Non-Destructive Testing Methods in the Assessment of Historic Timber Structures and Their Implications for Conservation Decision-Making

Öz

Accurate assessment of structural elements is essential for determining intervention strategies in the conservation and restoration of historic timber structures. However, the organic and heterogeneous nature of wood, together with the limited possibility of sampling from historic elements, restricts the application of conventional destructive testing methods. In this context, non-destructive testing methods have become essential tools in the evaluation of historic timber buildings. This study examines non-destructive and semi-destructive testing methods used to determine the condition of historic timber elements within the framework of material properties and deterioration processes affecting conservation practice. Considering the hygroscopic and heterogeneous characteristics of wood and their impact on test results, the study evaluates visual inspection, mechanical and semi-destructive methods, acoustic and ultrasonic techniques, and infrared thermography based on the literature. The findings indicate that each method addresses different deterioration types; therefore, single-method assessments often remain limited. Rather than providing absolute values, test results require comparative and contextual interpretation. Accordingly, non-destructive testing methods should be integrated into a multi-method and holistic evaluation process in the conservation of historic timber structures.

Anahtar Kelimeler

• Historic timber structures
• Non-destructive testing methods
• Conservation
• Restoration
• Wood deterioration

Destekleyen Kurum

No funding was received for this study.

Etik Beyan

Ethics committee approval is not required for this study. The study is based on literature review and does not involve human participants or experimental procedures.

Teşekkür

The author declares that there are no acknowledgements.

Tarihi Ahşap Yapıların Değerlendirilmesinde Tahribatsız Test Yöntemleri ve Restorasyon Karar Süreçlerine Etkileri

Öz

Tarihi ahşap yapıların korunması ve restorasyonu sürecinde, yapı elemanlarının mevcut durumunun doğru biçimde değerlendirilmesi, müdahale kararlarının belirlenmesinde temel bir rol oynamaktadır. Ancak ahşap malzemenin heterojen yapısı ve tarihi elemanlarda numune alma olanaklarının sınırlı olması, geleneksel tahribatlı test yöntemlerinin kullanımını kısıtlamaktadır. Bu bağlamda, yapı elemanlarının özgünlüğüne zarar vermeden bilgi elde edilmesini sağlayan tahribatsız test yöntemleri, tarihi ahşap yapıların değerlendirilmesinde öncelikli araçlar arasında yer almaktadır. Bu çalışma, tarihi ahşap yapı elemanlarının mevcut durumunun belirlenmesinde kullanılan tahribatsız ve yarı-tahribatsız test yöntemlerini, yöntem seçimini etkileyen malzeme özellikleri ve bozulma süreçleri çerçevesinde ele almayı amaçlamaktadır. Çalışma kapsamında, ahşap malzemenin higroskopik ve heterojen yapısının test sonuçları üzerindeki etkileri dikkate alınarak; görsel ve duyusal incelemeye dayalı yaklaşımlar, mekanik ve yarı-tahribatsız yöntemler, akustik ve ultrasonik teknikler ile kızılötesi termografi literatür örnekleri doğrultusunda değerlendirilmiştir. Çalışmada, incelenen yöntemlerin her birinin ahşap yapı elemanlarının farklı özelliklerine ve bozulma türlerine odaklandığı; bu nedenle tek bir yönteme dayalı değerlendirmelerin çoğu zaman sınırlı kaldığı görülmektedir. Test sonuçlarının mutlak değerler sunmaktan ziyade, karşılaştırmalı ve bağlamsal yorumlara olanak tanıdığı vurgulanmaktadır. Bu bağlamda, tahribatsız test yöntemlerinin, tarihi ahşap yapıların korunmasında bilinçli, çoklu ve bütüncül bir değerlendirme süreci içerisinde ele alınması gerektiği ortaya konmaktadır.

Anahtar Kelimeler

• Tarihi ahşap yapılar
• Tahribatsız test yöntemleri
• Konservasyon
• Restorasyon
• Ahşap malzeme bozulmaları

Destekleyen Kurum

Destekleyen kurum bulunmamaktadır.

Etik Beyan

Bu çalışma insan katılımcı, deneysel uygulama veya kişisel veri içermeyen literatür temelli bir çalışmadır. Etik kurul onayı gerekmemektedir.

Teşekkür

Bu çalışmaya ilişkin teşekkür beyanı bulunmamaktadır.

Kaynakça

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