1: Classification and laboratory test method on bursting liability of roof strata".

Its scope clause reads: This section GB/T 25217 specifies the impact of coal seam roof strata classification and terminology and definitions tendency index determination involved top Shock rock and plate orientation classification index, equipment, specimen size, quantity and water content measurement and data processing steps and roof strata Analyzing the impact of bias.

This section applies to coal seam roof strata classification and the impact orientation under laboratory conditions, the standard can be processed specimens seam roof Determination of rock pressure bump tendency index.

Its clauses include terms and definitions; roof strata and impact orientation classification index.

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Document preview — GB/T 25217.1-2010

National Standard of the People's Republic of China

ICS
73.010
Classification
D 04

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • 1 Scope
  • 2 Normative references
  • 3 Terms and Definitions
  • 4 roof strata and impact orientation classification index

1 Scope

This section GB/T 25217 specifies the impact of coal seam roof strata classification and terminology and definitions tendency index determination involved top

Shock rock and plate orientation classification index, equipment, specimen size, quantity and water content measurement and data processing steps and roof strata

Analyzing the impact of bias.

This section applies to coal seam roof strata classification and the impact orientation under laboratory conditions, the standard can be processed specimens seam roof

Determination of rock pressure bump tendency index.

2 Normative references

The following documents contain provisions which, through reference GB/T 25217 in this section constitute provisions of this section. For dated reference documents

Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section

Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.

GB/T 23561.1-2009 physical and mechanical properties of coal and rock measuring method - Part 1. General requirements Sampling

GB/T 23561.3-2009 physical and mechanical properties of coal and rock measuring method - Part 3. coal and rock bulk density determination

GB/T 23561.8-2009 physical and mechanical properties of coal and rock measuring method - Part 8. Determination of coal and rock deformation parameters

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

3 Terms and Definitions

The following terms and definitions apply to this part of the GB/T 25217 of.

3.1 Shock rock tendency burstingliabilityofrockstratum

Rock accumulate deformation energy and having an impact on the nature of the damage.

Note 1. Overrides GB/T 16414-2008, definitions 4.13.

3.2 Bending energy index

In uniform load per unit width of the deformation of rock beam reaches the limit when energy savings span.

4 roof strata and impact orientation classification index

Roof strata tendency classified for impact bending energy index value size divided into three categories (Table 1).

Table 1 roof strata and impact orientation classification index

Class I Class II Class III class

No impact Weak Strong tendency

Bending energy index/kJ UWQS<=15 15 \u003cUWQS<=120 UWQS\u003e 120

SN/T 1537-2023 | GB/T 2007.1-1987 | GB/T 2007.6-1987 | GB/T 25217.8-2021 | GB/T 25217.9-2020 | GB/T 25217.3-2019 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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