Table 5: Load-deflection response parameters of slabs at maximum and ultimate strengths.

Retrofit Configuration HPFRCC Strip
Type
Maximum Increase in
Pmax (%)
Ultimate Increase in
Δu (%)
Failure Mode
Pmax (kN) Δmax (mm) Pu (kN) Δu (mm)
Control No.1 - 97 25.01 - 77 38.48 - Pure Flexural
Control No.2 - 143 33.02 47.42 115 45.48 18.21 Flexural+ Punching Shear
Type D 2-way NSM 114 46.14 17.52 (-20.3)1 91 58.08 50.95 (27.7)1 Flexural+ Punching Shear
Type E 2-way EBR 113 25.77 16.49 (-21)1 90 39.49 2.64 (-13.2)1 Strip Debonding
Type F 1-way NSM +
1-way Precast
121 16.53 25.27 (-15.4)1 98 52.93 37.56 (16.4)1 Flexural + Punching Shear

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

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