Open Access
Table 1
Monitoring devices used in the study
| Device | Amount | Purpose | Instrument accuracy |
|---|---|---|---|
| Total station instrument | 2 | Planimetry, elevation survey | 1.0"1mm+1.5ppm |
| Total station industrial controller | 2 | Automated monitoring | — |
| Electronic level instrument | 1 | Establish reference points, conduct elevation re-measurement | 0.3mm |
Notes. Total station instrument accuracy is specified as "1.0″ 1mm + 1.5ppm", defined as: angular precision: 1.0 arc-second (″), fixed error: 1mm, distance error: 1.5mm per kilometer (ppm: parts per million).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.