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Reading: Analysis of the Prestress Transfer Bond Problem Incorporating Cohesive Cracking of Concrete

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Section I

Analysis of the Prestress Transfer Bond Problem Incorporating Cohesive Cracking of Concrete

Author:

I. R. A. Weerasekera

University of Moratuwa, LK
About I. R. A.

Senior Lecturer at the Department of Civil Engineering, He is also a Chartered Civil Engineer. His research interests are reinforced and prestressed concrete structures, computer aided analysis and design and bridge engineering.

Eng. Dr. He received his B.Sc (Eng.) from University of Moratuwa and PhD from The University of Calgary, Calgary, Alberta, Canada.

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Abstract

Accurate prediction of prestress transfer bond is a difficult task. A sound theoretical basis is lacking to complement the experimental evidence available in the literature. An analysis procedure treating cracked concrete as an anisotropic material is presented here. Using this approach, improved transfer length predictions can be made. An analytical solution for the formulated non-linear nonhomogeneous differential equation is not feasible. Hence a numerical solution obtained using a modified fourth order Runge- Kutta method as an initial value problem is successfully applied. The numerical results were found to be accurate and the solution technique efficient.
How to Cite: Weerasekera, I.R.A., (2009). Analysis of the Prestress Transfer Bond Problem Incorporating Cohesive Cracking of Concrete. Engineer: Journal of the Institution of Engineers, Sri Lanka. 42(4), pp.1–20. DOI: http://doi.org/10.4038/engineer.v42i4.7029
Published on 29 Oct 2009.
Peer Reviewed

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