GB/T 23561.14-2010Methods for determining the physical and mechanical properties of coal and rock - Part 14: Method for determining the swelling ratio of rock (English PDF)
煤和岩石物理力学性质测定方法 第14部分：岩石膨胀率测定方法
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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 23561.14-2010 is the English-translated version of 煤和岩石物理力学性质测定方法 第14部分：岩石膨胀率测定方法.
GB/T 23561.14-2010 is the Chinese standard "Methods for determining the physical and mechanical properties of coal and rock - Part 14: Method for determining the swelling ratio of rock".
Its scope clause reads: This section GB/T 23561 specifies the terms and definitions involved in the determination of rock expansion, equipment, specimen size, measured step Sudden and calculated data.
This section applies to the determination of free expansion rock and rock expansion measured lateral restraint. Which is suitable for the determination of rock free expansion Water is not easy disintegration of rock, rock lateral restraint expansion coefficient was measured for all types of rocks. Its clauses include terms and definitions; equipment.
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Document preview — GB/T 23561.14-2010
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 Terms and definitions
- 2.1 Rock free expansion freeswelingratioofrock
- 2.2 Rock lateral restraint expansion
- 3 Equipment
1 Scope
This section GB/T 23561 specifies the terms and definitions involved in the determination of rock expansion, equipment, specimen size, measured step
Sudden and calculated data.
This section applies to the determination of free expansion rock and rock expansion measured lateral restraint. Which is suitable for the determination of rock free expansion
Water is not easy disintegration of rock, rock lateral restraint expansion coefficient was measured for all types of rocks.
2 Terms and definitions
The following terms and definitions apply to this part of the GB/T 23561 of.
2.1 Rock free expansion freeswelingratioofrock
Radial and axial deformation of rock specimen after flooding were produced with the original ratio of the diameter and height of the specimen, expressed as a percentage.
2.2 Rock lateral restraint expansion
When rock specimens under side constraints, limited by the axial (or zero) load, axial deformation produced after soaking with the original specimen height
Ratio, expressed as a percentage.
3 Equipment
The main equipment are.
a) Diamond machine, stone cutting machine, Moshi;
b) measuring platform and universal angle ruler;
c) vernier caliper, measuring range 200mm, minimum scale value 0.02mm;
d) wet thermometer, range 0 °C ~ 50 °C, minimum scale 0.2 °C;
e) free expansion tester, shown in Figure 1;
1 --- metal plate;
2 --- permeable upper plate;
3 --- specimen;
4 --- lower permeable plate;
5 --- thin sheet of copper;
6 --- water container.
Figure 1 a schematic view of the free expansion rate tester […]
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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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Related Standards
GB/T 23561.15-2010 — Methods for determining the physical and mechanical properties of coal and rock - Part 15: Method for determining the swelling stress of rock
GB/T 23561.13-2010 — Methods for determining the physical and mechanical properties of coal and rock - Part 13: Methods for determining point load strength index of coal and rock
GB/T 23561.16-2010 — Methods for determining the physical and mechanical properties of coal and rock - Part 16: Method for determining slake durability index of rock
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