Page 8 - Railways
P. 8

RAILWAYS                                                                The excellence of collaboration





            •   Easy transport and installation on railway tracks.  In more detail,
            •   Number of simultaneous information in real time:  Adjustment-tracing of railway tracks with the GRP control
                                                                 system.
               Horizontal distance from theoretical axis (accuracy +/- 0.1
               mm)                                                         The tracing of the railway tracks with the GRP included
                                                                 all types of tracks of the project, with the following order of the
               Elevation distance from theoretical axis (accuracy +/- 0.1   works:
               mm)

               Cant (accuracy +/- 0.5 mm)
                                                                 •   Railway tracks on ground and specifically on broken stone.
               Superelevation (accuracy +/- 0.5 mm)
                                                                     - Rough adjustment where as initial phase the lines were
               Track gauge (accuracy +/- 0.3 mm)
                                                                     traced with +/- 5 mm accuracy, and a special elevation
               Exact kilometre position.                             and rail installation machine was used, which moved along
                                                                     the track and compacted the broken stone.
               Surveying of clearance and surrounding area.
                                                                     - Final Adjustment, where tracing was carried out with +/-
               Clearance check.
                                                                     1.5mm accuracy, with the help of the same machine.

                                                                     - Inspection-acceptance (As Built) where measurements
            - CONSTRUCTION PHASE                                     of the track were made with the same density as traced,
                                                                     and essentially it was verified that it was installed exactly
            •   Adjustment-tracing of railway tracks with the GRP control   on the theoretical axis of the study.
               system.
            •   Monitoring of micro-movements at the section of the
               “Monastiraki-Omonoia” railway network.            •   Rails on slab, mounted on fixed concrete foundations.
                                                                     - Rough adjustment where initially the tracks were traced




















































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