Hysteretic Behavior of Conventionally Reinforced Concrete Coupling Beams in Reinforced Concrete Coupled Shear Wall

International Journal of Concrete Structures and Materials

Table 1 Specimen data.

Specimen name	Reinforcement detail at joint		Beam confinement	Flexural strength^a				Shear strength
Specimen name	Horizontal bar	Additional bar	Beam confinement	Flexural bars in beam	M _nb (kN · m)	Flexural bars at joint	M _nj (kN · m)	Shear bars in beam	V _n (kN)
B-1-H	All anchored in wall	None	Stirrup and headed cross tie	6-HD22 + 8-HD10	261.9	6-HD22 + 8-HD10	261.9	(2-HD13 + 1-HD10)@100	584.51
B-1-HA	Top and bottom bars are only anchored in wall and other is cut off at joint	None	Stirrup and headed cross tie	4-HD22 + 4-HD16 + 8-HD10	291.2	4-HD22 + 4-HD16	229.09	2-(HD13 + HD10)@100	712.91
B-2	All anchored in wall	U-type middle bars	Stirrup and hooked cross tie	6-HD22 + 8-HD10	261.6	6-HD22 + 8-HD10 + (U-bar)	261.9	(2-HD13 + 1-HD10)@100	584.51
B-2-H	All anchored in wall	U-type middle bars	Stirrup and headed cross tie	6-HD22 + 8-HD10	261.6	6-HD22 + 8-HD10 + (U-bar)	261.9	(2-HD13 + 1-HD10)@100	584.51