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Optimizing the Welding Parameters of Reinforcing Steel Bars

  • Research Article - Mechanical Engineering
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Abstract

Welding is highly recommended for splicing concrete reinforcing bars in all concrete structures. SMAW lap-welded and butt-welded joints made from Tempcore and hot-rolled reinforcing steel bars were studied. The results give an insight into the effect of metallurgical structure and the chemical composition on the effective lap weld length of reinforcing steel bars. It was found that the hot-rolled bars gave shorter acceptable lap length than the Tempcore bars. This was because of the higher amount of pearlite/bainite phases in weld area. In the other hand, the HAZ hardening resulted in the most pronounced changes in ductility of hot-rolled joints. Preheating the hot-rolled bars up to 200 °C was insufficient to prevent the formation of HAZ hard phases.

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References

  1. Charishma, R.: Increasing the yield strength of Niobium micro-alloyed reinforcing bar. M.Sc. thesis, University of Witwatersrand, Johannesburg (2008)

  2. Hoffmann, J.; Donnay, B.: TMCP applications in sections, bars and rails. Profilarbed Research, Luxembourg (2004)

  3. Welding of Reinforcing Bars. http://keytometals.eu/ (2006). Accessed 22 Oct 2015

  4. Issa C.A., Nasr A.: An experimental study of welded splices of reinforcing bars. Build Environ. 41, 1394–1405 (2006)

    Article  Google Scholar 

  5. Orangun, C.O.; Jirsa, J.O.; Breen, J.E.: The strength of anchor bars: a reevaluation of test data on development length and splices. Research Report No. l54-3F, Research Project 3-5-72-154 “Factors affecting splice development length” (1975)

  6. Flathau, W.J.: Dynamic tests of large reinforcing bar splices. Technical report N-71-2, U.S. Army Engineer Waterways Experiment Station, Vicksburg, Mississippi (1971)

  7. Weibin W., Yaowu S., Peng S., Yongping L., Zhiling Tn.: Study on the flash butt welding of 400 MPa ultra-fine grain steel. J. Mater. Eng. Perform. 12(5), 581–583 (2003)

    Article  Google Scholar 

  8. Zeman M.: Welding of modern RB 500 W ribbed reinforcing steel bars used for concrete reinforcement. Weld. Int. 18(8), 609–617 (2004)

    Article  Google Scholar 

  9. Yamamoto, R.; Fukada, Y.; Ueyama, K.; Tatsumi, M.; Oishibashi, H.: Gas pressure welding method for steel reinforcing bars. Weld. Res. Suppl. I. 77(5), 188–192 (1998)

  10. Nikolaou G.D., Papadimitriou M.: Mechanical properties of lap-welded reinforcing steel bars used for repairing damaged reinforced concrete structures. Mater. Struct. 37, 698–706 (2004)

    Article  Google Scholar 

  11. Riva P., Franchi A., Tabeni D.: Welded Tempcore reinforcement behaviour for seismic applications. Mater. Struct. 34, 240–247 (2001)

    Article  Google Scholar 

  12. Murakami Z., Maeda N., Kanematsu H., Nakata K.: Effect of concrete bar joint arrangement on weldability of hot-dip galvanized rebar by shielded metal arc welding. Trans. JWRI 36(1), 13–19 (2007)

    Google Scholar 

  13. Datta R., Veeraraghavan R., Rohira K.L.: Weldability characteristics of torr and corrosion-resistant TMT bars using SMAW process. J. Mater. Eng. Perform. 11(4), 369–375 (2002)

    Article  Google Scholar 

  14. Apostolopoulos C.A., Michalopoulos D., Dimitrov L.: The impact of corrosion on the mechanical behavior of welded splices of reinforcing steel S400 and B500c. J. Mater. Eng. Perform. 17(1), 70–79 (2008)

    Article  Google Scholar 

  15. Sanders, W.; Hoadley, P.; Munse, W.: Fatigue behavior of welded joints in reinforcing bars for concrete. Weld. J. 2–8 (1961)

  16. Park S., Choi S., Stubbs N., Bolton R., Price A.H., Sikorsky C.: A modal parameter based technique to inspect welded reinforcement splices. Eng. Struct. 28, 453–465 (2006)

    Article  Google Scholar 

  17. American Concrete Institute: Building code requirements for reinforced concrete, 318M-95

  18. American Welding Society: Structural welding code—reinforcing steel, D1.4-98

  19. ISO 6892: Metallic materials–tensile testing, Part 1: Method of test at room temperature. The International Organization for Standardization (2009)

  20. ISO 15130-1: Steel for the reinforcement and prestressing of concrete-test methods, Part 1: Reinforcing bars, wire rod and wire. The International Organization for Standardization (2010)

  21. ACI 318-08: Building code requirements for structural concrete. ACI Committee 318. American Concrete Institute, Farmington Hills, MI, USA (2008)

  22. El-Mahallawi, I.S.; El Koussy, M.R.; El Raghy, S.M.; Megahed, G.; Hashem, M.; Waheed, F.; Abd-Ellatif, O.: Current research in Egypt on optimisation of combined mechanical strength and corrosion behaviour of steel rebar. Int. Heat Treat. Surf. Eng. 1(3), 126–137 (2007)

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Authors and Affiliations

  1. Ezz Flat Steel, Ain Sukhna, Suez, Egypt

    Tamer Moustafa

  2. Department of Metallurgical Engineering, Cairo University, Giza, 12613, Egypt

    Waleed Khalifa, M. Raafat El-Koussy & Nahed Abd El-Reheem

Authors
  1. Tamer Moustafa
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  2. Waleed Khalifa
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  3. M. Raafat El-Koussy
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  4. Nahed Abd El-Reheem
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Correspondence to Waleed Khalifa.

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Moustafa, T., Khalifa, W., El-Koussy, M.R. et al. Optimizing the Welding Parameters of Reinforcing Steel Bars. Arab J Sci Eng 41, 1699–1711 (2016). https://doi.org/10.1007/s13369-015-1929-x

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  • DOI: https://doi.org/10.1007/s13369-015-1929-x

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