GB/T 23561.4-2009
ActiveMethods for determining the physical and mechanical properties of coal and rock - Part 4: Methods for calculating the porosity of coal and rock
煤和岩石物理力学性质测定方法 第4部分：煤和岩石孔隙率计算方法
Application Summary AI generated
This standard specifies the calculation methods for determining the porosity of coal and rock samples. It is applied in the mining industry, particularly for geological exploration and coal mine safety assessments, where porosity data is used to evaluate gas storage capacity, permeability, and the potential for gas outbursts.
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 23561.3-2009
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 23561.2-2009
Methods for determining the physical and mechanical properties of coal and rock - Part 2: Methods for determining the true density of coal and rock
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