Study on the Deformation Mechanism of Soft Rock Roadway under Blasting Disturbance in Baoguo Iron Mine

Table 3

Hydraulic properties of swelling soft rock samples.

Number	Dry saturated water absorption ratio (%)	Free expansion deformation ratio (%)
PZ-01	20.14	13.15
PZ-02	44.33	30.02
PZ-03	28.34	13.80
PZ-04	34.40	25.06
PZ-05	26.96	13.69
PZ-06	31.37	23.38
PZ-07	26.66	13.65
PZ-08	39.92	27.57
PZ-09	44.14	29.85
PZ-10	28.03	14.02
PZ-11	45.46	31.12
PZ-12	54.90	36.40
PZ-13	16.69	10.13
PZ-14	21.40	13.42
PZ-15	31.46	23.28