Table 2 Loading plan for the uniaxial creep test of dry and saturated coal samples.

From: Experimental study on creep mechanical properties and failure modes of anthracite in dry and saturated states

Sample category

Axial stress loading level/MPa

Loading time per level/h

Dry

1.6 →3.2 →4.8 →6.4 →8.0 →9.5

(16% σp →32% σp →48% σp →64% σp →80% σp →95% σp)

48

Saturated

1.2 →2.4 →3.6 →4.8 →6.2

(18% σp →36% σp →54% σp →72% σp →95% σp)

48

Back to article page