... shear strength of the shales factor of safety against sliding along the assumed shale bands were also rather low. With the solitary minimum value of 15°, the shear friction factors were just higher than unity. The usual recommended values of 4 with average values of 'c' and ø were not obtained. BARNA...

... Characterization strength concrete impervious blanket Artificial Intelligence friction factor gate structure Upstream Oil & Gas shear zone structural geology cretaceous period plane resistant block construction foundation rock rock mass comparative study Spillway gate structure rupture...