Experimental Study and Numerical Simulation Analysis on Reinforcement of Mortise-Tenon Joints with Flat Steel Strips

Table 6

Comparison of nodal ultimate bending moments.

Mortise-tenon type	Specimen no	Reinforcement method	Direction	Ultimate corner (rad)	Ultimate bending moment (kN·m)	Boost ratio
Tou mortise-tenon joints	JD-1a	Unreinforced	Forward	0.2064	2.4988	4% improvement in forward direction, 20% reduction in backward direction
			Backward	0.25996	4.47745
	JD-2a	Reinforced	Forward	0.16608	2.58665
			Backward	0.09506	3.5942
Ban mortise-tenon joints	JD-1b	Unreinforced	Forward	0.13654	1.3739	51% improvement in forward direction, 111% improvement in backward direction
			Backward	0.14226	1.4966
	JD-2b	Reinforced	Forward	0.16554	2.07425
			Backward	0.21836	3.16485
Dovetail mortise-tenon joints	JD-1c	Unreinforced	Forward	0.1103	0.43915	425% improvement in forward direction, 934% improvement in backward direction
			Backward	0.14564	0.28705
	JD-2c	Reinforced	Forward	0.16058	2.3047
			Backward	0.24588	2.9686