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Diagnostics of Wooden Poles Situated in the Open - Air Museum Using Sonic Tomography

Diagnostics of Wooden Poles Situated in the Open - Air Museum Using Sonic Tomography AbstractThe paper deals with the lifetime of wooden poles, situated in the archaeological open-air museum Liptovská Mara - Havránok, which were erected outdoors about 12 years ago. It is aimed at diagnosing their condition using sonic tomography. The poles differ from each other in the location, anchorage, and positioning in terms of the terrain slope. Investigation was focused on the free-standing poles (quasi sacrifice poles) and the poles that are part of the fortification (gates and walls). Measurements were carried out using the device Fakopp ArborSonic 3D Sonic Tomograph that has 18 sensors. It measures the sonic response (sound velocity) in a tree stem. Sound wave velocity within sound wood depends on its species, moisture content, and the direction of measurement. Measurements brought remarkable results. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Civil and Environmental Engineering de Gruyter

Diagnostics of Wooden Poles Situated in the Open - Air Museum Using Sonic Tomography

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Publisher
de Gruyter
Copyright
© 2018 Oto Makýš et al., published by Sciendo
eISSN
2199-6512
DOI
10.2478/cee-2018-0007
Publisher site
See Article on Publisher Site

Abstract

AbstractThe paper deals with the lifetime of wooden poles, situated in the archaeological open-air museum Liptovská Mara - Havránok, which were erected outdoors about 12 years ago. It is aimed at diagnosing their condition using sonic tomography. The poles differ from each other in the location, anchorage, and positioning in terms of the terrain slope. Investigation was focused on the free-standing poles (quasi sacrifice poles) and the poles that are part of the fortification (gates and walls). Measurements were carried out using the device Fakopp ArborSonic 3D Sonic Tomograph that has 18 sensors. It measures the sonic response (sound velocity) in a tree stem. Sound wave velocity within sound wood depends on its species, moisture content, and the direction of measurement. Measurements brought remarkable results.

Journal

Civil and Environmental Engineeringde Gruyter

Published: Jun 1, 2018

References