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Study on Strengthening of Deteriorated Corrugated Steel Beams Using Post Tensioning

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Proceedings of SECON’21 (SECON 2021)

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 171))

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Abstract

Steel beams have been a part of the construction industry since the last decades of the nineteenth century and they have gained importance due to their improved functionality compared to conventional concrete structural elements. Among various types of steel beams corrugated steel beams are special light-weight beams with corrugations at the web portions. Weight reduction aspects of corrugated steel beams aids in considerable savings in cost of structure. Corrugated beams suffer deteriorations mainly due to unexpected excessive loading and exposure to extreme surroundings. Various researches in this field suggest that the strengthening of deteriorated corrugated steel beams can be done by post tensioning techniques in the locations of deterioration. The post tensioning technique is recommended in the areas where damages are mainly due to corrosion. The deteriorations are provided at different locations of the beam. Post tensioning is achieved through reinforcement bars of suitable diameter. The result includes the ultimate load carrying capacity, total deformation, and strain and stress distribution of strengthened beams. The present study focuses on the effect of post tensioning as an innovative strengthening technique for retrofitting the deteriorated corrugated steel beams. Strengthening of corrugated steel beams is expected to increase the ultimate load carrying capacity as well as improve the functional utility and life span of the structure.

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Author information

Authors and Affiliations

  1. Civil Department, Federal Institute of Science and Technology, Angamaly, Kerala, India

    Helna Varghese & P. E. Kavitha

Authors
  1. Helna Varghese
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  2. P. E. Kavitha
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Editor information

Editors and Affiliations

  1. Department of Structural, Geotechnical and Building Engineering, Politecnico di Torino, Turin, Italy

    Giuseppe Carlo Marano

  2. Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India

    Samit Ray Chaudhuri

  3. Department of Civil Engineering, Federal Institute of Science and Technology (FISAT), Angamaly, Kerala, India

    G. Unni Kartha

  4. Department of Civil Engineering, Federal Institute of Science and Technology (FISAT), Angamaly, Kerala, India

    P. E. Kavitha

  5. Department of Civil Engineering, Federal Institute of Science and Technology (FISAT), Angamaly, Kerala, India

    Reshma Prasad

  6. Department of Civil Engineering, Federal Institute of Science and Technology (FISAT), Angamaly, Kerala, India

    Rinu J. Achison

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Varghese, H., Kavitha, P.E. (2022). Study on Strengthening of Deteriorated Corrugated Steel Beams Using Post Tensioning. In: Marano, G.C., Ray Chaudhuri, S., Unni Kartha, G., Kavitha, P.E., Prasad, R., Achison, R.J. (eds) Proceedings of SECON’21. SECON 2021. Lecture Notes in Civil Engineering, vol 171. Springer, Cham. https://doi.org/10.1007/978-3-030-80312-4_37

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  • DOI: https://doi.org/10.1007/978-3-030-80312-4_37

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-80311-7

  • Online ISBN: 978-3-030-80312-4

  • eBook Packages: EngineeringEngineering (R0)

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