Direct Design of Partially Prestressed Concrete Beams for Combined Bending and Torsion

Saadi, Rabah (1988) Direct Design of Partially Prestressed Concrete Beams for Combined Bending and Torsion. MSc(R) thesis, University of Glasgow.

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Abstract

The thesis reports experimental and theoretical results on partially prestressed beams subjected to combined torsion and bending. The models were designed using the classical limit state concept of Nielsen using elastic stress field at ultimate load. The experimental study consisted of testing six partially prestressed hollow concrete beams of square cross-section (300X300)mm. The main variables studied in this investigation are the amount of effective prestress and the corresponding area of steel designed according to Nielsen for a combined action of bending and torsion. The experimental data obtained indicated that the adopted approach showed satisfactory behaviour in terms of predictions of the ultimate strength of the beams and behaviour at serviceability loads under combined bending and torsion. The theoretical study was done using non-linear plane stress finite element programme. The finite element model provided fairly satisfactory agreement with experimental results.

Item Type: Thesis (MSc(R))
Qualification Level: Masters
Keywords: Civil engineering
Date of Award: 1988
Depositing User: Enlighten Team
Unique ID: glathesis:1988-77702
Copyright: Copyright of this thesis is held by the author.
Date Deposited: 14 Jan 2020 11:53
Last Modified: 14 Jan 2020 11:53
URI: http://theses.gla.ac.uk/id/eprint/77702

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