The NRG Tunnelling module is used around the world on both shield driven and hard rock tunnels for railways roads and water courses.
It is used to check the as built alignment and prove the vehicles will pass through the tunnel taking into account all of the complexities of cant and dynamic envelopes.
There are also a variety of tools in the software to help in setting out drilling patterns, checking clearances on the fly and re designing track alignments.
Used with the monitoring module it also is able to help in predicting ground conditions.
Shapes are hung from an alignment with cants applied as appropriate.
Shapes can be morphed from one shape to another as the tunnel moves from station to tunnel or adit etc.
Reports are customised with the user being able to show best fit circle for circular tunnel or least squares best fit for complex shapes
A variety of information may be displayed on the report including clearances, best fit centre, best fit shift X & Y, overbreak areas etc.
Other tools include the ability to develop 3D rendered models, calculate floor setting out for floors and for those using lasers for guidance it will prepare schedules of laser target offsets or output tunnel axis coordinates for guidance systems
See the monitoring module for how it is used for monitoring movement in hard rock tunnelling
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