Table 11.
Summary of data from various references.
| Reference | No. of specimens | Shape* | Material of longitudinal bar | Material of transversal bar | Type of transverse reinforcement | Eccentricity |
|---|---|---|---|---|---|---|
| Raza and Zaman Khan 45 | 9 | C | Steel/GFRP | GFRP | Hoop | Yes |
| Salah-Eldin 46 | 4 | S | Steel/GFRP | GFRP | Hoop | Yes |
| Salah-Eldin 47 | 4 | S | BFRP | BFRP | Hoop | Yes |
| Rafique 48 | 5 | C | GFRP | GFRP | Spiral-Hoop | No |
| Hadhood 49 | 25 | C | GFRP/CFRP | GFRP | Spiral-Hoop | Yes |
| Hadi 50 | 3 | C | Steel/GFRP | Steel/GFRP | spiral | No |
| AlAjarmeh 51 | 5 | C | Steel/GFRP | GFRP | spiral | No |
| Elchalakani 52 | 13 | C | Steel/GFRP | GFRP | spiral | Yes |
| Hadhood 53 | 10 | C | GFRP | GFRP | spiral | Yes |
| Elchalakani 54 | 9 | R | GFRP | GFRP | Hoop | Yes |
| Othman 55 | 15 | S | Steel/CFRP | Steel/CFRP | Hoop | Yes |
| Ahmad 56 | 7 | C | GFRP | GFRP | Spiral | Yes |
| Tobbi 4 | 4 | S | Steel/GFRP | Steel/GFRP | Hoop | No |
| Tobbi 57 | 11 | S | Steel/GFRP/CFRP | GFRP/CFRP | Hoop | No |
| Tobbi 58 | 1 | S | Steel/GFRP/CFRP | GFRP/CFRP | Hoop | No |
| Afifi 59 | 11 | C | Steel/CFRP | Steel/CFRP | Spiral | No |
| Afifi 60 | 9 | C | Steel/GFRP | Steel/GFRP | Spiral | No |
| Afifi 61 | 3 | C | CFRP | CFRP | Hoop | No |
| AlAjarmeh 62 | 6 | C | GFRP | GFRP | Spiral | No |
| Tu 63 | 8 | S | GFRP | GFRP | Spiral | No |
| Phan Duy 64 | 10 | S | GFRP | GFRP | Hoop | No |
| A. Alwash 65 | 7 | S | CFRP | Steel | Hoop | Yes |
| Ahmad 66 | 5 | C | Steel/GFRP | GFRP | Spiral | No |
| Elchalakani 1 | 7 | R | Steel/GFRP | Steel/GFRP | Hoop | Yes |
| Elchalakani 68 | 16 | R | GFRP | GFRP | ||
| Hamid 69 | 8 | R | BFRP/Steel | BFRP/Steel | Hoop | Yes |
| Hadhood 2 | 10 | C | GFRP | GFRP | Spiral | Yes |
| Hadhood 70 | 5 | C | CFRP/Steel | CFRP/Steel | Spiral | Yes |
| Hadhood 15 | 5 | C | CFRP/Steel | CFRP/Steel | Spiral | Yes |
| Hadhood 71 | 8 | C | GFRP | GFRP | Hoop | Yes |
| Hadhood 72 | 40 | C | Steel/GFRP/CFRP | Steel/GFRP | Spiral/Hoop | Yes |
| Hadi 6 | 6 | C | Steel/GFRP | Steel/GFRP | Spiral | Yes |
| Hales 73 | 4 | C | Steel/GFRP | GFRP | Spiral | Yes |
| Hasan 74 | 3 | C | Steel/GFRP | Steel/GFRP | Spiral | Yes |
| Hasan 75 | 6 | C | Steel/GFRP | Steel | Spiral | No |
| Baili 36 | 9 | C | Steel/GFRP | Steel/GFRP | Hoop | Yes |
| Ahmed 76 | 2 | C | Steel | Steel | Spiral | No |
| Zhou 77 | 3 | S | GFRP | GFRP | Spiral | No |
| Xu 78 | 3 | S | GFRP | GFRP | Hoop | No |
| Zeng 79 | 10 | C | GFRP | GFRP | Spiral | No |
| Khorramian 80 | 4 | S | GFRP | – | – | Yes |
| Maranan 81 | 7 | C | GFRP | GFRP | Spiral/Hoop | No |
| Mohamed 14 | 12 | C | Steel/GFRP/CFRP | Steel/GFRP/CFRP | Spiral/Hoop | No |
| Gouda 82 | 10 | C | GFRP | GFRP | Spiral | Yes |
| Pantelides 83 | 4 | C | Steel/GFRP | GFRP | Spiral | No |
| Erfan 84 | 2 | S | Basalt | Basalt | Hoop | No |
| Li 85 | 9 | C,S | BFRP | BFRP | Spiral/Hoop | No |
| Raza 86 | 9 | C | GFRP | GFRP | Hoop | No |
| Rashedi 87 | 9 | C | Steel/GFRP | Steel/GFRP | Hoop | Yes |
| El‑Sayed 88 | 4 | S | Steel/Basalt | Steel | Hoop | No |
| Karim 89 | 2 | C | Steel/GFRP | Steel/GFRP | Spiral | No |
| Tabatabaei 90 | 1 | C | GFRP | GFRP | Spiral | No |
| Zhang 91 | 8 | S | GFRP | GFRP | Hoop | No |
| Xiong 92 | 8 | S | BFRP | BFRP | Hoop | No |
| Brown 93 | 4 | S | GFRP | GFRP | Hoop | No |
| Elmesalami 94 | 9 | S | Steel/GFRP/BFRP | Steel/BFRP | Hoop | Yes |
| El-Gamal 95 | 7 | C | Steel/GFRP | GFRP | Spiral | No |
| Xue 96 | 15 | S | GFRP | Steel | Hoop | Yes |
| Bakouregui 103 | 24 | C | GFRP/BFRP/CFRP | GFRP | Spiral/Hoop | Yes |
| Abdelazim 97 | 8 | C | GFRP | GFRP | Spiral | Yes |
| AlAjarmeh 67 | 7 | C | GFRP | GFRP | Spiral | No |
| Khorramian 98 | 10 | R | GFRP | GFRP | Hoop | Yes |
| ElMessalami 99 | 9 | S | BFRP | BFRP | Hoop | Yes |
| Fan 100 | 2 | S | BFRP | Steel | Hoop | Yes |
| Salah-Eldin 101 | 10 | S | GFRP | GFRP | Hoop | Yes |
| Karim 102 | 2 | C | GFRP | GFRP | Spiral | No |
*C = Circular, S = Square, R = Rectangular