Table 2 Test results of similar simulation uniaxial compression test.

From: Softening and instability evolution of strip coal pillar under water immersion in goaf

Water-resisting material

Specimen

size(d*h)

Specimen soaking time

The average crushing pressure of the specimen(KN)

0 h

1 h

2 h

3 h

4 h

5 h

5%

100.24*49.74

Specimen 1

0.112

0.068

0.061

0.045

0.044

0.045

100.12*49.87

Specimen 2

0.142

0.064

0.066

0.053

0.050

0.039

99.72*49.50

average value

0.127

0.066

0.0635

0.049

0.047

0.042

8%

99.84*50.49

Specimen 1

0.342

0.175

0.096

0.094

0.099

0.130

100.42*50.87

Specimen 2

0.205

0.192

0.132

0.125

0.115

0.112

99.48*50.46

average value

0.2735

0.1835

0.114

0.1095

0.107

0.121