Research Article
[Retracted] Study on Seismic Performance of Recycled Steel Fibers Locally Reinforced Cruciform Concrete Frame Beam-Column Joint
Figure 18
Force diagram of beam-column joints. (a) The force on the joint. (b) Baroclinic bar mechanism. (c) Truss mechanism.
| (a) | 
| (b) | 
| (c) |