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Title: Strength and Serviceability Performance of Self-Consolidating Concrete Bridge Girders

Author(s): David B. Garber, José M. Gallardo, Dean J. Deschenes, and Oguzhan Bayrak

Publication: Structural Journal

Volume: 113

Issue: 5

Appears on pages(s): 963-972

Keywords: prestress loss; prestressed bridge girder; pretensioned concrete; self-consolidating concrete; shear behavior

Date: 9/1/2016

Self-consolidating concrete (SCC) is commonly used in all types of reinforced concrete construction. The use of SCC mixtures allows for simpler, more cost-effective fabrication techniques and provides the ability to cast structural shapes and architectural finishes that were previously impracticable. The widespread use of this material has led to numerous research efforts in looking at mixtures, rheological properties, hardened properties, and integration into structural systems. Research reported in this paper is aimed at contributing to a better understanding of the major concerns with regard to the use of SCC concrete in pretensioned bridge girders: 1) end region cracking; 2) long-term deformations; and 3) ultimate strength performance. The work conducted in this research highlighted the impact of the stiffness of SCC mixtures (compared to conventional concrete [CC] mixtures) on both long-term deformations and ultimate strength performance.


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