Table 2 Table of the key prevention areas in the future
Types | Cliff | Caves | Ancillary facilities |
|---|---|---|---|
Key considerations | Fissure | ①Thin roof caves ② Thin Wall between caves ③ Top and corner of caves ④ Caves near the top of the cliff ⑤ Densely distributed caves | ①Facilities which have produced displacements ② Reinforcement measures separated from the cliff |