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

Table 2

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	−9.60	−30.77	1.42	1.77	17.37	5.44
10/19	−7.83	−32.49	−9.35	−30.77	1.52	1.72	19.47	5.30
10/26	−8.09	−32.44	−9.60	−31.14	1.51	1.30	18.62	4.00
11/2	−9.55	−32.99	−10.58	−34.58	1.03	1.59	10.78	4.82
11/9	−10.73	−34.12	−9.11	−35.69	1.62	1.57	15.13	4.59
11/16	−10.69	−34.59	−9.60	−32.74	1.09	1.85	10.18	5.35
11/23	−11.20	−35.12	−9.60	−33.48	1.60	1.64	14.29	4.68
11/30	−11.60	−35.64	−12.55	−33.97	0.95	1.67	8.22	4.69
Min	—	—	—	—	0.95	1.30	8.22	4.00
Max	—	—	—	—	1.62	1.85	19.47	5.44
Mean	—	—	—	—	1.34	1.64	14.26	4.86