Research Article
Natural Jute Fibre-Reinforced Polymer Composite System for Posttensioned Beam Strengthening in Flexure
| | Configuration | Strengthening element | Beam designation | Strengthening scheme | FRP layers |
| | — | CB1,
CB2,
CB3
Scheme “A” | — | — | | Jute FRP | Full wrapping (JFB4, JFB5, and JFB6)
Scheme “B” | 3-sided full U-wrap | One layer | | Jute FRP | Strip wrapping (JFB7, JFB8, and JFB9)
Scheme “C” | 3-sided strip U-wrap | One layer |
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CB: control beam; JFB: jute fibre-retrofitted beam.
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