Structural monitoring of tunnels using terrestrial laser scanning

• Autorzy: Lindenbergh R. , Uchanski L. , Bucksch A. , Rinske van Gosliga Rinske
• Języki publikacji: EN

Abstrakty

EN

In recent years terrestrial laser scanning is rapidly evolving as a surveying technique for the monitoring of engineering objects like roof constructions, mines, dams, viaducts and tunnels. The advantage of laser scanning above traditional surveying methods is that it allows for the rapid acquisition of millions of scan points representing the whole surface of the object considered. Still it is a big challenge to obtain accuracies and precisions in the millimeter level when quantifying deformation of an object between epochs. This work presents two major steps towards obtaining sub noise level accuracies in surveying using terrestrial laser scan data. The first step aims at obtaining a point cloud of optimal quality for each epoch. The second steps consists of an adjustment and testing rocedure that identifies deformation by gaining benefit from both data redundancy and individual point quality. The discussion of both steps is illustrated using several examples from mainly tunnel monitoring projects in the Rotterdam area.

Słowa kluczowe

EN

laser scanning; monitoring of engineering objects

PL

skanowanie laserowe; monitoring obiektów inżynierskich

• Wydawca: Wydział Geodezji i Kartografii Politechniki Warszawskiej
• Czasopismo: Reports on Geodesy
• Rocznik: 2009
• Tom: z. 2/87
• Strony: 231--238
• Opis fizyczny: Bibliogr. 17 poz., rys.

Twórcy

autor

Lindenbergh R.

autor

Uchanski L.

autor

Bucksch A.

autor

Rinske van Gosliga Rinske

• Delft Institute for Earth Obscrvation and Space Systems, Delft University of Technology

Bibliografia

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