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Characterization of Layer Index in Bituminous Pavement Using Mechanistic-Empirical Approach Based on Concentration Factor in a Layered System

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Proceedings of the RILEM International Symposium on Bituminous Materials (ISBM 2020)

Part of the book series: RILEM Bookseries ((RILEM,volume 27))

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Abstract

The deflection bowl data from FWD has been extensively used to back-calculate the layer modulus of pavement structure. In this context, detailed analysis of shape of deflection bowl has been made in this paper to evaluate the extent of damage and distress of respective layers. Transformation of multilayer system has been made in this paper to determine deflection of pavement at different layer interface by using the concept of concentration factor based on modular ratio. The deflection bowl parameters like Base Layer Index (BLI), Middle Layer Index (MLI), and Lower Layer Index (LLI) have been determined using the proposed analytical approach and comparative analysis has been made with other relevant field investigation.

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References

  1. Camacho-Garita, E., et al.: Structural analysis for APT sections based on deflection parameters. Transp. Res. Rec. J. Transp. Res. Board 1–10 (2019)

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  2. IRC: 37: Guidelines for the Design of Flexible Pavements. Indian Road Congress, New Delhi (2018)

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  3. Biswas, P.P.: Mechanistic—empirical design of bituminous pavement using concentration factor in a two layered system, PhD thesis. Jadavpur University (2005)

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  4. Horak, E.: Benchmarking the structural condition of flexible pavements with deflection bowl parameters. J. South Afr. Inst. Civ. Eng. 50(2), Paper 652, pp. 2–9 (2008)

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  5. Reddy, A.M., et al.: Selection of genetic algorithm parameters for back-calculation of pavement moduli. Int. J. Pavement Eng. 5(2), 81–90 (2004)

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Authors and Affiliations

  1. Jadavpur University, Kolkata, India

    S. Purakayastha, P. P. Biswas, M. K. Sahis & G. C. Mondal

Authors
  1. S. Purakayastha
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  2. P. P. Biswas
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  3. M. K. Sahis
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  4. G. C. Mondal
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Corresponding author

Correspondence to P. P. Biswas .

Editor information

Editors and Affiliations

  1. University of Lyon/ENTPE, Vaulx-en-Velin, France

    Hervé Di Benedetto

  2. University of Waterloo, Waterloo, ON, Canada

    Hassan Baaj

  3. Gustave Eiffel University, Champs-sur-Marne, France

    Emmanuel Chailleux

  4. University of Parma, Parma, Italy

    Gabriele Tebaldi

  5. University of Lyon/ENTPE, Vaulx-en-Velin, France

    Cédric Sauzéat

  6. University of Lyon/ENTPE, Vaulx-en-Velin, France

    Salvatore Mangiafico

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Purakayastha, S., Biswas, P.P., Sahis, M.K., Mondal, G.C. (2022). Characterization of Layer Index in Bituminous Pavement Using Mechanistic-Empirical Approach Based on Concentration Factor in a Layered System. In: Di Benedetto, H., Baaj, H., Chailleux, E., Tebaldi, G., Sauzéat, C., Mangiafico, S. (eds) Proceedings of the RILEM International Symposium on Bituminous Materials. ISBM 2020. RILEM Bookseries, vol 27. Springer, Cham. https://doi.org/10.1007/978-3-030-46455-4_44

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  • DOI: https://doi.org/10.1007/978-3-030-46455-4_44

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-46454-7

  • Online ISBN: 978-3-030-46455-4

  • eBook Packages: EngineeringEngineering (R0)

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