Settlement Prediction of Foundation Pit Excavation Based on the GWO-ELM Model considering Different States of Influence

Table 1

Settlement results prediction of GWO-ELM model based on time series.

Time	Accumulative settlement of JC55-2	Accumulative settlement of JC56-1	Predictive results of JC55-2	Predictive results of JC56-1	Absolute error of JC55-2 (m)	Absolute error of JC56-1 (m)	Relative error of JC55-2 (%)	Relative error of JC56-1 (%)
10/12	−8.18	−32.54	−10.58	−29.54	2.41	3.00	29.41	9.22
10/19	−7.83	−32.49	−6.15	−29.78	1.68	2.71	21.40	8.33
10/26	−8.09	−32.44	−5.66	−29.66	2.43	2.77	30.05	8.55
11/2	−9.55	−32.99	−5.66	−35.45	3.89	2.45	40.74	7.43
11/9	−10.73	−34.12	−6.03	−37.17	4.70	3.04	43.80	8.92
11/16	−10.69	−34.59	−12.06	−31.75	1.37	2.84	12.85	8.20
11/23	−11.20	−35.12	−12.18	−32.62	0.98	2.50	8.79	7.13
11/30	−11.60	−35.64	−9.72	−32.25	1.88	3.39	16.18	9.52
Min	—	—	—	—	0.98	2.45	8.79	7.13
Max	—	—	—	—	4.70	3.39	43.80	9.52
Mean	—	—	—	—	2.42	2.84	25.40	8.41