Self-Tuning Inference Model for Settlement in Shield Tunneling: A Case Study of the Taipei Mass Rapid Transit System’s Songshan Line

Table 4

Shield monitoring dataset.

Shear strength of soil	Groundwater level	Tunneling distance	Chamber pressure	Total thrust force	Tunneling speed	Backfill quantity	Water pressure	Settlement
5	98.525	2.044	2.294	10131	44	0	49.45	−4.45
5	98.798	1.4	2.345	10276	36	0.66	48.9	−6.3
5	98.618	0.964	2.549	10958	35	2.12	47.91	−10.19
…	…	…	…	…	…	…	…	…
9	99.083	1.009	2.289	1448	20	2.12	15.49	−29.73
10	99.1	1.009	2.396	13956	20	2.08	19.71	−30.52