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

Table 3

Settlement results prediction of the optimized GWO-ELM model.

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	−8.62	−33.11	0.44	0.57	5.33	1.75
10/19	−7.83	−32.49	−8.37	−33.23	0.54	0.74	6.89	2.28
10/26	−8.09	−32.44	−8.74	−31.88	0.65	0.56	7.97	1.72
11/2	−9.55	−32.99	−9.97	−32.37	0.41	0.62	4.34	1.89
11/9	−10.73	−34.12	−11.08	−34.83	0.35	0.71	3.22	2.07
11/16	−10.69	−34.59	−11.20	−33.85	0.51	0.74	4.79	2.15
11/23	−11.20	−35.12	−11.57	−34.46	0.37	0.66	3.30	1.87
11/30	−11.60	−35.64	−12.06	−36.31	0.46	0.67	3.98	1.87
Min	—	—	—	—	0.35	0.56	3.22	1.72
Max	—	—	—	—	0.65	0.74	7.97	2.28
Mean	—	—	—	—	0.47	0.66	4.98	1.95