Study on the Strata Movement Rule of the Ultrathick and Weak Cementation Overburden in Deep Mining by Similar Material Simulation: A Case Study in China

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Type</td><td class="align_center">Sensor</td><td class="align_center">Sensor scale</td><td class="align_center">Focal length</td><td class="align_center">Active pixels</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Sony DSLR A350 (Sony-350)</td><td class="align_center">CCD</td><td class="align_center">23.5 × 15.7 mm</td><td class="align_center">35 mm (27–375)</td><td class="align_center">4592 × 3056 pixels</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameters of the Sony-350 camera [<a href="/journals/mpe/2020/7356740/#B21" target="_blank">21</a>].</div>

Mathematical Problems in Engineering

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Table 6: Study on the Strata Movement Rule of the Ultrathick and Weak Cementation Overburden in Deep Mining by Similar Material Simulation: A Case Study in China 

Table 6 | Study on the Strata Movement Rule of the Ultrathick and Weak Cementation Overburden in Deep Mining by Similar Material Simulation: A Case Study in China 