**Table 4: ****Experimental (Exp) and theoretical (The) joint moment capacity and stiffness: a) current study, b) Tanâ€™s study [30].**
** (a)** |
**(b)** |

**Test Label** |
**Mj **_{(Exp)} kNm |
**Mj **_{(The)} kNm |
**Mj Ratio** |
**S**_{j (Exp)} kNm/rad |
**S**_{j (The)} kNm/rad |
**Sj Ratio** |
**Test Label** |
**Mj **_{(Exp)} kNm |
**Mj**_{(The)} kNm |
**Mj Ratio** |
**S**_{j (Exp)} kNm/rad |
**S**_{j (The)} kNm/rad |
**Sj Ratio** |

BGJ-1 |
27.64 |
20.6 |
0.75 |
260 |
637 |
2.45 |
T21 |
8.93 |
7.38 |
0.83 |
221 |
253 |
1.14 |

BGJ-2 |
30.37 |
22.4 |
0.74 |
570 |
892 |
1.56 |
T23 |
14.27 |
13.12 |
0.92 |
303 |
470 |
1.55 |

BGJ-3 |
32.61 |
24 |
0.74 |
750 |
910.2 |
1.21 |
T25 |
22.74 |
20.5 |
0.90 |
553 |
744 |
1.35 |