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Author
Date
2022-03Type
- Conference Paper
ETH Bibliography
yes
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Abstract
For centuries, roof trusses were assembled from individual timber members prepared on the ground and subsequently lifted into place and joined together one by one. However, the development of wide-span roofs sometimes prohibited this member-by-member erection strategy. Large roof trusses which came increasingly into use during the 18th century either required a supporting structure for erection, or lifting of larger pre-assembled parts of the final truss. Naturally, hoisting and assembly devices have rarely left a trace. Moreover, iconographic and written sources also provide only scant evidence on the erection procedures. The present paper collects what can be drawn from the scattered evidence and shows that erection procedures and devices applied to assemble metal roof trusses during the 19th century were probably deeply rooted in carpentry tradition, and that some roofing systems required quite considerable temporary structures. Show more
Publication status
publishedEditor
Book title
Timber and Construction: The Proceedings of the Ninth Conference of the Construction HistoryPages / Article No.
Publisher
Construction History SocietyEvent
Subject
Roofs; Erection procedures; Middle ages; Early modern periodOrganisational unit
09581 - Holzer, Stefan M. / Holzer, Stefan M.
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ETH Bibliography
yes
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