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. 2019 Oct 2;19(19):4275. doi: 10.3390/s19194275

Table 3.

Measurement methods and their aims.

Aims
Precise leveling Periodic precise leveling of the control network
Precise leveling of white sphere targets
Periodic precise leveling of the main girders of the bridge
Precise tacheometry, reflection-based measurement Periodic measurement of the control network
Precise tacheometry, reflectorless measurement Periodic measurement of the controlled point network
Terrestrial laser scanning Periodic measurement of the bridge