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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 27
Edited by: B.H.V. Topping and M. Papadrakakis
Paper I.9

Cost Modelling for the Economic Appraisal of Tubular Truss Design

W.M.K. Tizani*, G. Davies*, T.J. McCarthy#, D.A. Nethercot* and N.J. Smith#

*Department of Civil Engineering, University of Nottingham, Nottingham, United Kingdom
#Department of Civil & Structural Engineering, UMIST, Manchester, United Kingdom

Full Bibliographic Reference for this paper
W.M.K. Tizani, G. Davies, T.J. McCarthy, D.A. Nethercot, N.J. Smith, "Cost Modelling for the Economic Appraisal of Tubular Truss Design", in B.H.V. Topping, M. Papadrakakis, (Editors), "Artificial Intelligence and Object Oriented Approaches to Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 59-67, 1994. doi:10.4203/ccp.27.1.9
This paper is concerned with the development of a knowledge-based system for the economical design of tubular trusses using a fabrication-led approach. This is achieved using, in addition to structural design and analysis modules, a cost model. The cost model was developed using mainly the object-oriented methodology. It can be used for estimating the cost of fabrication of one or a number of trusses, joint detailing, members and individual fabrication operations. Therefore the relative cost of one design option compared with its alternatives can be obtained. Using the model, the designer can also assess the sensitivity of a cost item on certain design parameters.

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