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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Flexural Behavior and Design of High-Strength Concrete Members
Author(s): Z. Wu, W. Choi, A. Mirmiran, S. Rizkalla, and P. Zia
Publication: Special Publication
Appears on pages(s): 421-438
Keywords: beam; bridge; flexural members; high-strength concrete
Abstract:Development of high-strength concrete (HSC) dates back to the early 1930’s, when concrete compressive strengths above 97 MPa (14 ksi) were achieved using autoclave curing. With the advent of super-plasticizers, today HSC has become an economical solution for bridge construction. This paper presents an overview of the past research on flexural behavior of HSC members. The study is based on an extensive search of literature, a national survey of bridge owners and bridge producers, and an international survey of bridge design codes. The study has resulted in identification of factors that affect the flexural behavior and design of reinforced concrete members made of HSC. The paper also identifies relevant design issues to extend the current concrete compressive strength limit of 69 MPa (10 ksi) to 124 MPa (18 ksi) in the AASHTO-LRFD Bridge Design Specifications.
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