Dynamic Response Simulation of the Slope Triggered by Fluctuating Pressure during High Dam Flood Discharge

Table 2

Variance and proportion of fluctuating pressures in each frequency band.

Frequency band	Frequency range	No.17 measuring point		No.40 measuring point
		Variance (kPa^2)	Proportion (%)	Variance (kPa^2)	Proportion (%)
a4	0–0.3494	8.7557	2.00	859.6624	67.14
d4	0.3494–0.6988	5.0400	1.15	219.9289	17.18
d3	0.6988–1.3975	10.7060	2.45	34.0706	2.66
d2	1.3975–2.7951	24.4629	5.59	51.1225	3.99
d1	2.7951–5.5902	388.4841	88.81	115.5625	9.03
Total variance		437.4487	100.00	1280.3469	100.00
Original signal variance σ^2		437.6464	—	1280.9241	—