Research on the Reasonable Width of the Waterproof Coal Pillar during the Mining of a Shallow Coal Seam Located Close to a Reservoir

<div>Typical geological log profile of 4<sup>−2</sup> coal seam overlying strata.</div>

Advances in Civil Engineering

Figure 2: Research on the Reasonable Width of the Waterproof Coal Pillar during the Mining of a Shallow Coal Seam Located Close to a Reservoir 