Influence of the Force Arm on the Flexural Performance of Prestressed Glulam Beams

Table 4

Comparison of the calculation value and the test value of the flexural bearing capacity.

Group	fy (N/mm^2)	X (mm)	M (mm)	Z (mm)	M1 (kN·m)	Y (mm)	M2 (kN·m)	Bending moment of midspan (kN·m)		Error %
								Calculation	Test
SPF-1.1	350.00	57.00	10.41	90.00	11.87	60	0.228	12.10	11.30	6.62
SPF-1.2	400.00	57.63	11.71	130.00	14.43	60	0.228	14.66	12.06	17.73
SPF-1.3	450.00	58.25	13.02	170.00	17.31	60	0.228	17.54	13.24	24.51
SPF-2.2	400.00	57.63	11.71	130.00	14.43	80	0.304	14.74	12.58	14.63
SPF-3.2	400.00	57.63	11.71	130.00	14.43	100	0.380	14.81	13.04	11.96