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Advances in Materials Science and Engineering
Volume 2012, Article ID 319285, 12 pages
http://dx.doi.org/10.1155/2012/319285
Research Article

Use of UHPC in Bridge Structures: Material Modeling and Design

1Civil Engineering Department, Cankaya University, 06810 Ankara, Turkey
2Civil Engineering Department, Atilim University, 06836 Ankara, Turkey
3Civil and Environmental Engineering Department, Massachusetts Institute of Technology, Cambridge, MA 02139, USA

Received 19 December 2011; Accepted 11 February 2012

Academic Editor: Gai-Fei Peng

Copyright © 2012 Oguz Gunes et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Ultra-high-performance concrete (UHPC) is a promising new class of concrete material that is likely to make a significant contribution to addressing the challenges associated with the load capacity, durability, sustainability, economy, and environmental impact of concrete bridge infrastructures. This paper focuses on the material modeling of UHPC and design of bridge girders made of UHPC. A two-phase model used for modeling the behavior of UHPC was briefly discussed, and the model was implemented in a preliminary design case study. Based on the implemented design and the reported use of UHPC in bridge applications, the advantages, limitations, and future prospects of UHPC bridges were discussed, highlighting the need for innovative research and design to make optimum use of the favorable properties of the material in bridge structures.