Optimization of Continuous Prestressed Beam for Different Construction Stages

Dragan Radić, Josip Dvornik, Vinko Čandrlić, Đuro Dekanović and Joško Ožbolt
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Dragan Radić: GraĐevinski Institut
Josip Dvornik: GraĐevinski Institut
Vinko Čandrlić: GraĐevinski Institut
Đuro Dekanović: GraĐevinski Institut
Joško Ožbolt: GraĐevinski Institut

Chapter D38 in Numerical Techniques for Engineering Analysis and Design, 1987, pp 329-336 from Springer

Abstract: Summary This report presents a method of linearized problem optimization for full, limited and partial prestressing. A structure of known dimensions, material properties and construction stages has been analyzed. The structural model is approximated by finite beam elements. The minimization of the prestressing force, reduced for losses, has been achieved iteratively. In each iteration step, me of the possible solutions is determined by linear programming, wich provides for procedure stability. The method for the determination of influence coefficients tendon axis and friction losses. Optimization yields the minimum presstresing force and optimal cable curve for each construction stage, prestressing stage and/or final exploitation stage.

Date: 1987
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-94-009-3653-9_38

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DOI: 10.1007/978-94-009-3653-9_38

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