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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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