The methodology of control surveys in tunneling including the GPS control networks as well as the tunnel surveys is being investigated. The equipment comprises a gyroscope and automatic theodolites. The aim is to improve the measurement quality and reliability of tunnel surveys. The following topics are covered: - gyroscopic measurements - calibration of gyroscopes - robust estimation of gyroscopic measurements - quality measures
|Effective start/end date||1/01/95 → 31/01/01|
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