Research on the Prediction Model of Shield Advancement Rate in Sandy Cobble Ground of Beijing

Table 5

Comparison of measured and predicted lines.

Interval		Rate
		0–10	10–20	20–30	30–40	40–50	50–60	60–70
Right line	Measured value	0.024	0.040	0.156	0.146	0.191	0.345	0.098
	Predictive value	0.031	0.042	0.167	0.178	0.203	0.304	0.075
Left line	Measured value	0.022	0.041	0.121	0.156	0.203	0.355	0.102
	Predictive value	0.020	0.039	0.122	0.147	0.242	0.335	0.095