Part 1: Overview. Coal mining concerns. Typical geological disturbances. Geological sequences with seams as channels of lower seismic velocities. Procedures in fault detection. In-seam seismic activities worldwide, a ceneral overview. Part 2 Physics of Channel Waves in Coal Seams. (B.A. Dombrowski, L. Dresen, H. Rueter): Seam waves as a result of interfering body waves. Dispersive wave trains, phase and group velocity. Dispersion curves. Attenuation of channel waves in coal seams. Reflection and transmission of Love channel waves at faults and seam ends. Anisotropy of coal seams. Generation of seam waves. Sensitivity curves. Part 3 Data Processing. (B.A. Dombrowski, L. Dresen, H. Rueter): Preprocessing. Analysis. Imaging. Part 4 Analogue and Numerical Modelling. (L. Dresen, D. Orlowsky, H. Rueter): Analogue methods. Numerical methods. Results of numerical and analogue modelling. Conclusions drawn from the model seismic investigation for the in-situ application of the in-seam seismic method. Part 5 Instrumentation. (L. Dresen, I. Heyde, H. Rueter): Working conditions in a coal mine. Geophysical requirements for the measuring instruments. Seismic equipment. Wave sources. Receivers. Part 6 Data Acquisition. (L. Dresen, I. Heyde, H. Rueter): Transmission surveys. Reflection surveys. Wave sources and receivers. General survey operations. Part 7 Case Histories. (L. Dresen, I. Heyde, H. Rueter): In-seam seismic surveys in Australian coal mines. In-seam seismic surveys in the UK. In-seam seismic surveys in Germany.
موضوع (اسم عام یاعبارت اسمی عام)
موضوع مستند نشده
Kohle ; SWD-ID: 40316415
موضوع مستند نشده
Seismische Prospektion ; SWD-ID: 41807613
نام شخص به منزله سر شناسه - (مسئولیت معنوی درجه اول )