کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1037817 1483956 2016 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Comparative evaluation of acoustic techniques for detection of damages in historical wood
ترجمه فارسی عنوان
ارزیابی مقایسه ای از تکنیک های صوتی برای شناسایی آسیب در چوب تاریخی
کلمات کلیدی
چوب تاریخی؛ خسارت؛ بازرسی؛ تکنیک های آکوستیک؛ ویژگی های مکانیکی
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
چکیده انگلیسی

This study assesses the suitability and sensitivity of select acoustic devices (Arborsonic Decay Detector, Fakopp Ultrasonic Timer with two types of sensors–TD45 and US10, and Fakopp 2D) for identification of damage in seven approximately 315 year old fir joining beams acquired during the reconstruction of the Baroque truss in the St. Mary of the Assumption Church in Vranov nad Dyjí, Czech Republic. The particular acoustic devices did not always provide similar results. However, brown rot and other inner damages in fir beams, located closer to their endings situated on masonry and connected with rafters, were determined with all acoustic devices. The possibility of indirect prediction of the strength, elasticity and hardness of the historical wood by means of the acoustic method was verified by correlation analyses, however, not seldom without higher significance. Generally, the results obtained indicate that it is not possible to fully rely on in situ acoustic methods for inspection of defects in wooden elements of historical structures, and therefore they should be combined with visual inspection and some other instrumental method(s).

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Cultural Heritage - Volume 20, July–August 2016, Pages 622–631
نویسندگان
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