Table 2.

Statistic features of the experimental dataset.

Variable	Symbol	Type	Statistics
			Min	Max	Mean	Std	Skewness	Kurtosis
Beam height	$h$(mm)	Input	152	2100	564	291	2.076	5.407
Beam effective height	$d$(mm)	Input	137	2000	499	271	2.16	5.962
Beam width	$b_w$(mm)	Input	51	914	196	120	2.601	9.865
Shear span	$a$(mm)	Input	80	4375	637	465	2.629	9.976
Shear span-to-depth ratio	$a/d$	Input	0.27	2.502	1.304	0.541	0.349	− 0.499
Concrete strength	$f_c^{\prime }$(MPa)	Input	11.3	120.1	40.2	21.6	1.122	0.698
Bottom reinforcement ratio	${\rho }_l$	Input	0.003	0.113	0.02	0.011	1.704	7.3
Bottom reinforcement strength	$f_{\mathit{yl}}$(MPa)	Input	267	1330	470	131	2.828	13.993
Vertical web reinforcement ratio	${\rho }_v$	Input	0	0.029	0.003	0.004	2.493	9.767
Vertical web reinforcement strength	$f_{\mathit{yv}}$(MPa)	Input	0	1051	273	227	0.103	− 0.627
Horizontal web reinforcement ratio	${\rho }_h$	Input	0	0.032	0.002	0.003	3.553	17.956
Horizontal web reinforcement strength	$f_{\mathit{yh}}$(MPa)	Input	0	855	206	230	0.426	− 1.329
Top plate width	$w_{\mathit{tp}}$(mm)	Input	10	914	146	107	3.094	12.72
Bottom plate width	$w_{\mathit{bp}}$(mm)	Input	10	610	136	82	2.534	8.657
Shear strength index	$v_n=\frac{V_u}{b_{w}h{f}_c^{\prime }}$	Output	0.011	0.293	0.134	0.053	0.384	− 0.287