GB/T 23561.2-2009
ActiveMethods for determining the physical and mechanical properties of coal and rock - Part 2: Methods for determining the true density of coal and rock
煤和岩石物理力学性质测定方法 第2部分：煤和岩石真密度测定方法
Application Summary AI generated
This standard specifies the test methods for determining the true density of coal and rock samples, excluding internal pores and fractures. It is applied in the mining industry for geological exploration, resource evaluation, and coal seam gas content calculations. The standard ensures consistent density measurements for engineering design and safety assessments in underground mining operations.
Related Standards
GB/T 20104-2006
Method for identifying tendency of coal to spontaneous combustion by oxygen absorption with chromatograph
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
GB/T 23561.8-2009
Methods for determining the physical and mechanical properties of coal and rock - Part 8: Methods for determining the deformation parameters 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 23561.6-2009
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 23561.5-2009
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 23561.4-2009
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 23561.3-2009
Methods for determining the physical and mechanical properties of coal and rock - Part 3: Methods for determining the block density of coal and rock
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.