Effects of Variation of Axial Load on Seismic Performance of Shear Deficient RC Exterior BCJs

Al-Osta, Mohammed Ali; Khan, Umais; Baluch, Mohammed Hussain; Rahman, Muhammad Kalimur

doi:10.1186/s40069-018-0277-0

International Journal of Concrete Structures and Materials

Table 9 Validation of proposed shear strength equation.

From: Effects of Variation of Axial Load on Seismic Performance of Shear Deficient RC Exterior BCJs

Researchers	Specimens	Joint type	Joint aspect ratio	\(f^{\prime}_c\) (MPa)	Beam			Axial load ratio (ALR)	V_Test (MPa)	V_Predicted (MPa)	\( \frac{{V_{\text{Predicted}} }}{{V_{\text{Test}} }} \)
Researchers	Specimens	Joint type	Joint aspect ratio	\(f^{\prime}_c\) (MPa)	ρ_bb (%)	ρ_tb (%)	f_yb (MPa)	Axial load ratio (ALR)	V_Test (MPa)	V_Predicted (MPa)	\( \frac{{V_{\text{Predicted}} }}{{V_{\text{Test}} }} \)
Hakuto et al. (2000)	06	Exterior	1.1	31	0.66	1	308	0	3.75	3.23	0.86
Hakuto et al. (2000)	07	Exterior	1.1	31	0.66	1	308	0	4.05	3.23	0.80
Clyde et al. (2000)	SP 2	Exterior	0.89	46.2	2.45	2.45	454	0.10	6.26	6.31	1.01
	SP 6	Exterior	0.89	40.9	2.45	2.45	454	0.10	6.26	5.85	0.93
	SP 4	Exterior	0.89	37.0	2.45	2.45	454	0.25	7.07	6.20	0.88
	SP 5	Exterior	0.89	40.1	2.45	2.45	454	0.25	6.83	6.54	0.96
Pantelides et al. (2008)	SP 1	Exterior	1.00	33.0	1.90	1.90	459	0.10	5.39	4.65	0.86
	SP 2	Exterior	1.00	33.0	1.90	1.90	459	0.25	5.24	5.22	0.99
	SP 3	Exterior	1.00	34.0	1.90	1.90	459	0.10	5.08	4.74	0.93
	SP 4	Exterior	1.00	34.0	1.90	1.90	459	0.25	5.66	5.32	0.94
	SP 5	Exterior	1.00	31.6	1.90	1.90	459	0.10	5.46	4.53	0.83
	SP 6	Exterior	1.00	31.6	1.90	1.90	459	0.25	5.46	5.07	0.93
Wong (2005)	BS-L	Exterior	1.50	30.8	0.94	0.94	520	0.15	4.05	3.47	0.86
	BS-U	Exterior	1.50	30.9	0.94	0.94	520	0.15	4.06	3.47	0.86
	BS-LL	Exterior	1.50	42.1	0.94	0.94	520	0.15	5.39	4.22	0.78
	BS-L-LS	Exterior	1.50	31.6	0.94	0.94	520	0.15	5.06	3.52	0.70
	BS-V2T10	Exterior	1.50	32.6	0.94	0.94	520	0.15	3.19	3.59	1.13
	BS-V4T10	Exterior	1.50	28.3	0.94	0.94	520	0.15	4.76	3.29	0.69
	BS-L600	Exterior	2.00	36.4	0.68	0.68	520	0.15	3.38	3.26	0.97
Ghobarah and Said (2001)	T 1	Exterior	1.00	30.9	1.20	1.20	425	0.19	5.58	4.27	0.77
Ghobarah and Said (2001)	T 2	Exterior	1.00	30.9	1.20	1.20	425	0.10	5.63	3.97	0.70
Antonopoulos and Triantafillou (2003)	C1	Exterior	1.50	19.4	0.77	0.77	585	0.05	2.57	2.30	0.90
Antonopoulos and Triantafillou (2003)	C2	Exterior	1.50	23.7	0.77	0.77	585	0.05	2.95	2.57	0.87
Average = 0.88
Standard deviation = 0.10

Axial load ratio (ALR) \( = \frac{N}{{A_{g} f_{c} }};f^{\prime}_{c}\) concrete compressive strength; ρ_bb beam bottom reinforcement percentage; ρ_tb beam top reinforcement percentage; f_yb beam reinforcement yield strength; Aspect ratio \( = \frac{beam\,depth}{Column\,depth}; \) N column axial load; V_Test shear strength from experiment; V_Predicted shear strength predicted by proposed equation.

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