Experimental Torsional Capacity of Plain Concrete Beams Made from Crushed Clay Brick and Recycled Brick Concrete as Coarse Aggregate

Table 7

Comparison of available torsional model with experimental torque.

Concrete type	Experimental torque; (kN m)	Elastic theory (kN m)	Error (kN m)	Plastic theory (kN m)	Error (kN m)	Space truss (kN m)	Error (kN m)	TS 500 Turkish (kN m)	Error (kN m)	Skew bending (kN m)	Error (kN m)
NSAC18.9	2.731	2.612	−0.119	2.615	−0.116	1.307	−1.424	2.365	−0.366	2.778	0.047
NSAC20.7	2.893	2.731	−0.162	2.733	−0.16	1.367	−1.526	2.472	−0.421	2.904	0.011
NSAC22.4	3.062	2.847	−0.215	2.85	−0.212	1.425	−1.637	2.577	−0.485	3.028	−0.034
NSAC24.1	3.201	2.964	−0.237	2.966	−0.235	1.483	−1.718	2.682	−0.519	3.152	−0.049
RMSE			0.189		0.186		1.58		0.451		0.038
Ranking			3rd		2nd		5th		4th		1st
VBAC18.9	2.592	2.48	−0.112	2.483	−0.109	1.241	−1.351	2.245	−0.347	2.638	0.046
VBAC20.7	2.734	2.588	−0.146	2.59	−0.144	1.295	−1.439	2.342	−0.392	2.752	0.018
VBAC22.4	2.879	2.689	−0.19	2.692	−0.187	1.346	−1.533	2.434	−0.445	2.86	−0.019
VBAC24.1	3.024	2.786	−0.238	2.788	−0.236	1.394	−1.63	2.521	−0.503	2.963	−0.061
RMSE			0.178		0.176		1.492		0.426		0.040
Ranking			3rd		2nd		5th		4th		1st
RSAC18.9	2.554	2.468	−0.086	2.47	−0.084	1.235	−1.319	2.234	−0.32	2.625	0.071
RSAC20.7	2.685	2.575	−0.11	2.577	−0.108	1.289	−1.396	2.33	−0.355	2.738	0.053
RSAC22.4	2.831	2.673	−0.158	2.676	−0.155	1.338	−1.493	2.42	−0.411	2.843	0.012
RSAC24.1	2.967	2.769	−0.198	2.772	−0.195	1.386	−1.581	2.506	−0.461	2.945	−0.022
RMSE			0.145		0.142		1.451		0.390		0.046
Ranking			3rd		2nd		5th		4th		1st
RBAC18.9	2.482	2.451	−0.031	2.453	−0.029	1.227	−1.255	2.219	−0.263	2.607	0.125
RBAC20.7	2.594	2.557	−0.037	2.559	−0.035	1.28	−1.314	2.314	−0.28	2.719	0.125
RBAC22.4	2.716	2.655	−0.061	2.658	−0.058	1.329	−1.387	2.403	−0.313	2.824	0.108
RBAC24.1	2.793	2.748	−0.045	2.751	−0.042	1.376	−1.417	2.488	−0.305	2.923	0.13
RMSE			0.045		0.042		1.345		0.291		0.122
Ranking			2nd		1st		5th		4th		3rd