A Quasi-3D Numerical Model for Grout Injection in a Parallel Fracture Based on Finite Volume Method

Table 10

Diffusion radius at different times for the three methods.

Time; t (s)	Diffusion radius r (m)
	Analytical	Quasi-3D model	Numerical relative errors (%)	Experimental	Experimental relative errors (%)
5	0.0892	0.0902	1.12	0.0908	1.79
10	0.1262	0.1273	0.87	0.1255	0.55
15	0.1545	0.1556	0.71	0.1558	0.84
20	0.1784	0.1792	0.45	0.1780	0.22
25	0.1995	0.2002	0.35	0.1976	0.95
30	0.2185	0.2192	0.32	0.2167	0.82
Average relative errors (%)			0.64		0.86