Research Article
Jan 1969
Stability of Tensile Cracks in Prestressed Concrete Beams
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VIEW THE REPLYAuthor: I. O. OladapoAuthor Affiliations
Publication: Journal of the Structural Division
Volume 95, Issue 1
Abstract
An analytical study is presented of the problem of crack stability in prestressed concrete flexural members. The effect of variations in the steel ratio and the initial level of prestress are considered, and the investigation covers both rectangular and flanged sections. It is shown that the level of prestress influences the instability of beams due to flexural cracking. The higher the level of prestress, the shorter the range of crack instability. Increases in reinforcement ratio also act to stabilize the development of cracks at all stages. In general, T-sections have the least problem with crack instability.
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Published In
Journal of the Structural Division
Volume 95 • Issue 1 • January 1969
Pages: 17 - 31
Copyright
© 1969 American Society of Civil Engineers.
History
Published in print: Jan 1969
Published online: Feb 1, 2021
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Authors
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I. O. Oladapo
Assoc. Prof. of Civil Engrg., Univ. of Lagos, Nigeria
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