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|The application of a horizontal inclinometer and a tiltmeter to measure tilt, curvature, and deformations of shallow footings during mine subsidence is described. The measurements were taken during mining of a longwall panel in Southern Illinois and were supplemented with precision level survey data. Monitoring was conducted under a cooperative agreement between the Institute for Geotechnology at The University of Tennessee, Knoxville, the U.S. Bureau of Mines, the National Science Foundation, the Illinois Mine Subsidence Insurance Fund, and Old Ben Coal Company. Six different footings were constructed and instrumented at two sites; one above the panel centerline, and the second inside the edge of the panel in the anticipated zone of maximum tension. A brief description of the inclinometer casing and tiltplate installation is described, and the results obtained from the two instruments on a plain concrete footing compared. Observations of footing deformations and curvatures calculated from the inclinometer and tiltmeter data are also presented, and the results compared with observed structural damage.|
Additional chapters/articles from the SME-ICGCM book Tenth International Conference on Ground Control in Mining Proceedings (ICGCM) 10th
|Practical Aspects Of Longwall Pillar Design||Assessment Of Underground Structural Design||Load And Convergence Measurements In Longwall Faces And Desi||A Model Of Shield-Strata Interaction And Its Implications Fo||Stability Of Interpanel-Pillar And Deformation Of Gateroad D||Use Of Polymer Grids For Longwall Shield Recovery||Methods Of Controlling Thick And Strong Roof In Longwall Min||Tensioned Point Anchor Resin System Versus Non-Tensioned Ful||Thrust Bolting: A New Innovation In Coal Mine Roof Support||An Alternative To A Manual Torque Check On Roof Bolts||Shear Bond Stresses Along Cable Bolts||An Underground Trial Of Cable Slings For Remedial Support Of||Mobile Roof Support For Retreat Mining||Application Of Time Domain Reflectometry To Ground Control||An Examination Of Energy Calculations Applied To Coal Bump P||Delineation Of Abandoned Workings With An In-Seam Seismic Me||Remote Detection Of Abandoned Mine Workings Using Radio Imag||Effects Of Surface Topography On The Stability Of Coal Mine||Site Characterization For Ultra-Close Multi-Seam Mining||Mining Under Rivers In Fuxin Coal Mines||Use Of Database In Ground Control To Identify Weightings And||Integrating Ground Control And Mine Site Data Through A Geog||Determination Of The Rock Strength From Portable Rock Tester||Mine-Wide Physical Property Trend Identification Using Porta||Subsidence Prediction In Illinois Coal Basin||Determination Of The Stopline Subsidence Profile Of Phalen 2||Evaluation Of Subsidence Parameters For Inclined Seams In UK||Measurement Of Structural Deformation And Tilt During Subsid||Drag Picks - Influence Of Tool Geometry And Angle Of Arrack||Roof Sounding Device - A Loose Rock Detector||Advanced Surveying Method For Measuring Roof Convergence||Geomechanical Substantiation Of Extraction Of Undermined Ore||Relationship Between Floor Rock Stress And Floor Failure||The Influence Of Geomining Parameters Over Stress Distributi||Finite Element Modeling Of Subsidence Induced By Underground||The Structural Response Of A Steel Lattice Transmission Towe|