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Nonlinear finite element modeling and experimental investigation of SFRC beams strengthened with GFRP laminate under static loading

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Abstract

Various strengthening techniques were adopted to strengthen beams with weaker cross-section. In recent years, Fibre Reinforced Concrete Composites (FRCC) and Fibre Reinforced Polymers (FRP) have led to many potential applications in structural engineering. This study through experimental tests, primarily investigated the performances of Steel Fibre Reinforced Concrete (SFRC) beams bonded externally at the soffit with Glass Fibre Reinforced Polymer (GFRP) laminates inorder to examine their flexural behaviour under static loading conditions. The experimental results were compared in lieu with numerical predictions computed through nonlinear finite element software ANSYS. For the experimental investigation, six concrete beams were externally bonded at beam soffit with GFRP laminates and one concrete beam was treated as control specimen without any external GFRP laminate bonding. The beams were designed considering the under-reinforced condition of the limit state design philosophy. The beams were micro-reinforced with hook-end steel fibres in different fibre volume fractions (Vf) and strengthened at the soffit by GFRP laminates of thicknesses (t) 3 mm and 5 mm. Flexural loading was applied on the beams adopting two-point loading. The loading was applied in increments until the failure of the beams. A 3-D model in ANSYS software was developed and a nonlinear FEA was performed. The load–deflection curves obtained from this nonlinear FEA were plotted and compared with experimental curves. The results of the 3D nonlinear finite element model developed based on the experimentally validated SFRC beam specimens proved to establish a reasonably agreeable predictions.

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References

  1. Lawrance KL (2002) ANSYS tutorial release 7.0 and 6.1, SDC Publications, Canonsburg, 1.1- 2.25

  2. Barbosa AF, Riberio GO (2004) Analysis of reinforced concrete structures using ANSYS nonlinear concrete model. Comput Mech 1(8):1–7

    Google Scholar 

  3. Kachlakev DI, Miller T, Yim S, Chansawat K, Potisuk T (2001). Finite element modelling of reinforced concrete structures strengthened with FRP laminates. Ph.D. dissertation, California Polytechnic State University, San Luis Obispo, USA

  4. (1998) Prediction of failure load of R/C beams strengthened with FRP plate due to stress concentration at the plate end. ACI Struct J 95(2). https://doi.org/10.14359/534

  5. Parthiban B, Suguna K, Raghunath PN (2015) Flexural behaviour of hybrid fibre reinforced concrete beams strengthened with FRP laminates. Int J Eng Sci Innov Technol 4(2):328–334

  6. Maalej M, Goh WH, Paramasivam P (2001) Analysis and design of FRP externally-reinforced concrete beams against debonding-type failures. Mater Struct 34(7):418–425. https://doi.org/10.1007/bf02482288

    Article  Google Scholar 

  7. Kaushal P, Modhera CD (2012) Application of GFRP on preloaded retrofitted beam for enhancement in flexural strength. Int J Civil Struct Eng 2(4):1070–1080

  8. Ritchie PA, Thomas DA, Lu LW, Connelly GM (1990) External reinforcement of concrete beams using fiber-reinforced plastics. ATLSS Report 90(6)

  9. Saadatmanesh H, Ehsani MR (1991) RC beams strengthened with GFRP plates-I: experimental study. ASCE J Struct Eng 117(11):3417–3433

    Article  Google Scholar 

  10. Saadatmanesh H, Ehsani MR (1991) RC beams strengthened with GFRP plates. I: experimental study. J Struct Eng 117(11):3417–3433. https://doi.org/10.1061/(asce)0733-9445(1991)117:11(3417)

  11. Rex LK, Premalatha PV (2018) Structural performance of concrete beams with micro-reinforcement strengthened with GFRP laminates under monotonic loading. J Test Eval 48(5):20170714. https://doi.org/10.1520/jte20170714

    Article  Google Scholar 

  12. Parthiban B, Suguna K, Raghunath PN (2014) Hybrid fibre reinforced concrete beams strengthened with externally bonded GFRP laminates. Asian J Eng Technol 02(05):415–423

  13. Büyükkaragöz A (2010) Finite element analysis of the beam strengthened with prefabricated reinforced concrete plate. Sci Res Essays 5(6):533–544

  14. Masti K, Maghsoudi AA, Rahgozar R (2008) Nonlinear models and experimental investigation of lifetime history of HSC flexural beams. Am J Appl Sci 5(3):248–262. https://doi.org/10.3844/ajassp.2008.248.262

    Article  Google Scholar 

  15. Lu XZ, Ye LP, Teng JG, Jiang JJ (2005) Meso-scale finite element model for FRP sheets/plates bonded to concrete. Eng Struct 27(4):564–575. https://doi.org/10.1016/j.engstruct.2004.11.015

    Article  Google Scholar 

  16. Ramadan M, O., M. ABDELBAK, S., M. SALEH, A., & Y. ALKHATTABI, A. (2009) Modeling of reinforced concrete beams with and without opening by using ANSYS. JES J Eng Sci 37(4):845–858. https://doi.org/10.21608/jesaun.2009.127752

    Article  Google Scholar 

  17. Özcan DM, Bayraktar A, Şahin A, Haktanir T, Türker T (2009) Experimental and finite element analysis on the steel fiber-reinforced concrete (SFRC) beams ultimate behavior. Constr Build Mater 23(2):1064–1077. https://doi.org/10.1016/j.conbuildmat.2008.05.010

    Article  Google Scholar 

  18. Ibrahim AM, Mahmood MSh (2009) Finite element modeling of reinforced concrete beams strengthened with FRP laminates. Eur J Sci Res 30(4):526–541

    Google Scholar 

  19. Obaidat YT, Heyden S, Dahlblom O (2010) The effect of CFRP and CFRP/concrete interface models when modelling retrofitted RC beams with FEM. Compos Struct 92(6):1391–1398. https://doi.org/10.1016/j.compstruct.2009.11.008

    Article  Google Scholar 

  20. Hawileh RA, Naser MZ, Abdalla JA (2013) Finite element simulation of reinforced concrete beams externally strengthened with short-length CFRP plates. Compos B Eng 45(1):1722–1730. https://doi.org/10.1016/j.compositesb.2012.09.032

    Article  Google Scholar 

  21. Chen GM, Teng JG, Chen JF, Xiao QG (2015) Finite element modeling of debonding failures in FRP-strengthened RC beams: a dynamic approach. Comput Struct 158:167–183. https://doi.org/10.1016/j.compstruc.2015.05.023

    Article  Google Scholar 

  22. Chellapandian M, Prakash SS, Sharma A (2019) Experimental and finite element studies on the flexural behavior of reinforced concrete elements strengthened with hybrid FRP technique. Compos Struct 208:466–478. https://doi.org/10.1016/j.compstruct.2018.10.028

    Article  Google Scholar 

  23. Godat A, Chaallal O, Obaidat Y (2020) Non-linear finite-element investigation of the parameters affecting externally-bonded FRP flexural-strengthened RC beams. Results Eng 8:100168. https://doi.org/10.1016/j.rineng.2020.100168

    Article  Google Scholar 

  24. Naser MZ, Hawileh RA, Abdalla JA (2021) Modeling strategies of finite element simulation of reinforced concrete beams strengthened with FRP: a review. J Compos Sci 5:19

    Article  Google Scholar 

  25. Kabaluk M (2019) Adhesive joint analyses using ANSYS CZM modeling of a prefabricated hybrid concrete-GFRP-CFRP unit. A Master of Science Thesis, Faculty of College of Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL

  26. Theory reference for the mechanical APDL and mechanical applications

  27. https://faculty.up.edu/lulay/ME304/BeamElements.pdf

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Authors and Affiliations

  1. Department of Civil Engineering, AGNI College of Technology, Chennai, Tamil Nadu, 600130, India

    L. K. Rex

  2. Department of Civil & Structural Engineering, Annamalai University, Annamalainagar, Tamil Nadu, 608002, India

    P. N. Raghunath & K. Suguna

Authors
  1. L. K. Rex
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  2. P. N. Raghunath
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  3. K. Suguna
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Correspondence to L. K. Rex.

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Rex, L.K., Raghunath, P.N. & Suguna, K. Nonlinear finite element modeling and experimental investigation of SFRC beams strengthened with GFRP laminate under static loading. Innov. Infrastruct. Solut. 7, 213 (2022). https://doi.org/10.1007/s41062-022-00799-8

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