Table 6: Flexural performance parameters of retrofitted slabs.

Retrofit Configuration HPFRCC Strip
Type
Toughness (kN.mm) Increase in Toughness (%) Ductility,
μ(Δu)
Increase in μ(Δu) (%) Over-strength (Pmax/Py) Increase in Over-strength (%)
Control No.1 - 3160.76 - 4.66 - 1.33 -
Control No.2 - 5074.52 60.55 3.30 -29.1 1.34 0.6
Type D 2-way NSM 5825.80 84.31 (14.8)1 7.42 59.2 (124.7)1 1.33 0 (-0.8)1
Type E 2-way EBR 3595.32 13.76 (-29.1)1 5.63 20.9 (70.7)1 1.59 19.8 (19.1)1
Type F 1-way NSM +
1-way Precast
5748.36 81.87 (13.3)1 9.34 100.4 (182.8)1 1.17 -11.6 (-12.1)1

1. Values in respect to control slab No.2 in parenthesis.

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