Prediction of Soil Deformation in Tunnelling Using Artificial Neural Networks

Table 5

displacement of key points.

Test number	Point 11			Point 14			Point 15
	Prediction data (mm)	Test data (mm)	Error (%)	Prediction data (mm)	Test data (mm)	Error (%)	Prediction data (mm)	Test data (mm)	Error (%)
1	−5.12	−4.46	14.8	−1.33	−1.76	24.43	−1.12	−0.78	43.59
2	−16.21	−11.71	38.43	−4.25	−5.43	21.73	−3.45	−3.23	6.81
3	1.93	2.22	13.06	−0.78	−0.60	30.00	−22.56	−27.23	17.15
4	63.38	59.16	7.13	−82.24	−90.55	9.18	−45.68	−40.88	11.74
5	0.75	0.57	31.58	−0.52	−0.23	126.09	−1.21	−1.16	4.31
6	−5.28	−5.77	8.49	−11.37	−9.38	21.22	−1.16	−1.06	9.43
7	−7.01	−6.79	3.24	−3.26	−2.14	52.34	−2.15	−1.79	20.11
8	−113.42	−107.30	5.70	−23.29	−26.49	12.08	−21.64	−26.50	18.34
9	−72.22	−64.17	12.54	−13.04	−13.20	1.21	−14.06	−13.17	6.76
10	−0.94	−0.67	40.30	−1.61	−1.75	8.00	−0.44	−0.25	76.00