A rolling shear analysis-based method for determining the apparent stiffness and bending capacity of CLT panel under out-of-plane load

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 2 Comparing the apparent stiffness obtained by prediction with that by testing

Specimens	Span-to-depth ratio	Test (kN·m²)	Effective stiffness (kN·m²)	Proposed method (kN·m²)	Differences (%)	Gamma (kN·m²)	Differences	Shear analogy (kN·m²)	Differences (%)
SPF-3/3000	28.57	3.865	3.130	3.100	− 19.79	2.674	− 30.82	2.755	− 28.72
SPF-5/3000	17.14	14.158	11.876	11.630	− 17.86	10.098	− 28.68	10.056	− 28.97
CLT-S/4825	27.57	15.781	11.663	11.496	− 18.29	10.751	− 30.87	11.049	− 29.99
CL3/105/2100	20.00	4.57	3.894	3.836	− 27.15	2.777	− 39.23	2.935	− 35.78
CL3/105/2940	28.00	4.75	3.894	3.852	− 15.71	3.212	− 32.38	3.329	− 29.92
CL5/145/2900	20.00	10.70	9.276	8.989	− 15.99	8.231	− 23.07	8.404	− 20.16
CL5/145/4020	27.72	9.73	9.276	9.067	− 6.81	8.691	− 10.68	8.810	− 9.64
B-3-20/1440	24.00	0.369	0.385	0.380	2.89	0.2996	− 18.81	0.3131	− 15.15
B-3-24/1296	18.00	0.664	0.709	0.697	4.95	0.4756	− 28.37	0.5060	− 23.80
B-3-40/2880	24.00	6.361	6.659	6.576	3.38	5.184	− 18.50	5.419	− 14.81
B-5-20/2400	24.0	3.139	3.115	3.064	− 2.39	2.805	− 10.64	2.890	− 7.90