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Sensors 2008, 8(12), 8139-8155; doi:10.3390/s8128139

Use of Automatic Target Recognition System for the Displacement Measurements in a Small Diameter Tunnel Ahead of the Face of the Motorway Tunnel During Excavation

University of Ljubljana, Faculty of Civil and Geodetic Engineering, Jamova 2, 1000 Ljubljana, Slovenia
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Author to whom correspondence should be addressed.
Received: 5 November 2008 / Revised: 5 December 2008 / Accepted: 9 December 2008 / Published: 10 December 2008
(This article belongs to the Section Chemical Sensors)
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Abstract

During construction of the Šentvid tunnel a unique opportunity arose to measure the 3D displacements ahead of the motorway tunnel excavation face, since the exploratory tunnel was already constructed in the axis of the main tunnel. According to reviewed literature such measurements had not been performed yet and several problems regarding equipment and complete scheme of the experiment needed to be overcome. The paper gives a brief description of the Šentvid tunnel project, presents significant factors that affected the choice of the geodetic equipment and describes the scheme of the experiment. A special attention is focused on the problems relating to the operation of the instrument in demanding environmental conditions (water, dust). View Full-Text
Keywords: Exploratory tunnel; 3D displacement measurements; automatic target recognition (ATR). Exploratory tunnel; 3D displacement measurements; automatic target recognition (ATR).
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Klopčič, J.; Ambrožič, T.; Marjetič, A.; Bogatin, S.; Pulko, B.; Logar, J. Use of Automatic Target Recognition System for the Displacement Measurements in a Small Diameter Tunnel Ahead of the Face of the Motorway Tunnel During Excavation. Sensors 2008, 8, 8139-8155.

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