GB/T 23561.14-2010 Methods for determining the physical and mechanical properties of coal and rock.Part 14:Methods for determining the swelling ratio of rock (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 23561.14-2010
Scope
This part of GB/T 23561 specifies the terms and definitions, instruments and equipment, specimen specifications, measurement procedures and data calculation involved in the determination of rock expansion rate. This section applies to the determination of rock free expansion rate and rock lateral constraint expansion rate determination. Among them, the determination of rock free expansion rate is suitable for rocks that are not easy to disintegrate when exposed to water, and the determination of rock lateral restraint expansion rate is applicable to all kinds of rocks.
GB/T 23561.14-2010 history
2010GB/T 23561.14-2010 Methods for determining the physical and mechanical properties of coal and rock.Part 14:Methods for determining the swelling ratio of rock