[Retracted] New Method for High Water Pressure Tunnel Design Based on Machine Learning for Smart Grid Energy Management and Groundwater Environmental Balance

Table 5

The effective stiffness of staggered joint structure.

Item	Concave tenon	Assemble	Single ring	Microcrack	Local crush	S-destruc	B4
DEM	2.01	2.59	3.52	2.88	2.02	3.04	1.83
Soil	2.68	4.24	5.4	5.63	4.77	5.17	2.21
Land use	2.69	2.13	2.54	4.64	4.84	2.83	5.05
Meteor	2.39	1.31	3.58	2.74	2.54	4.71	2.33
Runoff	3.84	1.49	2.79	5.77	2.26	2.48	2.49
Reservoir	3.17	2.02	6.74	3.54	1.3	5.16	6.96