Mechanical Properties Damage, Fracture Evolution, and Constitutive Model of Siltstone under the Effect of Moisture Content

Figure 8

Relationship between threshold of void compaction stage and threshold of elastic stage and moisture content. (a) Stress threshold-moisture content curves of void compaction stage, (b) strain threshold-moisture content curves of void compaction stage, (c) strain threshold-moisture content curves of elastic stage, and (d) strain threshold-moisture content curves of elastic stage.

(a)

(b)

(c)

(d)