Technical Questions

  1. I am using Swedge to model kinematically-possible surface wedges on the foundation of an arch dam. An important force that will act on these wedges is due to the 240-ft reservoir behind the dam, creating tremendous uplift. How do I model this uplift using your program? As there is no specific option to account for hydrostatic head acting on the wedge, how can I "fake it"?

  2. Swedge computes average water pressures assuming that the pressure is always zero at the free faces (per page 8 in the manual). In the event that a pit lake develops after closure, this is no longer the case. What recommendations would you make for analyzing a wedge that daylights below the surface of a pit lake that has inundated a portion of the pit slope?

  3. The following input data gave a Safety Factor of Zero, what does this mean and how can it be interpreted?

  4. In Swedge can you adjust the location of the tension crack? How is this done - e.g. distance along plane A?

  5. I would like to know if the rockbolts used in Swedge are pretensioned (active) or untensioned (passive).