Research Article

Health Monitoring System with Hybrid Laser Sensor Networks and Cloud Computing for Subway Tunnels

Table 4

Loading displacement of each measuring point of the infrared laser rangefinder.

Loading methodTargetDisplacement (m)
XYZ

Loading point 1 50 NNo. 10.0030.000−0.003
No. 3−0.0030.000−0.003
No. 50.0020.000−0.001
No. 7−0.0030.001−0.002

Loading point 1 100 NNo. 10.0050.000−0.005
No. 3−0.0050.000−0.005
No. 50.0030.001−0.002
No. 7−0.0050.002−0.002

Loading point 2 50 NNo. 10.0010.000−0.001
No. 3−0.0070.000−0.007
No. 50.0010.0000.000
No. 7−0.0060.002−0.003

Loading point 2 100 NNo. 10.0020.000−0.002
No. 3−0.0110.000−0.011
No. 50.0020.001−0.001
No. 7−0.0100.003−0.005

Loading point 3 50 NNo. 10.0050.000−0.005
No. 3−0.0010.000−0.001
No. 50.0060.002−0.003
No. 70.0000.0000.000

Loading point 3 100 NNo. 10.0090.000−0.009
No. 3−0.0020.000−0.002
No. 50.0100.003−0.005
No. 7−0.0020.000−0.001