Li GH, Yang XX, Wang D, Wang YT, Yu XY (2022) Stability of inner dump slope under coal pillar support: case study in an open-pit coal mine. Int J Coal Sci Technol 9(1):25. https://doi.org/10.1007/s40789-022-0049
The post-peak point (CD) depicts a zigzagged shape, i.e. the peak stress experiences the rise and fall pattern. The initial stress increase is due to the instability of the top layer then the stress reduces due to the elastic defor- mation of the next layer. Eventually, when the next...