id 
caadria2014_147 
authors 
Dounas, Theodoros and A. Benjamin Spaeth 
year 
2014 
title 
Universal Dovetail Joint 
source 
Rethinking Comprehensive Design: Speculative Counterculture, Proceedings of the 19th International Conference on ComputerAided Architectural Design Research in Asia (CAADRIA 2014) / Kyoto 1416 May 2014, pp. 409–418 
summary 
The paper presents the geometrical investigation of a threedimensional dovetail joint that can lead (timber) frame construction to more than twodimensional frames; the creation of timber construction with timber members meeting at irregular angles can be shown to be feasible, simplifying overall construction. Traditional joints in timber construction usually work only in two dimensions, in other words in planar surfaces, resulting thus in complicated assemblies in threedimensions. Stemming from traditional timber dovetail joints, the universal joint under investigation is produced under revolution of the geometry of a dovetail fastener through its middle axis. The resulting concave disk can connect timber elements under irregular angles, without the need for the structural members to lie in the same plane. The joint works due to friction between members rather than using any other element of bonding, allowing for the assembly of joints and structural members with no specialized tools. The paper explores the geometric constraints and degrees of freedom that such a disk creates in timber construction, and consequently in similar linear construction systems. 
keywords 
Universal Joint; timber construction; geometric investigation 
series 
CAADRIA 
email 
Theodoros.Dounas@xjtlu.edu.cn 
full text 
file.pdf (666,498 bytes) 
references 
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citation 
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Dimcic, M; Knippers, J. (2011 )
Freeform Grid Shell Design Based on Genetic Algorithms
, ACADIA 11: Integration through Computation [Proceedings of the 31st Annual Conference of the Association for Computer Aided Design in Architecture, Banff (Alberta) 1316 October, 2011, pp. 272277



last changed 
2014/04/22 08:23 
