GB/T 23561.2-2009
Methods for determining the physical and mechanical properties of coal and rock.Part 2:Methods for determining the true density of coal and rock (English Version)
- Standard No.
- GB/T 23561.2-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 23561.2-2009
- Scope
- This part of GB/T 23561 specifies the terms and definitions involved in the determination of the true density of coal and rock, instruments and equipment, test procedures and data calculation by pycnometer method. This section uses the pycnometer method or gas expansion method true density analyzer to determine the true density of coal or rock.
GB/T 23561.2-2009 history
- 2009 GB/T 23561.2-2009 Methods for determining the physical and mechanical properties of coal and rock.Part 2:Methods for determining the true density of coal and rock
GB/T 23561.2-2009 -All Parts
GB/T 23561.1-2009 Methods for determining the physical and mechanical properties of coal and rock.Part 1:General requirements for sampling
GB/T 23561.10-2010 Methods for determining the physical and mechanical properties of coal and rock.Part 10:Methods for determining tensile strength of coal and rock
GB/T 23561.11-2010 Methods for determining the physical and mechanical properties of coal and rock.Part 11:Methods for determining shear strength of coal and rock
GB/T 23561.12-2010 Methods for determining the physical and mechanical properties of coal and rock.Part 12:Methods for determining coal hardiness coefficient
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 23561.14-2010 Methods for determining the physical and mechanical properties of coal and rock.Part 14:Methods for determining the swelling ratio of rock
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 23561.16-2010 Methods for determining the physical and mechanical properties of coal and rock.Part 16:Method for determining slake durability index of rock
GB/T 23561.2-2009 Methods for determining the physical and mechanical properties of coal and rock.Part 2:Methods for determining the true density of coal and rock
GB/T 23561.3-2009 Methods for determining the physical and mechanical properties of coal and rock.Part 3:Methods for determining the block density of coal and rock
GB/T 23561.4-2009 Methods for determining the physical and mechanical properties of coal and rock.Part 4:Methods for calculating the porosity of coal and rock
GB/T 23561.5-2009 Methods for determining the physical and mechanical properties of coal and rock.Part 5:Methods for determining the water absorbability of coal and rock
GB/T 23561.6-2009 Methods for determining the physical and mechanical properties of coal and rock.Part 6:Methods for determining the moisture content of coal and rock
GB/T 23561.7-2009 Methods for determining the physical and mechanical properties of coal and rock.Part 7:Methods for determining the uniaxial compressive strength and counting softening coefficient
GB/T 23561.8-2024 Methods for determination of physical and mechanical properties of coal and rock Part 8: Methods for determination of deformation parameters of coal and rock
GB/T 23561.9-2009 Methods for determining the physical and mechanical properties of coal and rock.Part 9:Methods for determining the triaxial strength and deformation parameters of coal and rock