Prediction of Punching Capacity of Slab-Column Connections without Transverse Reinforcement Based on a Backpropagation Neural Network

Table 6

Calculated values of the punching capacity of slab-column connections.

Specimen number	The BPNN model		GB 50010-2010		ACI 318-14		EC 2-04
	(kN)		(kN)		(kN)		(kN)
S5-1	474.8092	1.08886	440.16	1.17457	396.0000	1.30556	435.7664	1.18642
S5-2	562.9783	1.08708	451.92	1.35422	405.3926	1.50965	505.8992	1.20973
S7-1	477.3357	1.1208	433.44	1.23431	390.4166	1.37033	432.0096	1.23840
S7-2	546.5992	1.0172	416.64	1.33449	376.5125	1.47671	481.0487	1.15581
C7-30-3	668.0036	1.03293	473.76	1.45643	430.1661	1.60403	572.6001	1.20503
C7-50-3	742.6983	1.08389	547.68	1.46984	505.2687	1.59321	636.9424	1.26385
C7-70-1	573.8016	1.06309	609.84	1.00026	598.995	1.01837	560.8018	1.08773
C7-70-2	733.3379	1.07045	616.56	1.27319	608.8621	1.28929	647.5931	1.21218
C7-70-3	791.9113	1.08598	619.92	1.38728	615.0124	1.39835	717.6964	1.19828
Mean		1.07225		1.29829		1.39617		1.19527
Error		7.03%		29.8%		39.6%		19.5%
Relative error		0		21.08%		30.21%		11.47%