TABLE 3.

Numerical simulation grouting scheme.

Group	Bacterial solution		Cementation solution			Grouting time
	Concentration	Retention time	Flow rate	Concentration	Retention time
	(Cells/mL)	(h)	(m/s)	(mol/m3)	(h)
S-7.2-3-1.5	7.2e5	1	1.5e-3	300	10	1
S-7.2-5-1.5	7.2e5	1	1.5e-3	500	10	1
S-7.2-10-1.0	7.2e5	1	1.0e-3	1,000	10	1
S-7.2-10-1.5	7.2e5	1	1.5e-3	1,000	10	1
S-7.2-10-2.0	7.2e5	1	2.0e-3	1,000	10	1
S-7.2-15-1.5	7.2e5	1	1.5e-3	1,500	10	1
S-4.3-10-1.5	4.3e5	1	1.5e-3	1,000	10	1
M-4.3-10-1.5	4.3e5	1	1.5e-3	1,000	10	5
M-7.2-10-1.5	7.2e5	1	1.5e-3	1,000	10	5
M-7.2-10-1.0	7.2e5	1	1.0e-3	1,000	10	5
M-7.2-10-2.0	7.2e5	1	2.0e-3	1,000	10	5
M-7.2-3-1.5	7.2e5	1	1.5e-3	300	10	5
M-7.2-5-1.5	7.2e5	1	1.5e-3	500	10	5
M-7.2-15-1.5	7.2e5	1	1.5e-3	1,500	10	5