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TECHNICAL PAPER


           Lean Construction, IIT Madras, that was established under   [9]   Shajil, N., Srinivasan, S. M. and Santhanam, M. (2013).
           the Institute of Eminence grant from the Govt. of India. Along   “Self-centering of shape memory alloy fiber reinforced
           with the multiple co-authors of the works cited here, credit for   cement mortar members subjected to strong cyclic
           the work summarized in this paper goes to the project staff,   loading,” Materials and Structures, Vol. 46, No. 4,
           technicians, laboratory assistants, material suppliers, equipment   pp. 651-661.
           providers and many others who have contributed in one way   [10]  Shajil, N., Srinivasan, S. M. and Santhanam, M. (2016).
           or more through the past two decades. Many colleagues have   “An experimental study on self-centering and ductility
           been instrumental in the works referred to here, including   of pseudo-elastic shape memory alloy (PESMA) fiber
           Profs. Raúl L. Zerbino, Manu Santhanam, Radhakrishna G. Pillai   reinforced beam and beam-column joint specimens,”
           and Keerthana Kirupakaran, and their help and collaboration are   Materials and Structures, Vol. 49, pp. 783-793,
           gratefully appreciated.                                    doi: 10.1617/s11527-015-0538-1.

                                                                  [11]  Nayar, S. K. and Gettu, R. (2015). “Synergy in toughness
           REFERENCES
                                                                      by incorporating amorphous metal and steel fibers”,
           [1]   Bažant, Z. P. and Planas, J. (1997). Fracture and size effect   ACI Materials Journals, Vol. 112, No. 6, pp. 821-827,
                                                   st
               in concrete and other quasibrittle materials, 1  Edition,   doi: 10.14359/51687857.
               CRC Press, New York, USA.                          [12]  Nayar, S. K., Gettu, R. and Sree Krishnan, C. (2014).
                                                                      “Characterisation of the toughness of fibre reinforced
           [2]   García-Álvarez, V. O., Gettu, R. and Carol, I. (2012).
               “Analysis of mixed-mode fracture in concrete using     concrete”, The Indian Concrete Journal, Vol. 88, No. 2,
               interface elements and a cohesive crack model”, Sadhana,   pp. 8-23.
               Vol. 37, No 1, pp. 187-205; doi:10.1007/s12046-012-0076-2.  [13]  Nayar, S. K. and Gettu, R. (2016). “Benefits of using
                                                                      amorphous metallic fibres in concrete slabs-on-grade”,
           [3]   García-Álvarez, V. O., Gettu, R. and Carol, I. (2017).   RILEM Technical Letters, pp. 122-128, http://dx.doi.
               “Determination of the energy release rate function for an   org/10.21809/rilemtechlett. 2016.20
               eccentrically notched centre-loaded beam using linear
               fracture analysis”, Journal of Structural. Engineering,   [14]  Jose, S. and Gettu, R. (2025). “Use of hybrid steel fibre
               Vol. 44, No. 1, pp. 88-94.                             reinforced concrete in construction of elevated slabs”, The
                                                                      Indian Concrete Journal, Vol. 99, No. 9, pp. 35-44.
           [4]   Stephen, S. J., Gettu, R., Ferreira, L. E. T. and Jose, S.
               (2018). ”Assessment of the toughness of fibre-reinforced   [15]  Jose, S., Gettu, R. and Indhuja, S. (2018). “Flexural
               concrete using the r-curve approach”, Sadhana, Vol. 43,   toughness characterization of steel, polymer and glass
               Article No. 46. doi: 10.1007/s12046-018-0838-          fibre reinforced concrete based on the notched beam
                                                                      test”, The Indian Concrete Journal, V. 92, No. 2, pp. 35-50.
           [5]   European Committee for Standardization (CEN) (Task   [16]  Nayar, S. K., Gettu, R. and Sree Krishnan, C. (2014).
               group on Metallic fibre concrete CEN/TC229/WG3/TG7)    “Characterisation of the toughness of fibre reinforced
               (2005). European Standard EN 14651:2005 +A1:2007, Test   concrete”, The Indian Concrete Journal., Vol. 88, No. 2,
               Method for Metallic Fibered Concrete – Measuring the   pp. 8-23.
               Flexural Tensile Strength (limit of proportionality (LOP),
               residual), 17 p.                                   [17]  IS: 17161 (2020). “Flexural strength and toughness
                                                                      arameters of fibre reinforced concrete” Bureau of Indian
           [6]   Gopalaratnam, V. S. and Gettu, R. (1995). “On the    Standards, New Delhi, India.
               characterization of flexural toughness in fibre reinforced   [18]  Nayar, S. K. and Gettu, R. (2017). “Design methodology for
               concretes”, Cement and Concrete Composites, Vol. 17,   fibre reinforced concrete slabs-on-grade based on inelastic
               pp. 239-254.
                                                                      analysis”, The Indian Concrete Journal, Vol. 91, No. 3,
           [7]   Barr, B., Gettu, R., Al-Oraimi, S. K. A. and Bryars, L. S.   pp. 26-36.
               (1996). “Toughness measurement - The need to think   [19]  Nayar, S. K. and Gettu, R. (2020a). “Mechanistic–empirical
               again”, Cement and Concrete Composites, Vol. 18, No. 4,   design of fibre reinforced concrete (FRC) pavements using
               pp. 281-297. https://doi.org/10.1016/0958-9465(96)00021-2  inelastic analysis”, Sādhanā, Vol. 45, No. 19, doi: 10.1007/
                                                                      s12046-019-1255-1
           [8]   Sivakumar, A. and Santhanam, M. (2007a). “Mechanical
               properties of high strength concrete reinforced with   [20]  Indian Roads Congress (2013). “Guidelines for design and
               combinations of steel and non-metallic fibres”, Cement   construction of fibre reinforced concrete pavements“, First
               and Concrete Composites, Vol. 29, No. 8, pp. 603-608.  Revision, SP:46-2013, IRC, New Delhi.


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