|
||||
| Next > | ||||
|
|
||||
| Fig. 9.18a-c : Double cantilever beam testing procedure for opening fracture propagation in Salem limestone (Hoagland et al., 1973). a) Plot of load versus displacement (inset illustrates testing apparatus). b) Drawings of samples at different loads showing development of microcrack damage zone. c) Schematic illustration of steady state fracture propagation with damage zone. | ||||
| Next > | ||||
|
||||