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, "Optimization of Cable Forces for Concrete Cable-Stayed Bridges", in , (Editors), "Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 227, 2013. doi:10.4203/ccp.102.227

Keywords: structural optimization, concrete cable-stayed bridges, time-dependent effects, construction stages, geometrical nonlinearity.

Summary

This paper presents a numerical method, using an optimization algorithm, to compute the cable stay prestressing forces on concrete cable-stayed bridges in order to achieve the desired final geometry. The method includes a discrete direct sensitivity analysis module. The structural analysis includes all relevant effects namely the concrete time-dependent effects, the construction sequence and the geometrical nonlinearities. A numerical example is presented and the influence of these effects in the cable forces is analyzed. The results show the relevance of considering all these effects to obtain adequate values of the cable forces.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 102 PROCEEDINGS OF THE FOURTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: Paper 227 Optimization of Cable Forces for Concrete Cable-Stayed Bridges A.M.B. Martins, L.M.C. Simões and J.H.J.O. Negrão Department of Civil Engineering, University of Coimbra, Portugal doi:10.4203/ccp.102.227 purchase the full-text of this paper Full Bibliographic Reference for this paper , "Optimization of Cable Forces for Concrete Cable-Stayed Bridges", in , (Editors), "Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 227, 2013. doi:10.4203/ccp.102.227 Keywords: structural optimization, concrete cable-stayed bridges, time-dependent effects, construction stages, geometrical nonlinearity. Summary This paper presents a numerical method, using an optimization algorithm, to compute the cable stay prestressing forces on concrete cable-stayed bridges in order to achieve the desired final geometry. The method includes a discrete direct sensitivity analysis module. The structural analysis includes all relevant effects namely the concrete time-dependent effects, the construction sequence and the geometrical nonlinearities. A numerical example is presented and the influence of these effects in the cable forces is analyzed. The results show the relevance of considering all these effects to obtain adequate values of the cable forces. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £65 +P&P)
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