Research Article
Experimental Study on Mechanical Performance of U-Shaped Steel-Encased Concrete Composite Beam-Girder Joints
Table 2
Characteristic load and deflection of specimens.
| | Specimens | | Δcr (mm) | θ cr (rad | P cr (kN) | Δy (mm) | θ y (rad) | P y (kN) | Δp (mm) | θ p (rad) | P p (kN) | Δm (mm) | θ m (rad) | μ |
| | BGJ1 | L | 1.99 | 1/704 | 30.0 | 15.84 | 1/88 | 158.3 | 35.26 | 1/40 | 211.0 | 58.34 | 1/24 | 3.68 | | R | 1.40 | 1/1000 | 30.0 | 13.42 | 1/104 | 148.5 | 35.02 | 1/40 | 198.0 | 49.60 | 1/28 | 3.69 |
| | BGJ2 | L | 1.71 | 1/819 | 30.0 | 15.01 | 1/93 | 159.8 | 29.30 | 1/48 | 213.0 | 57.00 | 1/25 | 3.80 | | R | 1.09 | 1/1284 | 31.0 | 13.87 | 1/101 | 164.3 | 31.11 | 1/45 | 219.0 | 42.11 | 1/33 | 3.04 |
|
|
μ = Δm/Δy, which denotes the ductility factor.
|
