Numerical Modeling for Flexural Behavior of UHPC Beams Reinforced with Steel and Sand-Coated CFRP Bars

Many properties of advanced materials need to be studied, including ultra high performance concrete (UHPC) as well as the Carbon Polymer Reinforcing Fiber (CFRP) rods of sand coated surfaces. The combined action of (UHPC) with (CFRP) is of constructive importance for researchers to know the behavior...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2021-09, Vol.856 (1), p.12003
Main Authors: Said, AbdulMuttalib I., Tu’ma, Naser Hakeem
Format: Article
Language:English
Subjects:
CAD
CFRP bars
Compressive strength
Computer aided design
Concrete
Fibers
finite element
flexural strength
Load distribution
Orientation effects
Polymers
Reinforcing fibers
Sand
Steel
Steel fibers
Structural members
Ultra high performance concrete
Ultra high-performance concrete (UHPC)
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Summary:Many properties of advanced materials need to be studied, including ultra high performance concrete (UHPC) as well as the Carbon Polymer Reinforcing Fiber (CFRP) rods of sand coated surfaces. The combined action of (UHPC) with (CFRP) is of constructive importance for researchers to know the behavior of the structural members in different loading stages. Eight samples were prepared with dimensions of 2.4 meters in length, 0.25 meters in depth, and 150 mm in width. The compressive strength of 110 MPa was selected after preparing many trail mixes. A computer model by ANSYS 11 program was made for the representation of all inputs, including steel fibers. All Parts of beams, testing accessories, and loads were simulated with adequate elements. The study examined the effect of the orientation of steel fibers on the flexural capacity in terms of load-deflection response. It was concluded that the distribution of the steel fibers plays a fundamental role in the behavior of the models, and thus the optimal distribution was found to be orthogonal distribution to the longitudinal direction of UHPC beam in equal ratios.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/856/1/012003