Theoretical Investigation of the Flexural Behavior of Concrete Beam Containing Internal Steel Plates

Douaa Najah, Majid D. Mutasher

Abstract

The main objective of this paper is to investigate the flexural behavior of simply supported RC beams strengthened internally with steel plates with three configurations. This investigation was done by using the ABAQUS program version 2017. The main parameter in this investigation was the configuration of steel plates (flat, curve, and round). For supporting Finite Element (FE_ results, four RC beams were cast with a rectangular cross-section of 200mm×150mm and a total length of 1200mm, one of these beams was a control beam, and three other beams were strengthened with 2mm steel plate with three different configurations (flat, curve and round). The experimental and numerical results showed that using steel plates as internal strengthening enhanced the load-carrying capacity for all tested beams, with a range of 15-24 % from the ultimate load of the reference beam. Furthermore, a specimen strengthened with a flat steel plate exhibited the highest increase in ultimate load. A parametric study was conducted to investigate the effect of concrete thickness and compressive strength, yield strength of steel plates, and the existence of a hole in steel plates.


Keywords: steel plate, flexural behavior, internal strengthening, finite element, ABAQUS.


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References


BASHANDY A A. Flexural Strengthening of Reinforced Concrete Beams Using Valid Strengthening Techniques. Archives of Civil and Mechanical Engineering, 2013, 59(3): 275–292, doi: 10.2478/ace-2013-0015.

RUDDOCK E C. Design of building frames. Building and Environment, 1978, 13(2): 145, doi: 10.1016/0360-1323(78)90034-3.

SU R K L, LAM W Y, and PAM H J. Behavior of embedded steel plate in composite coupling beams. Journal of Constructional Steel Research, 2008, 64(10): 1112–1128.

SU R K L, LAM W Y, and PAM H J. Experimental study of plate‐reinforced composite deep coupling beams. Structural Design of Tall and Special Buildings, 2009, 18(3): 235–257.

SUBEDI N K, and COYLE N R. Improving the strength of fully composite steel-concrete-steel beam elements by increased surface roughness—an experimental study. Engineering Structures, 2002, 24(10): 1349–1355.

IBRAHIM K, MANSOR A A, NOMAN B J, et al. Effect of Replacing the Main Reinforcement by Sheet Steel Plate in Reinforced Concrete Beams. Diyala Journal of Engineering Sciences, 2021, 14(3): 141–151, https://doi.org/10.24237/djes.2021.14312.

SALMAN W D. Effect of Steel Plates on Shear Strength of Wide Reinforced Concrete Beams. Journal of Engineering and Development, 2015, 19: 96–109.

JAYAPRAKASH P O, SUDARSHAN P, and HEMALATHA C. Mechanical Properties of Strengthened RC Beams using Steel Plates. International Journal of Innovative Technology and Exploring Engineering, 2020, 9(4): 1208–1217, https://doi.org/10.35940/ijitee.d1444.049620.

LAM WY, LI L, SU R K L, and PAM H J. Behavior of Plate Anchorage in Plate-Reinforced Composite Coupling Beams. Hindawi Publishing Corporation, Scientific World Journal, 2013: Article ID 190430, https://doi.org/10.1155/2013/190430

ALFARAH B, LÓPEZ-ALMANSA F, and OLLER S. New methodology for calculating damage variables evolution in Plastic Damage Model for RC structures. Engineering Structures, 2017, 132: 70–86, https://doi.org/10.1016/j.engstruct.2016.11.022.

RUSKA B, LAURSEN C B, and WICKSTRØM M, Finite element modelling of reinforced concrete elements. Aalborg University, Master Thesis, 2019, Available from https://projekter.aau.dk/projekter/files/307165023/Masters_thesis_BCM.pdf.

LUBLINER J, OLIVER J, OLLER S, and ONATE E. A plastic-damage model for concrete. International Journal of Solids and Structures, 1989, 25(3): 299–326.

LEE J, and FENVES G L. Plastic-damage model for cyclic loading of concrete structures. Journal of Engineering Mechanics, 1998, 124(8): 892–900.

Abaqus 2016 . Abaqus 6.12 Theory Manual. 2016.

SÜMER Y, and AKTAŞ M. Defining parameters for concrete damage plasticity model. Challenge Journal of Structural Mechanics, 2015, 1(3): 149–155, https://doi.org/10.20528/cjsmec.2015.07.023.

DEMIR A, OZTURK H, EDIP K, et al. Effect of Viscosity Parameter on the Numerical Simulation of Reinforced Concrete Deep Beam Behavior. Journal of Science and Technology, 2018, 8(3): 50–56.

PATWARDHAN P S, NALAVDE RA, and KUJAWSKI D. An Estimation of Ramberg-Osgood Constants for Materials with and without Luder's Strain Using Yield and Ultimate Strengths. Procedia Structural Integrity, 2019, 17: 750–757, https://doi.org/10.1016/j.prostr.2019.08.100.

MORE S T, and BINDU R S. Effect of mesh size on finite element analysis of plate structure. International Journal of Innovative Science Engineering and Technology, 2015, 4(3): 181–185.

HIBBITT, KARLSSON & SORENSEN, Inc ABAQUS/CAE User ’ s Manual, 2001.

OMRAN H Y, AND EL-HACHA R. Nonlinear 3D finite element modeling of RC beams strengthened with prestressed NSM-CFRP strips. Construction and Building Materials, 2012, 31: 74–85.

BÄKER M. How to get meaningful and correct results from your finite element model. arXiv Prepr. arXiv1811. 2018, 05753: 1–26, Available FROM http://arxiv.org/abs/1811.05753.


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