Abstract

Great part of Slovak traffic is led by the highways nowadays. There is a number of critical parts in highway from Bratislava to Košice, the most critical is under the castle Strečno. In the future, there are plans to redirect the traffic during the tunnel, but in present the traffic goes through road I/18. This is placed between Váh River and the castle, which is placed on the cliff above the road. The flooding and the gradual collapse of cliff accompanied by falling of rock pieces on the communication is very dangerous. The access on the castle walls is almost impossible, it is necessary to use new technologies. The imagining was done by UAV equipment Microkopter and uncalibrated camera with CMOS Full Frame. The result of the work is photoplan with dangerous parts overdrawn. These can be helpful during the remediation.

Highlights

  • The castle of Strečno is reconstructed ruin of the medieval castle with irregular shape increasing round the centre in National park of Malá Fatra

  • As the one photogrammetry possibility was chosen Unmanned Aerial Vehicle (UAV) method that was the best possibility for the project

  • The main advantages of UAV are the price of measurement, the quality of the images, the resolution, the ability to produce digital terrain and surface models, cubic calculations, video documentation and the price of entire facility as well

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Summary

Introduction

The castle of Strečno is reconstructed ruin of the medieval castle with irregular shape increasing round the centre in National park of Malá Fatra. The castle is placed 11km away from Žilina city in region of Považie over the Váh River on 103 meters high dolomite and limestone cliff. In the 1350 is dated the creation of the castle centre with polygonal shape with total area round 400m2, called the “small castle” constructed from a prismatic watchtower, a ditch excavated in the rock and the small residential building placed on the NW edge of the fortification. This vegetation is the greatest indicator of alarming status of this natural monument

Methods used for the collecting of data
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