Rizzuto, J.P. and Larsen, O. Popovic (2010) Connection systems in reciprocal frames and mutually supported elements space structure networks. International Journal of Space Structures, 25 (4). pp. 243-256. ISSN 0266-3511 (doi:https://doi.org/10.1260/0266-3511.25.4.243)

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Abstract

Novel architectural forms can be created by connecting reciprocal frame (RF) and mutually supported elements (MSE) circuits together. These networks produce interesting architectural and engineering opportunities and challenges. The opportunities include the creation of roof and standalone structures that have distinctive architectural expression. The challenges include the determination of the often-complex configuration geometry between the elements and their connection system. A key feature of sloping RF and MSE geometry is that at the joint locations the element's centroidal axes generally do not coincide. An eccentricity at these positions has therefore to be incorporated within the connection system. This has a direct impact on element sizing, connection design, fabrication and erection sequences. RF and MSE spatial structure networks give rise to complex structural behaviour. Element-to-element connection eccentricity orientation is a controlling key feature in the determination of how the forces, moments and stresses are distributed between MSEs. The orientation of the eccentricity can be random or aligned to produce a vertical intersection distance as generally used in RF construction. The eccentricity derived from the common perpendicular to the centroidal axes is more commonly used in MSE circuit assembly. This paper considers the various methods used to connect RF and MSE networks and discusses their impact and comparative design advantages and disadvantages.

Item Type:	Article
Uncontrolled Keywords:	mutually supported elements, reciprocal frames, space structures, connection design, construction
Subjects:	Q Science > Q Science (General) T Technology > TH Building construction T Technology > TS Manufactures
Pre-2014 Departments:	School of Engineering School of Engineering > Department of Civil Engineering
Related URLs:	Publisher
Last Modified:	14 Oct 2016 09:19
URI:	http://gala.gre.ac.uk/id/eprint/7628

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