Fig. 18From: Assessing the stability of underground caves through iSUMM (innovative, straightforward, user-friendly, mechanically-based method)Geometrical parameter choice for different underground cave environments, where: L\(_p\) is the thickness of the pillar, L\(_v\) is the void width, L is the width of the chosen section, h is its height and t is the roof thicknessBack to article page