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 (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 23561.9-2009
Scope
This part of GB/T 23561 specifies the terms and definitions involved in the determination of coal and rock triaxial compressive strength and deformation parameters, main instruments and equipment, specimen specifications, test procedures and data calculation. This part applies to coal and rock that can be processed into standard test pieces under the condition of axisymmetric three-dimensional stress (σ1σ2=σ3) under laboratory conditions. Determination of strength and deformation parameters of coal and rock specimens.
GB/T 23561.9-2009 Referenced Document
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 23561.8-2009 Methods for determining the physical and mechnical properties of coal and rock.Part 8:Methods for determining the deformation parameters of coal and rock
GB/T 23561.9-2009 history
2009GB/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