Physics of coal and mining processes / Anatoly D. Alexeev.

1. Coal structure
1.1 Genesis of coal substance
1.2 Elemental composition of coals
1.3 Structure of organic mass
1.4 X-ray studies
1.5 Porosity
1.6 Conclusions

2. Equilibrium phase states and mass transfer in coal methane systems
2.1 Equilibrium and dynamics of mass exchange between sorbed and free methane
2.2 Joint flow of filtration and diffusion processes in coal massifs
2.3 Methane accumulation in dangerous coal lump regions
2.4 Investigation phase state and desorption
2.5 Conclusions

3. Nuclear magnetic resonance studies of coal and rocks
3.1 Experimental techniques
3.2 Coal structure research
3.3 Phase states of water and methane
3.4 Phase state of binding in rocks
3.5 Conclusions

4. Behaviors of rocks and coals in volumetric fields of compressive stresses
4.1 Experimental technique
4.2 Strength properties of rock treated by different binders
4.3 Influence of loading method and loading history on volumetric strength
4.4 Coal destruction
4.5 Limit state
4.6 Post limit state
4.7 Conclusions

5. Genesis of natural gases, methane extraction, and coal mining safety
5.1 Genesis of gases in coal bearing series
5.2 Dependence of outburst proneness on mineral inclusions
5.3 Electromagnetic method of seam degassing
5.4 Physics of fissured porous coal structure transformation under influence of unloading wave
5.5 Classification of gas dynamic phenomenon type
5.6 Predicting coal seam and sandstone outburst danger
5.7 Safe extraction of coal
5.8 Conclusions

Includes references . _ Index : p. 359 - 369