Safety Monitoring of Expressway Construction Based on Multisource Data Fusion

Table 4

Comparison between calculated and measured displacement values at different depths of monitoring points.

Measuring point	I1	I2	I3	I4	I5	I6	I7	I8	I9
Calculated value (mm)	0.31	1.08	1.55	2.16	2.71	3.11	3.45	3.83	4.35
Measured value (mm)	0.29	1.14	1.51	2.03	2.92	3.31	3.65	3.90	4.06
Relative error (%)	6.70	5.26	2.65	6.40	7.53	6.04	5.48	1.79	7.14