Simplified Material Solution for Orthotropic Symmetrical GFRP Laminates for Structural Facades

Table 9

Maximum stresses of panels (MPa).

Panel	Simplified isotropic material	Positive-axis stresses of GFRP			Values of Tsai–Hill failure criterion of GFRP
	Elastic modulus: 13 GPa	S11	S22	S12
1	4.682	4.912	4.487	2.338	0.03459
2	8.993	9.484	7.852	2.379	0.03867
3	4.492	10.140	8.888	5.862	0.07233
4	7.695	9.560	10.020	3.100	0.05641
5	10.720	9.363	9.252	4.653	0.06730
6	14.360	17.280	16.690	4.554	0.08550
7	12.190	11.160	11.450	2.830	0.05136
8	26.530	19.350	17.110	8.140	0.11800
9	15.760	20.670	18.210	3.950	0.08183
10	17.270	21.780	17.540	4.013	0.08062
11	17.620	17.370	20.140	8.410	0.08820
12	15.770	13.750	14.540	5.510	0.07939
13	14.770	11.940	14.380	3.630	0.06390
14	16.850	16.010	15.450	4.890	0.07846
15	22.790	20.240	21.530	13.070	0.17645

where S11 is the stress in 1-axis, S22 is the stress in 2-axis, and S12 is the shear stress in 1-2.