<p><strong>Abstract.</strong> As a quick and effective way to archive the different stages of an excavation - notably to prepare the post-excavation phase and to document the production methods – photogrammetry has become an indispensable tool. Indeed, it offers a valid scientific model, usable by any member of the team and at any moment, without the need to return to the excavation site. Photogrammetry can also complement other archaeological tools such as manual surveys. The interaction between the complementary approach of the interpretative drawing measurements (IDM) and the photogrammetric model measurements (PMM) enables us to apprehend the error rate of the interpretative measurements <i>in situ</i>. It appears thus that the measurements taken flat have an error rate inferior to 2% whereas the distances that are either too long or taken on a three-dimensional support have an error rate that can exceed 10%. The input of photogrammetry is therefore an added value whether it be during the excavation phase or during the post-excavation studies.</p>
The book has been edited by Emmanuel Nantet and improved by further contributions, with sincere thanks to the contribution of the French Institute in Cyprus, of the CRESEM (Centre de Recherche sur les Sociétés et les Environnements Méditerranéens-EA 7397) and the LabEx Archimède (Archéologie et Histoire de la Méditerranée et de l'Égypte Anciennes). This book has benefited greatly from the advice of Conor Trainor (University of Warwick) and Christoph Schäfer (University of Trier). It has been copy-edited and proofread by Sharon Elisheva Turkington, Ivana Kubalova and Lucy Barnes.
This article focuses on the size of tonnage as an impact on the size of wooden components in a ship. It is based on a list of 66 tonnages, elaborated via a methodology employing three methods to deter mine tonnage (reconstruction of the hull lines, the tonnage formula, and the weight of the cargo). This list notes the thickness of the planking and of the moulded side of the frames. However, the article also explores further factors that are involved, particularly the evo lution of the architectural type.
KeywordsFrame, hull line reconstruction, planking, tonnage
RésuméCet article traite de l'influence du tonnage sur la taille des élé ments architecturaux en bois d'un navire. Il repose sur une liste de 66 tonnages, élaborée au moyen d'une méthode employant trois procédés pour déterminer le tonnage (restitution graphique des lignes de coque, formule de jauge et poids de la cargaison). Cette liste note l'épaisseur du bordé et la hauteur des membrures. Cependant, l'article évoque également d'autres facteurs tels que l'évolution des types architecturaux.
Mots-clésMembrure, restitution graphique de la ligne de coque, bordé, tonnage
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