Biot-Rayleigh theory 1 History of engineering & technology 1 Technology: general issues 1 amplification effects 1 cemented coal gangue-fly ash backfill sample 1 compression test 1 concrete lining structure 1 crushed rocks 1 deformation characteristics 1 directions of incident waves 1 dynamic contact force 1 equivalent nodal forces 1 fault dislocation 1 ground motions kaolin 1 lateral stress 1 macroscopic failure 1 mechanical properties 1 microcrack porosity 1 microstructure 1 non-pillar coal mining 1 rock-physics template 1 seismic damage analysis 1 seismic deterioration effect 1 slope topography 1 tight sandstone gas reservoirs 1 total porosity 1 tunnel through fault 1