![]() A ‘slope string’ file consists of clockwise, closed segments defining the areas of different pit wall slopes. This is used where different parts of the pit perimeter require different pit wall slopes according to geotechnical constraints.Įach point in the segment to be expanded is done so at a slope angle specified by where the point lies in relation to a ‘slope string’ file. This is used for simple pit designs.Įach point in the segment to be expanded is done so at a slope angle specified by a value in the point’s description field (D1). The pit wall slope is defined by the user in any of three different ways: These angles are the pit wall slope measured from one toe to the next crest (upwards) or one crest to the next toe (downwards). When expanding (or contracting) closed strings to construct benches, they are done so on a point-by-point basis at specified angles. Which way a design is started depends on what data is available, the specific data involved, and the requirements of the project. That is, pit design may be started on surface and designed downward to a base, or from a base and upward to topography. Benches are constructed by either expanding or contracting closed strings, either upwards or downwards depending on where the design is started, by a certain bench height. The Pit Design module uses normal String data to build a pit by progressively expanding or contracting toes and crests.
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