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Paper itaec-2004-17:
A support system for a good practice approach to the conceptual design of tubular space bridges

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Tizani W, Whitehead A S, Greig A R, Blackman S

A support system for a good practice approach to the conceptual design of tubular space bridges

Abstract:The construction of large bridge projects is a complex and fragmented process. The design and construction of bridge decks made with tubular space structures is no different. These structures offer a structurally efficient solution but they are considered expensive because of the cost of fabrication associated with complex geometry at the connections and the amount of manual welding required. This paper describes the result of a study aimed at making such a solution more viable. This is done through the development of a semi-automated welding system, to reduce fabrication costs, and the implementation of an IT enabled 'good-practice? design process, to effect an integrated and construction-led approach to the design. The study has led to the integration of the different facets of the design process while also taking into account practical considerations involved in the fabrication. This has been achieved by the implementation of the above in experimental software to assist the designer during the conceptual design stage.

Keywords:business-process, good-practice, integration, design, tubular steelwork, fabrication process, welding

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