11 November 1999 Complex monitoring of monumental structures located in seismic and mining-influenced areas with the use of laser tilt sensors and acoustical holography of the ground
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Proceedings Volume 3897, Advanced Photonic Sensors and Applications; (1999) https://doi.org/10.1117/12.369338
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore
Abstract
The necessity to protect cultural heritage is indisputable. The paper present two important metrological problems connected with the assessment of the condition and behavior of two monumental structures located in mining-influenced area in Upper Silesia region. The first problem has been effectively solved through using laser tilt and vibration sensors designed at the Central Mining Institute's Laser laboratory, while the other is to be investigated by using acoustical holography to detect the structure of the castle's foundation and its surroundings in the ground. The paper present the experimental results obtained with the use of both methods. An analysis of the tilt sensor at the castle show special effects of its behavior which are to be related to other factors outside mining. These factors need further detailed investigation. The method of acoustical holography has been experimentally verified in detecting the model structure of underground workings.
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Adam Lipowczan, Adam Lipowczan, Zbigniew Motyka, Zbigniew Motyka, Henryk Passia, Henryk Passia, Adam Szade, Adam Szade, } "Complex monitoring of monumental structures located in seismic and mining-influenced areas with the use of laser tilt sensors and acoustical holography of the ground", Proc. SPIE 3897, Advanced Photonic Sensors and Applications, (11 November 1999); doi: 10.1117/12.369338; https://doi.org/10.1117/12.369338
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