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Flexural Behavior of an Ultrahigh-Performance Concrete I-Girder
Abstract
The flexural behavior of an ultrahigh-performance concrete (UHPC) was investigated through the testing and related analysis of a full-scale prestressed I-girder. A 28ksi(193MPa) compressive strength steel fiber reinforced concrete was used to fabricate an 80ft(24.4m) long AASHTO Type II girder containing 26 prestressing strands and no mild steel reinforcement. Intermediate and final behaviors, including cracking, flexural stiffness, and moment capacity, were investigated. Test results are compared to predictions based on standard analytical procedures. A relationship between tensile strain and crack spacing is developed. The uniaxial stress-strain response of UHPC when subjected to flexural stresses in an I-girder is determined and is verified to be representative of both the stress and flexural stiffness behaviors of the girder. A flexural design philosophy for this type of girder is proposed.
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Cited by
New development of ultra-high-performance concrete (UHPC)
Du, J., Meng, W., Khayat, K. H., Bao, Y., Guo, P., Lyu, Z., Abu-obeidah, A., Nassif, H., & Wang, H. (2021) · Composites Part B: Engineering · doi:10.1016/j.compositesb.2021.109220 · Cited by 1,013
Experimental and numerical study on mechanical properties of Ultra High Performance Concrete (UHPC)
Shafieifar, M., Farzad, M., & Azizinamini, A. (2017) · Construction and Building Materials · doi:10.1016/j.conbuildmat.2017.08.170 · Cited by 513
Review of ultra-high performance concrete and its application in bridge engineering
Xue, J., Briseghella, B., Huang, F., Nuti, C., Tabatabai, H., & Chen, B. (2020) · Construction and Building Materials · doi:10.1016/j.conbuildmat.2020.119844 · Cited by 471
Metadata
- Authors
- Graybeal, B. A.
- Venue
- Journal of Bridge Engineering
- Published
- 2008-11
- Volume
- 13
- Issue
- 6
- Pages
- 602-610
- ISSN
- 1084-0702 (ISSN-L)
- 1943-5592
- DOI
- 10.1061/(asce)1084-0702(2008)13:6(602
- OpenAlex
- W2008158907
- Cited by
- 266
- References
- 0
- FWCI
- 12.26
- Type
- journal article
- Language
- en
- Open access
- closed
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- Graybeal, B. A. (2008). Flexural Behavior of an Ultrahigh-Performance Concrete I-Girder. Journal of Bridge Engineering. https://doi.org/10.1061/(asce)1084-0702(2008)13%3A6(602
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