Study of Instability Mechanism and Roof Caving Mode of Cementing Filling Stope: The Case Study of a Nonferrous Metal Mine in China

<div>Layout of stress measurement circles and drifts mining sequence (Circles 1–8 are stress measurement circles; the mining sequence of the drifts is from 1 <svg height="7.82449pt" id="M31" style="vertical-align:-0.04980993pt" version="1.1" viewbox="-0.0498162 -7.77468 6.36303 7.82449" width="6.36303pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M448 453H361L394 608H355L322 453H214L248 608H210L176 453H79L70 395H163L134 259H35L24 201H120L82 27H120L158 201H266L229 27H267L305 201H395L404 259H318L348 395H439L448 453ZM310 395L280 259H173L202 395H310Z"></path></g></svg> to 6 <span class="nowrap"><svg height="7.82449pt" id="M32" style="vertical-align:-0.04980993pt" version="1.1" viewbox="-0.0498162 -7.77468 6.36303 7.82449" width="6.36303pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M448 453H361L394 608H355L322 453H214L248 608H210L176 453H79L70 395H163L134 259H35L24 201H120L82 27H120L158 201H266L229 27H267L305 201H395L404 259H318L348 395H439L448 453ZM310 395L280 259H173L202 395H310Z"></path></g></svg>).</span></div>

Advances in Civil Engineering

fig15

Figure 15

Figure 15: Study of Instability Mechanism and Roof Caving Mode of Cementing Filling Stope: The Case Study of a Nonferrous Metal Mine in China 