GB/T 2007.1-1987
Active
GB/T 23561.12-2024
Active
National standards
GB/T 23561.12-2024 Methods for determining the physical and mechanical properties of coal and rock—Part 12:Method for the determination coal hardiness coefficients
GB/T 23561.12-2024 Methods for determining the physical and mechanical properties of coal and rock—Part 12:Method for the determination coal hardiness coefficients
Basic Information
Standard Code:
GB/T 23561.12-2024
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods
ICS Name:
Mining and mineral products comprehensive
Publish Date:
2024-08-23
Implement Date:
2025-03-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
中国煤炭工业协会
Pages:
16 pages
Scope
本文件规定了捣碎法测定煤的坚固性系数的仪器设备、试件规格、测定步骤和数据计算。
本文件适用于煤样块度为20 mm～30 mm时煤的坚固性系数的测定和计算，当煤样块度达不到20 mm～30 mm时，可以采用块度为1 mm～3 mm的煤样进行测定和计算。
Development Information
Drafting Units:
煤炭科学技术研究院有限公司、煤炭科学研究总院有限公司、中煤科工开采研究院有限公司
Drafting Persons:
孙中学、李宏艳、舒龙勇、李阳、张慧杰、迟娜娜、莫云龙、李丹、刘波、刘学、王斌、齐庆新、夏永学
Same series standard
GB/T 23561.1-2024 Methods for determining the physical and mechanical properties of coal and rock—Part 1:General requirements for sampling
GB/T 23561.8-2024 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 23561.11-2024 Methods for determining the physical and mechanical properties of coal and rock—Part 11:Methods for determining shear strength of coal and rock
Replace the following standards
Related Standards
GB/T 2007.2-1987
Active
GB/T 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk Sample preparation by manual method
GB/T 2007.3-1987
Active
GB/T 2007.3-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for evaluation of quality variation
GB/T 2007.4-1987
Replaced
GB/T 2007.4-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental methods for checking the precision
GB/T 2007.5-1987
Replaced
GB/T 2007.5-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for checking the bias of sampling
GB/T 2007.6-1987
Active