Research Article
Mar 1971
Anchor Zone Stresses in Prestressed Concrete Beams
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 97, Issue 3
Abstract
A solution for the stress distribuiton in the anchorage zone of post-tensioned concrete beams based on the three-dimensional elasticity theory is presented. The problem is idealized as that of a rectangular prism with normal forces acting on a pair of opposite sides. A three-dimensional solution for this problem is obtained using the Galerkin vector and adopting a multiple Fourier series procedure so that all the governing equations are satisfied. Numerical results were obtained for a particular case and the results compared and analyzed with the results of previous investigations. It was found that the two-dimensional elasticity solution gives good values for the bursting tension except when the end load is concentrated. In this particular case the value for bursting tensile stress given by the present solution is very large compared to the two-dimensional solution. In general, results of actual tests on concrete glock apear to greatly overestimate the bursting stresses.
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Published In
Journal of the Structural Division
Volume 97 • Issue 3 • March 1971
Pages: 807 - 824
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Mar 1971
Published online: Feb 1, 2021
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Kashi T. Sundara Raja Iyengar, M.ASCE
Prof. of Civ. Engrg., Indian Institute of Science, Bangalore, India
Mandanapalle K. Prabhakara
Sen. Research Asst., Dept. of Civ. Engrg., Indian Institute of Science, Bangalore, India
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.