Abstract Tectonic coal is a soft coal, and the integrity of a tectonic coal seam can become compromised by the formation of cracks under the action of tectonic stresses. A series of tests were conducted to investigate the effect of the mass ratios of tectonic coal on its rock characteristics, including coal gas adsorption tests, specific surface measurements, and initial gas velocity determinations. The study showed that the adsorption value of coal sample gradually increased with increases in the mass ratio of tectonic coal. When the tectonic coal mass ratio reached 50%, the adsorption of the coal sample and initial gas velocity Δp reached highest values. In addition, a mathematical model using the Gibbs function was developed to determine the relationship between the initial gas velocity and the different mass ratios of tectonic coal. This research provides a theoretical foundation for further research on the control of coal and gas outbursts.

中文翻译：

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基于比表面吉布斯函数探索不同质量比构造煤吸附扩散特性

摘要 构造煤是一种软煤，在构造应力的作用下，构造煤层的完整性会因裂缝的形成而受到损害。进行了一系列试验以研究构造煤的质量比对其岩石特征的影响，包括煤气吸附试验、比表面测量和初始气速测定。研究表明，随着构造煤质量比的增加，煤样的吸附值逐渐增大。当构造煤质量比达到50%时，煤样的吸附量和初始气速Δp达到最高值。此外，还开发了使用 Gibbs 函数的数学模型来确定初始气体速度与构造煤的不同质量比之间的关系。