Grouting Mechanism of Cement-Based Slurry in a Concentric Annulus under High Groundwater Pressure

Figure 10

Comparisons of the calculated results and numerical simulation results under flow rate control conditions. (a) Variation in grouting overpressure with injection time. (b) Overpressure distribution in the grouted zone for the CSG at three grouting times, 15, 35, and 55 s.

(a)

(b)