Traditional wooden foundation piles in Amsterdam and Venice
Techniques for the assessment of their state of conservation
Giorgio Pagella (TU Delft - Civil Engineering & Geosciences)
Tiziana Urso (Università degli Studi di Padova)
Michele Mirra (TU Delft - Civil Engineering & Geosciences)
Silvia Naldini (TU Delft - Architecture and the Built Environment)
Jan-Willem van de Kuilen (Technische Universität München, TU Delft - Civil Engineering & Geosciences)
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Abstract
This study explored the most employed techniques for the assessment of the state of conservation of traditional wooden foundation piles in Amsterdam and Venice. The techniques were evaluated for their relevance and effectiveness in assessing decay impact on centuries-old waterlogged wooden piles. The techniques adopted in Amsterdam and Venice were complementary. In Amsterdam, underwater micro-drilling was employed to accurately estimate the amount of decay and the remaining strength of the piles. In contrast, the techniques in Venice were based on microscopic and mechanical testing of small wood samples to provide a detailed decay analysis. The successful use of underwater micro-drilling in Amsterdam, which allows for fast and accurate pile decay assessment, presents an opportunity to enhance the piles conservation database of Venice. Adopting this technique in Venice could support more timely and effective preservation strategies.
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