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Definitions

The following are definitions for some Computed Block Results:

  • Failed: A block is considered "failed" if the Factor of Safety < Design Factor of Safety.
  • Removable: The geometric removability of the block which enables it to be removed from the joint socket. See the Removability topic for more information.
  • Slope Face Area: The area of the block which belongs to a free face (i.e., daylighting). Blocks which do not daylight have zero Slope Face Area.
  • Required Support Pressure: The uniform passive support pressure required for the block's Factor of Safety to reach the Design Factor of Safety. Blocks which already meet the Design Factor of Safety have zero Required Support Pressure.
  • Failure Depth: The maximum depth of failure, measured from and normal to the free face of a daylighting block to the deepest failed block joint face. In a Successive Failure analysis, the deepest failed block joint face may belong to another block in a subsequent failure iteration. Blocks which do not daylight have zero Failure Depth.
  • Joint Trace Length: Represents the exposed trace length of a block's joint face as measured on the slope surface.
  • Joint Persistence: Represents the maximum joint length as measured in any direction on a block's joint face.
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