Experimental Study on Slope Deformation Monitoring Based on a Combined Optical Fiber Transducer

Table 2

Error analysis of the measured and calculated displacement by formula (3) of optical fiber.

Error	Specimen
	1 : 4		1 : 5		1 : 6
	PVC	EPS	PVC	EPS	PVC	EPS
Maximum (%)	21.34	28.12	14.56	10.3	17.23	22.7
Minimum (%)	2.1	2.32	2.13	1.2	2.4	1.4
Average (%)	3.3	6.5	5.4	4.12	7.54	6.3
Mean square deviation	10.9	7.23	6.32	5.23	9.1	7.2