Natural Jute Fibre-Reinforced Polymer Composite System for Posttensioned Beam Strengthening in Flexure

Table 2

Experimental findings.

Scheme	Beam designation	Failure of FRP	First crack load (Avg.) kN	Ultimate load (Avg.) kN	Increase in load carrying capacity over control beam-strengthening effect (%)
“A”	CB1, CB2, and CB3	—	82	140	—
“B”	JFB4, JFB5, and JFB6	Yes	130	172	23
“C”	JFB7, JFB8, and JFB9	No	114	154	10