Crack Opening Behavior of Concrete Reinforced with High Strength Reinforcing Steel

A major difference between high-strength reinforcing steel and conventional steel in concrete is that the service-load steel stress is expected to be greater. Consequently, the service-load steel strains are greater affecting cracking behavior. A parametric study investigating crack widths and patte...

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Bibliographic Details
Published in:International journal of concrete structures and materials 2013, 7(4), 21, pp.253-264
Main Authors: Soltani, Amir, Harries, Kent A., Shahrooz, Bahram M.
Format: Article
Language:English
Subjects:
Building Materials
Engineering
Solid Mechanics
Structural Materials
토목공학
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Summary:A major difference between high-strength reinforcing steel and conventional steel in concrete is that the service-load steel stress is expected to be greater. Consequently, the service-load steel strains are greater affecting cracking behavior. A parametric study investigating crack widths and patterns in reinforced concrete prisms is presented in order to establish limits to the service-load steel stress and strain. Additionally, based on the results of available flexural tests, crack widths at service load levels were evaluated and found to be within presently accepted limits for highway bridge structures, and were predictable using current AASHTO provisions. A limitation on service-level stresses of f s  ≤ 414 MPa (60 ksi) is nonetheless recommended.
ISSN:1976-0485
2234-1315
DOI:10.1007/s40069-013-0054-z