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Commenced in January 2007 Frequency: Monthly Edition: International Publications Count: 29636


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10003781
Development of Tensile Stress-Strain Relationship for High-Strength Steel Fiber Reinforced Concrete
Abstract:
This paper provides a tensile stress-strain (σ-ε) relationship for High-Strength Steel Fiber Reinforced Concrete (HSFRC). Load-deflection (P-δ) behavior of HSFRC beams tested under four-point flexural load were used with inverse analysis to calculate the tensile σ-ε relationship for various tested concrete grades (70 and 90MPa) containing 60 kg/m3 (0.76 %) of hook-end steel fibers. A first estimate of the tensile (σ-ε) relationship is obtained using RILEM TC 162-TDF and other methods available in literature, frequently used for determining tensile σ-ε relationship of Normal-Strength Concrete (NSC) Non-Linear Finite Element Analysis (NLFEA) package ABAQUS® is used to model the beam’s P-δ behavior. The results have shown that an element-size dependent tensile σ-ε relationship for HSFRC can be successfully generated and adopted for further analyses involving HSFRC structures.
Digital Object Identifier (DOI):

References:

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[7] Labib WA. An experimental study and finite analysis of punching shear failure in steel fibre-reinforced concrete ground-suspended floor slabs: Liverpool John Moores University, 2008.
[8] Hemmy O. Recommendations for finite element analysis of FRC–report of subtask 3.5. Brite-Euram project BRPR-CT98-0813: Test and Design Methods for Steel Fibre Reinforced Concrete, Project funded by the European Community under the Industrial and Materials Technologies Programme (Brite-Euram II). 2002.
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