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Strengthening of Lap-Spliced RC Beams Using Near-Surface Mounting Method

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Iranian Journal of Science and Technology, Transactions of Civil Engineering Aims and scope Submit manuscript

Abstract

An adequate bond between concrete and reinforcement along lap-splice length is necessary to prevent bond failure in lap-splice zone. Sometimes, lap splice has insufficient bond due to such various reasons as design and construction errors and needs strengthening. NSM and FRP confinement are highly promising methods compared to other available methods. NSM and NSM–CFRP confinement methods used for this purpose, and bonded length and concrete cover were considered as variables. The results reveal that the specifications of lap-spliced RC beams (load-bearing capacity, energy dissipation capacity, and ductility) are increased using strengthening methods. In the NSM, the lap-spliced beam’s strength would be increased, while CFRP leads to more ductility. Besides, load-bearing capacity and ductility led to more values when the concrete cover is increased.

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References

  • ACI 440.3R (2004) Guide test methods for fiber-reinforced polymers (FRPs) for reinforcing or strengthening concrete structures. American Concrete Institute, Farmington Hills

  • Allam SM (2013) Flexural strengthening of RC beam with lap splices. Int Rev Civ Eng 4(5):256–273

    Google Scholar 

  • Al-Mahmoud F, Castel A, Francois R, Tourneur C (2009) Strengthening of RC members with near-surface mounted CFRP rods. Compos Struct 91(2):138–147

    Article  Google Scholar 

  • Al-Rousan RZ, Issa MA (2017) Flexural behavior of RC beams externally strengthened with CFRP composites exposed to severe environment conditions. KSCE J Civ Eng 21:2300–2309

    Article  Google Scholar 

  • Anagnostou E, Rousakis TC, Karabinis AI (2019) Seismic retrofitting of damaged RC columns with lap-spliced bars using FRP sheets. Compos Part B Eng 166:598–612

    Article  Google Scholar 

  • Bournas DA, Triantafillou TC (2011) Bond strength of lap-spliced bars in concrete confined with composite jackets. ASCE J Compos Constr 15(2):156–167

    Article  Google Scholar 

  • Cohn MZ, Barlett M (1982) Computer-simulated flexure tests of partially prestressed concrete section. ASCE J Compos Div 108(12):2747–2765

    Google Scholar 

  • DIN EN 10002 (1991) Tensile testing of metallic materials—part 1: method of test at ambient temperature. DIN—Adopted European Standard

  • ElGawady M, Endeshaw M, McLean D, Sack R (2010) Retrofitting of rectangular columns with deficient lap splices. ASCE J Compos Constr 14(1):22–35

    Article  Google Scholar 

  • El-Hacha R, Rizkalla S (2004) Near-surface-mounted fiber- reinforced polymer reinforcements for flexural strengthening of concrete structures. ACI Struct J 101(5):717–726

    Google Scholar 

  • ElSouri AM, Harajli M (2011) Seismic repair and strengthening of lap splices in RC columns: carbon fiber-reinforced polymer versus steel confinement. ASCE J Compos Constr 15(5):721–731

    Article  Google Scholar 

  • Fakharifar M, Dalvand A, Sharbatdar MK, Chen G, Sneed L (2016) Innovative hybrid reinforcement constituting conventional longitudinal steel and FRP stirrups for improved seismic strength and ductility of RC structures. Front Struct Civ Eng 10:44–62

    Article  Google Scholar 

  • Garcia R, Helal Y, Pilakoutas K, Guadagnini M (2014) Bond behaviour of substandard splices in RC beams externally confined with CFRP. Constr Build Mater 50:340–351

    Article  Google Scholar 

  • Garcia R, Helal Y, Pilakoutas K, Guadagnini M (2015) Bond strength of short lap splices in RC beams confined with steel stirrups or external CFRP. Mater Struct 48(1–2):277–293

    Article  Google Scholar 

  • Garcia R, Guadagnini M, Pilakoutas K, Pech Poot LA (2017) FRP strengthening of substandard lap-spliced RC members: a comprehensive survey. Adv Struct Eng 20(6):976–1001

    Article  Google Scholar 

  • Haddad RH, Almomani OA (2019) Flexural performance and failure modes of NSM CFRP-strengthened concrete beams: a parametric study. Int J Civ Eng 17(7):935–948

    Article  Google Scholar 

  • Hamad BS, Rteil AA, Soudki KA (2004a) Bond strength of tension lap splices in high-strength concrete beams strengthened with glass fiber reinforced polymer wraps. J Compos Constr 8(1):14–21

    Article  Google Scholar 

  • Hamad BS, Rteil AA, Salwan BR, Soudki KA (2004b) Behavior of bond-critical regions wrapped with fiber-reinforced Polymer sheets in normal and high-strength concrete. J Compos Constr 8(3):248–257

    Article  Google Scholar 

  • Hashemi SH, Maghsoudi AA, Rahgozar R (2009) Bending response of HSRC beams strengthened with FRP sheets. Sci Iran Trans A Civ Eng 16(2):138–146

    Google Scholar 

  • Hassan T, Rizkalla S (2002) Flexural strengthening of prestressed bridge slabs with FRP systems. PCI J 47:76–93

    Article  Google Scholar 

  • Hassan T, Rizkalla S (2003) Investigation of bond in concrete structures strengthened with near surface mounted carbon fiber reinforced polymer strips. J Compos Constr 7(3):248–257

    Article  Google Scholar 

  • Kheyroddin A, Naderpour H, Ghodrati Amiri G, Hoseini Vaez SR (2011) Influence of carbon fiber reinforced polymers on upgrading shear behavior of RC coupling beams. IJST Trans Civ Eng 35(C2):155–169

    Google Scholar 

  • Lamanna AJ, Bank LC, Scott DW (2004) Flexural strengthening of reinforced concrete beams by mechanically attaching fiber-reinforced polymer strips. ASCE J Compos Constr 8(3):203–210

    Article  Google Scholar 

  • Moodi Y, Farahi Shahri S, Mousavi SR (2017) Providing a model for estimating the compressive strength of square and rectangular columns confined with a variety of fibre-reinforced polymer sheets. J Reinf Plast Compos 36(21):1602–1612

    Article  Google Scholar 

  • Moodi Y, Mousavi SR, Ghavidel A, Sohrabi MR, Rashki M (2018) Using response surface methodology and providing a modified model using whale algorithm for estimating the compressive strength of columns confined with FRP sheets. Constr Build Mater 183:163–170

    Article  Google Scholar 

  • Moodi Y, Sohrabi MR, Mousavi SR (2020) Effects of stirrups in spliced region on the bond strength of corroded splices in reinforced concrete (RC) beams. Constr Build Mater 230:116873

    Article  Google Scholar 

  • Mostofinejad D, Moghaddasi A (2014) Bond efficiency of EBR and EBROG methods in different flexural failure mechanisms of FRP strengthened RC beams. Constr Build Mater 54:605–614

    Article  Google Scholar 

  • Nardone F, Lignola GP, Prota A, Manfredi G, Nanni A (2011) Modeling of flexural behavior of RC beams strengthened with mechanically fastened FRP strips. Compos Struct 93:1973–1985

    Article  Google Scholar 

  • Obaidat YT, Ashteyat AM, Obaidat AT (2020) Performance of RC beam strengthened with NSM-CFRP strip under pure torsion: experimental and numerical study. Int J Civ Eng 18:585–593

    Article  Google Scholar 

  • Siddika A, Al Mamun A, Alyousef R, Amran YHM (2019) Strengthening of reinforced concrete beams by using fiberreinforced polymer composites: a review. J Build Eng 25:100796

    Article  Google Scholar 

  • Youm KS, Lee YH, Choi YM, Hwang YK, Kwon TG (2007) Seismic performance of lap-spliced columns with glass FRP. Mag Concr Res 59(3):198–198

    Article  Google Scholar 

Download references

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Authors and Affiliations

  1. Civil Engineering Department, University of Sistan and Baluchestan, Zahedan, Iran

    Seyed Roohollah Mousavi, Mohammad Reza Sohrabi, Yaser Moodi & Ebrahim Gholamhosseini

Authors
  1. Seyed Roohollah Mousavi
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  2. Mohammad Reza Sohrabi
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  3. Yaser Moodi
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  4. Ebrahim Gholamhosseini
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Correspondence to Seyed Roohollah Mousavi.

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Mousavi, S.R., Sohrabi, M.R., Moodi, Y. et al. Strengthening of Lap-Spliced RC Beams Using Near-Surface Mounting Method. Iran J Sci Technol Trans Civ Eng 46, 251–259 (2022). https://doi.org/10.1007/s40996-020-00577-5

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  • DOI: https://doi.org/10.1007/s40996-020-00577-5

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