The Influence of Physical and Chemical Reactions on Water Leakage in a Multiarch Tunnel

Table 3

Random simulation results of the state of the water-rock interaction system.

Hole number	Statistics	Reaction volume (mmol·L^−1)									Objective function/J
		X1∼X2	X3	X4	X5	X6	X7	X8	X9	X10
Hole 1	Mean value (XM)/(mmol·L^−1)	0	0.142	0.59	0.149	0.083	0.031	0.036	0.062	0.002	−234.238
	Mean square error (STD)	0	0.082	0.281	0.201	0.152	0.021	0.027	0.043	0.004	103.27
	Coefficient of variation (Cv)	0	0.577	0.476	1.349	1.831	0.677	0.75	0.694	2	0.442
Hole 2	Mean value (XM)/(mmol·L^−1)	0	0.059	0.608	0.01	0.301	0.006	0.055	0.11	0.006	−259.258
	Mean square error (STD)	0	0.054	0.259	0.041	0.209	0.008	0.025	0.051	0.02	99.233
	Coefficient of variation (Cv)	0	0.915	0.426	4.1	0.694	1.33	0.455	0.464	3.33	0.383
Hole 3	Mean value (XM)/(mmol·L^−1)	0	0.089	0.393	0.039	0.122	0.004	0.036	0.071	0.017	−167.281
	Mean square error (STD)	0	0.062	0.182	0.068	0.15	0.01	0.023	0.046	0.021	73.83
	Coefficient of variation (Cv)	0	0.7	0.463	1.74	1.23	2.5	0.64	0.648	1.235	0.441
Hole 4	Mean value (XM)/(mmol·L^−1)	0	0.099	0.853	0.091	0.086	0.031	0.067	0.134	0.001	−340.257
	Mean square error (STD)	0	0.08	0.199	0.091	0.143	0.021	0.037	0.074	0.005	93.643
	Coefficient of variation (Cv)	0	0.808	0.23	1	1.662	0.677	0.552	0.552	5	0.275