Table 5.

Stability analysis under different rainfall scenarios.

Scheme	Rainfall intensity(m/min)	Duration of rainfall(h)	Safety factor
Plan a	$1.95\times {10}^{-5}$	24	1.0929
Plan b	$8.29\times {10}^{-5}$	24	1
Plan c	$2.06\times {10}^{-5}$	24	1