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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: Analytical Modeling of Ultra-High-Performance Fiber- Reinforced Concrete Behavior in Ribbed Plates
Author(s): Florent Baby, Pierre Marchand, and François Toutlemonde
Publication: Structural Journal
Appears on pages(s): 3-13
Keywords: bridge deck; punching shear; ribbed deck; ribbed plates; ultra-high-performance concrete; ultra-high-performance fiber-reinforced concrete
Abstract:Two analytical methods are proposed to grasp the ultra-high performance fiber-reinforced concrete (UHPFRC) behavior in
ribbed plates in bidirectional bending and possible punching shear mechanisms. The first method is based on yield lines theory with a “stress-crack opening” approach. The second method is based on “stress-strain” approach and the Modified Compression Field Theory (MCFT). To validate these analyses, local bending tests carried out on critical locations of a new type of steel-concrete composite bridge deck, as a part of the experimental validation of an innovative UHPFRC two-way ribbed deck, were used as benchmarking cases. The methods have been used successfully. They enabled a better understanding of the failure mechanisms and the behavior of the 50 mm (2 in.) thick UHPFRC deck during the tests.
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