A New Modified Peck Formula for Predicting the Surface Settlement Based on Stochastic Medium Theory

Table 5

The relevant parameters of settlement curve of each ground loss rate .

Calculation method	(%)	i (m)	Smax (mm)	Relative error in width of settlement trough (%)	Relative error in maximum settlement (%)
The modified Peck formula	1.0	3.54	−31.83	18.83	−15.85
Peck formula		2.98	−37.82
The modified Peck formula	2.0	3.54	−63.81	18.83	−15.64
Peck formula		2.98	−75.64
The modified Peck formula	3.0	3.53	−95.96	18.24	−15.43
Peck formula		2.98	−113.46
The modified Peck formula	4.0	3.52	−128.26	17.95	−15.22
Peck formula		2.98	−151.28
The modified Peck formula	5.0	3.51	−160.72	17.66	−15.01
Peck formula		2.98	−189.10
The modified Peck formula	6.0	3.50	−193.35	17.37	−14.80
Peck formula		2.98	−226.93