GB/T 23561.11-2024
ActiveMethods for determining the physical and mechanical properties of coal and rock —Part 11:Methods for determining shear strength of coal and rock
煤和岩石物理力学性质测定方法 第11部分：煤和岩石抗剪强度测定方法
Application Summary AI generated
This standard specifies laboratory test methods for determining the shear strength of coal and rock samples, including direct shear and variable-angle shear procedures. It is applied in the mining industry for geotechnical engineering design, mine stability analysis, and safety assessments of underground excavations such as tunnels, slopes, and coal pillars. The standard ensures consistent testing protocols for evaluating material behavior under shear stress in coal and rock mass engineering.
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.