Fig 1.
Spherical diffusion mode (a); Cylindrical diffusion mode (b).
Fig 2.
Schematic diagram of compaction grouting reaming (a); Schematic diagram of splitting grouting (b).
Fig 3.
Schematic diagram of FLAC calculation cycle.
Fig 4.
Calculation model.
Table 1.
Physical and mechanical parameters of the dam body.
Fig 5.
Plastic zone before grouting (a); Plastic zone after grouting (b).
Fig 6.
Contour map of minimum principal stress before grouting (a); Contour map of minimum principal stress after grouting (b).
Fig 7.
Contour map of maximum principal stress before grouting (a); Contour map of maximum principal stress after grouting (b).
Fig 8.
Bar chart of maximum and minimum principal stress changes.
Fig 9.
Vertical displacement cloud before grouting (a); Vertical displacement cloud after grouting (b).