An Automatic Measurement Method of Test Beam Response Based on Spliced Images

Table 7

The deflection results and deviations.

Load (kN)	Location	Deflection (mm)	Dial indicator (mm)	Absolute deviation (mm)	Relative deviation (%)	Average deviation (%)
50	1/4	−1.26	−1.15	0.11	9.57	8.49
	1/2	−1.54	−1.45	0.09	6.21
	3/4	−1.13	−1.03	0.10	9.71
100	1/4	−2.80	−2.70	0.10	3.70	5.14
	1/2	−3.31	−3.21	0.10	3.12
	3/4	−2.40	−2.21	0.19	8.60
150	1/4	−3.96	−3.76	0.20	5.32	4.79
	1/2	−4.80	−4.75	0.05	1.05
	3/4	−3.51	−3.25	0.26	8.00
200	1/4	−5.26	−5.18	0.08	1.54	3.76
	1/2	−6.33	−6.10	0.23	3.77
	3/4	−4.62	−4.36	0.26	5.96
225	1/4	−7.08	−6.99	0.09	1.29	2.88
	1/2	−8.00	−7.75	0.25	3.23
	3/4	−5.30	−5.09	0.21	4.13
250	1/4	−10.11	−10.00	0.11	1.10	1.96
	1/2	−12.26	−11.98	0.28	2.34
	3/4	−8.43	−8.23	0.20	2.43