Sinkhole Controls
Water dissolution rate
18
mm/yr
Rock/soil cohesion
40
kPa
Roof depth
14
m
Time speed
40
yr/s
⏸ Pause
⟳ Reset
Elapsed
0 yr
Cavity radius
0.5 m
Critical span
— m
Factor of safety
—
STABLE
Void dissolves underground until the roof span exceeds the critical span — then the surface collapses.