Research Article

Experimental Investigation of Ductility in GFRP RC Beams by Confining the Compression Zone

Table 7

Load capacity and stiffness of specimens.

GroupSpecimenLoad capacity
(kN)
Stiffness

Group 1RB113.784.17

Group 2DVR-W30123.13
(+%8.21)a
4.13
(−%1.04)
DVR-W50126.02
(+%10.75)
4.99
(+%25.25)

Group 3DSR-A10-W30120.53
(+%5.92)
4.19
(+%0.45)
DSR-A20-W30121.191
(+%6.5)
4.31
(+%3.34)
DSR-A30-W30108.12
(−%4.97)
3.97
(−%4.72)

Group 4CSR-SR-W20116.81
(+%2.66)
4.85
(+%16.34)
CSR-SC-W20113.94
(+%0.13)
4.41
(+%5.71)

aPercentages of changes compared to the reference beam.