Case Study: In Situ Experimental Investigation on Overburden Consolidation Grouting for Columnar Jointed Basalt Dam Foundation

Table 6

Consolidation grouting pressure and length in the test area.

Hole depth (m)	-5~0	0~5	5~10	10~15	15~20	20~25
І (MPa)	0.5	0.8~1.0	1.0~1.5	1.5~2.0	2.0~2.5	2.5~3.0
II (MPa)	0.5	1.0~1.5	1.5~2.0	2.0~2.5	2.5~3.0	2.5~3.0
III (MPa)	0.5	1.0~1.5	2.0~2.5	2.5~3.0	3.0	3.0