Time-Lapse Electrical Resistivity Investigations for Imaging the Grouting Injection in Shallow Subsurface Cavities
Figure 5
Electrical resistivity results during grouting injection stage: ((a), (b), and (c)) inverted 2D electrical resistivity of line 4 and line 6 during phases 2, 3, and 4, respectively; the results suggest that grout material moved toward the north side of the study area.
