From: Structural Behaviour of Polystyrene Foam Lightweight Concrete Beams Strengthened with FRP Laminates
Group | Beam ID | FRP Type | No. of layers at the bottom | FRP Width (mm) | Longitudinal steel | Stirrups | |||
---|---|---|---|---|---|---|---|---|---|
Main | Upper | Between loads | Between load & support | ||||||
Control | CBS | – | – | – | 4Ø18 | 2Ø12 | Ø6@ 140 mm | ||
CBF | – | – | – | 2Ø10 | 2Ø10 | Ø8@ 200 mm | Ø8@ 100 mm | ||
Shear group | (1) | BGS1 | GFRP | – | 30 | 4Ø18 | 2Ø12 | Ø6@ 140 mm | |
BGS2 | – | 50 | |||||||
BGS3 | – | 100 | |||||||
(2) | BCS1 | CFRP | – | 30 | |||||
BCS2 | – | 50 | |||||||
BCS3 | – | 100 | |||||||
Flexural group | (3) | BGF1 | GFRP | 1 | – | 2Ø10 | 2Ø10 | Ø8@ 200 mm | Ø8@ 100 mm |
BGF2 | 2 | – | |||||||
BGF3 | 3 | – | |||||||
(4) | BCF1 | CFRP | 1 | – | |||||
BCF2 | 2 | – | |||||||
BCF3 | 3 | – |